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july 2017 ? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 www.on semi.com FUSB302 programmable usb type - c controller w/pd FUSB302 programmable usb type - c controller w/pd features ? dual - role functionality with autonomous drp t oggle ? ability to connect as either a host or a device based on what has been attached. ? software configurable either as a dedicated host, dedicated device , or dual role . - dedicated devices can operate both on a type - c receptacle or a type - c plug with a fixed cc and vconn channel. ? full type - c 1. 1 support. integrates the following functionality of the cc pin - attach/ d etach detection as host - current capability indication as host - current capability detection as device - audio adapter accessory mode - debug accessory mode - active cable detection ? i ntegrates ccx to vconn switch with over - current limiting for powering usb3.1 full featured cables. ? usb power delivery (pd) 2.0 , version 1.1 support - automatic goodcrc p acket r esponse - automatic retries of sending a packet if a goodcrc is not received - automatic soft reset packet sent with retries if needed - automatic hard reset ordered set sent ? dead battery support ( snk mode support when no power appl ied) ? l ow power operation: i cc = 25 a (typical) ? package d in 9 - b all wlcsp ( 1. 215 mm x 1. 26 0 mm ) and 14 - lead mlp (2.5 mm x 2.5 mm, 0.5 mm pitch) description the FUSB302 targets system designers looking to implement a drp/ src/snk usb type - c connector with low amount of programmability . the FUSB302 enables the usb type - c detection including attach, and orientatio n . the FUSB302 integrates the physical layer of the usb bmc power delivery protocol to allow up to 100 w of power and role swap. the bmc pd block en ables full support for alternative interfaces of the type - c specification. applications ? smartphones ? tablets ? laptops ? notebooks ? power adapte rs ? cameras ? dongles figure 1. block diagram ordering information part number operating temperature range package packing method FUSB302ucx - 40 to 85c 9 - ball wafer - level chip scale package (wlcsp), 0.4 mm pitch tape and reel FUSB302mpx 14 - lead mlp 2.5 mm x 2.5 mm, 0.5 mm pitch
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 2 www.on semi.com FUSB302 programmable usb type - c controller w/pd typical application figure 2. typical application block diagram figure 3. functional block diagra m c c 1 / v c o n n 1 c c 2 / v c o n n 2 d u a l - r o l e d e t e c t i o n a u t o t o g g l e s w i t c h m a t r i x c c d e t e c t i o n / c o n t r o l p o w e r e d c a b l e a u t o a d a p t e r / d e b u g a c c d a c c o m p a r a t o r l o g i c & c o n t r o l c c l e v e l c o n t r o l u s b p d b m c i 2 c / r e g i s t e r s i n t _ n s d a s c l g n d u s b _ 3 . 1 1 u s b _ 3 . 1 2 g n d g n d r x 2 + t x 2 + r x 2 - t x 2 - v b u s r f u 1 c c 2 d - d + d + d - c c 1 r f u 2 v b u s t x 1 - r x 1 - t x 1 + r x 1 + f u s b 3 4 0 ( u s b 3 . 1 2 : 1 s w i t c h ) t y p e - c f u s b 3 0 2 b a t t e r y g n d v c o n n v d d v b u s p r o c e s s o r v 3 p 3 u s b p h y p m i c [ c h a r g e r + v c o n n b u c k ] c c a n d v c o n n s w i t c h b l o c k v 3 p 3 v b u s b m c p h y s i c a l l a y e r v c o n n c c 1 f i f o f i f o c o d e / c o n t r o l l o g i c b m c d r i v e r c d r i n t _ n s d a s c l p r o c e s s o r ( s o f t w a r e ) t y p e - c c o n n e c t i o n s t a t e s : - s o u r c e - s i n k - s i n k w i t h a c c e s s o r y s u p p o r t - d u a l - r o l e p o r t - d u a l - r o l e p o r t w i t h a c c e s s o r y s u p p o r t p d ( p r o v i d e r / c o n s u m e r ) c r c 3 2 t x c r c 3 2 r x 4 b 5 b 4 b 5 b d e v i c e p o l i c y m a n a g e r p o l i c y e n g i n e p r o t o c o l t y p e - c p d / v d m v b u s r d b m c b m c f u s b 3 0 2 i 2 c r e g s w i t c h s e t t i n g s c o m p . s t a t u s c o n t r o l s e t t i n g s p d s t a t u s p d c o n f i g u r a t i o n f i f o a c c e s s r d c c 2 d a c
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 3 www.on semi.com FUSB302 programmable usb type - c controller w/pd pin configuration figure 4. FUSB302ucx pin assignment (top through view) pin map column 1 column 2 column 3 row a cc2 vbus vdd row b vconn int_n scl row c cc1 gnd sda figure 5. FUSB302mpx pin assignment (n / c = no connect) c c 2 v b u s v d d v c o n n i n t _ n s c l c c 1 g n d s d a a b c 1 2 3 2 v b u s 1 c c 2 3 v d d 4 v d d 5 i n t _ n 6 s c l 7 s d a 8 g n d 9 g n d 1 0 c c 1 1 1 c c 1 1 2 v c o n n 1 3 v c o n n 1 4 c c 2 9 g n d 1 0 c c 1 8 g n d 7 s d a 6 s c l 5 i n t _ n 4 v d d 3 v d d 2 v b u s 1 c c 2 1 4 c c 2 1 3 v c o n n 1 2 v c o n n 1 1 c c 1 t o p t h r o u g h v i e w n / c n / c b o t t o m v i e w
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 4 www.on semi.com FUSB302 programmable usb type - c controller w/pd pin descriptions name type description usb type - c connector interface cc1/cc2 i/o type - c connector configuration channel (cc) pins. initially used to determine when an attach has occurred and what the orientation of the insertion is. functionality after attach depends on mode of operation detected. operating as a host: 1. sets the allowable charging current for vbus to be sensed by the attached device 2. used to communicate with devices using usb bmc power delivery 3. used to detect when a detach has occurred operating as a device: 1. indicates what the allowable sink current is from the attached host. - used to communicate with devices using usb bmc power delivery gnd ground ground vbus input vbus input pin for attach and detach detection when operating as an upstream faci ng port (device). expected to be an ovp protected input. power interface vdd power input supply voltage. vconn power switch regulated input to be switched to correct cc pin as vconn to power usb3.1 full - featured cables and other accessories signal interface scl input i 2 c serial clock signal to be connected to the phone - based i 2 c master. sda open - drain i/o i 2 c serial data signal to be connected to the phone - based i 2 c master int_n open - drain output active low open drain interrupt output used to prompt the processor to read the i 2 c register bits
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 5 www.on semi.com FUSB302 programmable usb type - c controller w/pd configuration channel switch the FUSB302 integrates the control and detection functionality required to implement a usb type - c host, device or dual - role port including: ? device p ort p ull - down (r d ) ? host p ort p ull - u p ( i p ) ? vconn power s witch with ocp for f ull - f eatured usb3.1 c ables ? usb bmc power delivery p hysical l ayer ? configuration cha nnel (cc) t hreshold c omparators. each cc pin contains a flexible switch matrix that allows the host software to control what type of type - c port is implemented. the switches are shown in figure 6 . figure 6. configuration channel switch functionality type - c detection the FUSB302 implements multiple comparators and a programmable dac that can be used by software to determine the state of the cc and vbus pin s . this status information provides the processor all of the information required to determine attach, detach and charging current configuration of the type - c port connection. the FUSB302 has three fixed threshold comparators that match the usb type - c specification for the three charging current levels that can be detected by a type - c device. these comparators automatically cause bc_lvl and comp interrupt s to occur when there is a change of state. in addition to the fixed threshold comparato rs, the host software can use the 6 - bit dac to determine the state of the cc lines more accurately. the FUSB302 also has a fixed comparator that monitors if vbus has reached a valid threshold or not. the dac can be used to measure vbus up to 20 v which a llows the software to confirm that changes to the vbus line have occurred as expected based on pd or other communication methods to change the charging level . detection through autonomous device toggle the FUSB302 has the capability to do autonomous drp toggle. in autonomous toggle the FUSB302 internally controls the pdwn1, pdwn2, pu_en1 and pu_en2, meas_cc1 and meas_cc2 and implements a fixed drp toggle between presenting as a src and presenting as a sn k . alternately, it can present as a src or snk only and poll cc1 and cc2 continuously. b m c i / o d a c / c o m p a r a t o r p w d n x r e g v c o n n _ c c x r e g c u r r e n t s o u r c e p u l l - u p s m e a s _ c c x r e g t x c c x r e g p u _ e n x r e g 5 . 1 k v c o n n _ s w i t c h v c o n n m e a s _ c c _ s w i t c h t x _ b m c _ s w i t c h p u l l u p _ s w i t c h p u l l d o w n _ s w i t c h c c x
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 6 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 1. pr ocessor configures the FUSB302 through i 2 c : i 2 c registers / bits value toggle 1 pwr 07h host_cur0 1 host_cur1 0 meas_vbus 0 vconn_cc1 0 vconn_cc2 0 mask register 0xfe maska register 0xbf maskb register (except i_togdone and i_bc_lvl interrupt) 0x01 pwr[3:0] 0x07 notes: 1. once it has been determined what the role is of the FUSB302, it returns i_togdone and togss1/2. 2. processor then can perform a final manual check through i2c. manual device toggle the FUSB302 has the capability to do manual drp toggle. in manual toggle the FUSB302 is configurable by the processor software by i2c and setting toggle = 0. manual device detection and configuration a type - c device must monitor vbus to determine if it is attached or detached. the FUSB302 provides this information through the vbusok interrupt. after the type - c device knows that a type - c host has been attached, it needs to determine what t ype of termination is applied to each cc pin. the software determines if an ra or rd termination is present based on the bc_lvl and comp interrupt and status bits. additionally, for rd terminations, the software can further determine what charging current is allowed by the type - c host by reading the bc_lvl status bits. this is summarized in table 2 . toggle functionality when toggle bit (control2 regis ter) is set the FUSB302 implements a fixed drp toggle between pre senting as a src and as a snk. it can also be configured to present as a src only or snk only and poll cc1 and cc2 continuously. this operation is turned on with toggle=1 and the processor sh ould initially write host_cur1=0, host_cur0=1 (for default current), vconn_cc1=v conn_cc2=0, mask register=0xfe, maska register=0xbf, and mask b register=0x01, and pwr=0x01. the processor should also read the interrupt register to clear them prior to setting the toggle bit. table 2. device interrupt summary status type interrupt status meaning bc_lvl[1:0] comp comp setting vbusok cc detection 2'b00 na na 1 vra 2'b01 na na 1 vrd - connect and vrd - usb 2'b10 na na 1 vrd - connect and vrd - 1.5 2'b11 0 6'b11_0100 (2. 226 v) 1 vrd - connect and vrd - 3.0 attach na na na 1 host attached, vbus valid detach na na na 0 host detached , vbus invalid
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 7 www.on semi.com FUSB302 programmable usb type - c controller w/pd the high level software flow diagram for a type - c device ( snk ) is shown in figure 7 . figure 7. snk software flow manual host detection and configuration when the FUSB302 is configured as a type - c host, the software can u se the status of the comparators and dac to determine when a type - c device has been attached or detached and what termination type has been attached to each cc pin . the FUSB302 allows the host software to change the charging current capabilities of the port through the host_cur control bits . if the host_cur bits are changed prior to attach, the FUSB302 automatically indicate s the programmed current capability when a device is attached . if the current capabilities are changed a fter a device is attached, the FUSB302 immediately change s the cc line to the programmed capability. figure 8. host_cur changed after attach figure 9. host_cur changed prior to attach the type - c specification outlines different attach and detach thresholds for a type - c host that are based on how much current is supplied to each cc pin. based on the programmed host_cur setting, the software adjusts the dac comparator threshold to match the type - c specification requirements. the bc_lvl comparators can also be used as part of the ra detection flow. this is summarized in table 3 . table 3. host interrupt summary termination host_cur[1:0] interrupt status attach/detach bc_lvl[1:0] comp comp setting ra 2'b01 2'b00 na na na 2'b10 2'b01 0 6'b00_10 01 (0.42 v) 2'b11 2'b10 0 6'b01_ 001 0 (0.8 v) rd 2'b01, 2'b10 na 0 6'b10_ 01 01 (1.6 v) attach na 1 6'b10_ 01 01 (1.6 v) detach 2'b11 na 0 6'b11_ 11 01 (2.6 v) attach na 1 6'b11_ 11 01 (2.6 v) detach d i s a b l e d : f u s b 3 0 2 i n l o w p o w e r m o d e l o o k i n g f o r a n a t t a c h u n a t t a c h e d . s n k : h o s t s o f t w a r e e n a b l e s f u s b 3 0 2 p u l l - d o w n s a n d m e a s u r e b l o c k t o d e t e c t a t t a c h f u s b 3 0 2 i _ t o g d o n e i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t s o m e t h i n g h a s a t t a c h e d . a t t a c h e d . s n k h o s t s o f t w a r e u s e s f u s b 3 0 2 c o m p a r a t o r s a n d d a c t o d e t e r m i n e a t t a c h o r i e n t a t i o n a n d p o r t t y p e a u d i o a c c e s s o r y d e b u g a c c e s s o r y f u s b 3 0 2 i _ v b u s o k i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a n a t t a c h h a s o c c u r r e d f u s b 3 0 2 i _ v b u s o k i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a d e t a c h h a s o c c u r r e d h o s t s o f t w a r e d e t e r m i n e s t h a t a n a c c e s s o r y h a s b e e n a t t a c h e d f u s b 3 0 2 i _ c o m p a n d i _ v b u s o k i n t e r r u p t s a l e r t h o s t s o f t w a r e t h a t a a c c e s s o r y d e t a c h h a s o c c u r r e d c c h o s t _ c u r [ 1 : 0 ] = d e f a u l t h i g h c u r r e n t s e t t i n g m e d c u r r e n t s e t t i n g 0 v a t t a c h c c h i g h c u r r e n t s e t t i n g m e d c u r r e n t s e t t i n g 0 v a t t a c h d e f a u l t c u r r e n t
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 8 www.on semi.com FUSB302 programmable usb type - c controller w/pd the high level software flow diagram for a type - c host ( src ) is shown below in figure 10 . figure 10. src software flow d i s a b l e d : f u s b 3 0 2 i n l o w p o w e r m o d e l o o k i n g f o r a n a t t a c h u n a t t a c h e d . s r c : h o s t s o f t w a r e e n a b l e s f u s b 3 0 2 p u l l - u p s a n d m e a s u r e b l o c k t o d e t e c t a t t a c h f u s b 3 0 2 i _ t o g d o n e i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t s o m e t h i n g h a s a t t a c h e d . a t t a c h e d . s r c h o s t s o f t w a r e c o n f i g u r e s f u s b 3 0 2 b a s e d o n i n s e r t i o n o r i e n t a t i o n a n d e n a b l e s v b u s a n d v c o n n a u d i o a c c e s s o r y d e b u g a c c e s s o r y h o s t s o f t w a r e u t i l i z e s i _ c o m p a n d i _ b c _ l v l i n t e r r u p t s t o d e t e r m i n e a n a t t a c h a n d w h a t t y p e o f p o r t i s a t t a c h e d . f u s b 3 0 2 i _ c o m p i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a d e t a c h h a s o c c u r r e d f u s b 3 0 2 i _ c o m p a n d i _ v b u s o k i n t e r r u p t s a l e r t h o s t s o f t w a r e t h a t a a c c e s s o r y d e t a c h h a s o c c u r r e d
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 9 www.on semi.com FUSB302 programmable usb type - c controller w/pd manual dual - role detection and configuration the type - c specification allows ports to be both a device and a host depending on what type of port has attached. this functionality is similar to usb otg ports with the current usb connectors and is called a dual - role port. the FUSB302 can be used to implement a dual - role port. a type - c dual role port toggles betwee n presenting as a ty pe - c device and a type - c host. the host software controls the toggle time and configuration of the FUSB302 in each state as shown in figure 11 . figure 11. drp software flow bmc power delivery the type - c connector allows usb power delivery (pd) to be com municated over the connected cc pin between two ports . the communication method is t he bmc power delivery protocol and is used for many different reasons w ith the type - c connector. possible uses are outlined below. ? negotiating and controlling charging power levels ? alternative interfaces such as mhl, display port ? vendor specific inter faces for use with custom docks or accessories ? role swap for dual - role ports that want to switch who is the host or device ? communication with usb3.1 full featured cables the FUSB302 integrates a thin bmc pd client which includes the bmc physical layer and packet fifos ( 48 bytes for transmit and 80 bytes for receive ) which allows packets to be sent and received by the host software through i2c accesses. the FUSB302 allows host software to imp lement all features of usb bmc pd through writes and reads of the fifo and control of the FUSB302 physical interface. the FUSB302 uses tokens to control the transmission of bmc pd packets . these tokens are written to the transm it fifo and control how the packe t is transmitted on the cc pin. the tokens are designed to be flexible and support all aspects of the usb pd specification . the FUSB302 additionally enables control of the bmc transmitter through token s. the transmitter can be enabled or disabled by specific token writes which allow faster packet processing by burst writing the fifo with all the information required to transmit a packet. the FUSB302 receiver stores the received data and the received crc in the receive fifo w hen a valid packet is received on the cc pin. the bmc receiver automatically enables the internal oscillator when activity is sensed on the cc pin and load the fifo when a packet is received. the i_activity and i_crc_chk interrupts alert the host software that a valid packet was received. d i s a b l e d : f u s b 3 0 2 i n l o w p o w e r m o d e l o o k i n g f o r a n a t t a c h u n a t t a c h e d . s n k : h o s t s o f t w a r e e n a b l e s f u s b 3 0 2 p u l l - d o w n s a n d m e a s u r e b l o c k t o d e t e c t a t t a c h f u s b 3 0 2 i _ t o g o n e i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t s o m e t h i n g h a s a t t a c h e d . a t t a c h e d . s n k h o s t s o f t w a r e u s e s f u s b 3 0 2 c o m p a r a t o r s a n d d a c t o d e t e r m i n e a t t a c h o r i e n t a t i o n a n d p o r t t y p e f u s b 3 0 2 i _ v b u s o k i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a n a t t a c h h a s o c c u r r e d f u s b 3 0 2 i _ v b u s o k i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a d e t a c h h a s o c c u r r e d h o s t s o f t w a r e e n a b l e s f u s b 3 0 2 l o w p o w e r d i s a b l e d s t a t e u n a t t a c h e d . s r c : h o s t s o f t w a r e e n a b l e s f u s b 3 0 2 p u l l - u p s a n d m e a s u r e b l o c k t o d e t e c t a t t a c h a t t a c h e d . s r c h o s t s o f t w a r e c o n f i g u r e s f u s b 3 0 2 b a s e d o n i n s e r t i o n o r i e n t a t i o n a n d e n a b l e s v b u s a n d v c o n n h o s t s o f t w a r e t o g g l e e x p i r e s h o s t s o f t w a r e u t i l i z e s i _ c o m p a n d i _ b c _ l v l i n t e r r u p t s t o d e t e r m i n e a n a t t a c h f u s b 3 0 2 i _ c o m p i n t e r r u p t a l e r t s h o s t s o f t w a r e t h a t a d e t a c h h a s o c c u r r e d
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 10 www.on semi.com FUSB302 programmable usb type - c controller w/pd figure 12. usb bmc power delivery blocks power level determination the type - c specification outlines the order of precedence for power level determination which covers power levels from basic usb2 .0 levels to the highest levels of usb pd. the host software is expected to follow the usb type - c specification for charging current priority based on feedback from the FUSB302 detection, external bc1.2 detection and any usb power delivery communication. t he FUSB302 does not integrate bc1.2 charger detection which is assumed available in the usb transceiver or usb charger in the system. power up, initialization and reset when power is first applied through vdd , the FUSB302 is rese t and registers are initialized to the default values shown in the register map . the FUSB302 can be reset through software by programming the sw_res bit in the reset register. if no power applied to vdd then the src can recognize the FUSB302 as a snk . pd autom atic receive goodcrc the power delivery packets require a goodcrc acknowledge packet to be sent for each received packet where the calculated crc is the correct value. this calculation is done by the FUSB302 and triggers the i_crc_chk interrupt if the crc is good. if the auto_crc (switches1 register bit) is set and auto_pre=0, then the FUSB302 will automatically send the goodcrc control packet in response to alleviate the local processor from responding quickly to the received packet. if goodcrc is required for anything beyond sop, then enable sop*. pd send the FUSB302 implements part of the pd protocol layer for sending packets in an autonomous fashion. pd automatic sending retries if goodcrc packet is not received and auto_retry is set, then a retry of the same message that was in the txfifo written by the processor i s executed within tretry and that is repeated for nretry times. pd send soft reset if the correct goodcrc packet is still not received for all retries then i_retryfail interrupt is triggered and if auto_soft_reset is set, then a soft reset packet is created (messageid is set to 0 and the processor upon servicing i_retryfail would set the true messageidcounter to 0 . if this soft reset is sent successfully where a goodcrc control packet is received with a messageid=0 then i_txsent interrupt occurs. if not, this soft reset packet i s retried nretries times (messageid is always 0 for all retries) if a goodcrc acknowledge packet is not received with crcreceivetimer expiring (treceive of 1.1 ms m ax). if all retries fail, then i_softfail interrupt is triggered. pd send hard reset if all retries of the soft reset packet fail and if auto_hard_reset is set, then a hard reset ordered set is sent by loading up the txfifo with reset1, reset1, reset1, reset2 and sending a hard reset. note only one hard reset is sent since the typical retry mech anism doesnt apply. the processors policy engine firmware is responsible for retrying the hard reset is it doesnt receive the required response. hard reset soft reset automatic sending retries pd packet sent f i f o f i f o c o d e / c o n t r o l l o g i c b m c d r i v e r c d r c r c 3 2 t x c r c 3 2 r x 4 b 5 b 4 b 5 b b m c b m c c c 1 c c 2
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 11 www.on semi.com FUSB302 programmable usb type - c controller w/pd i 2 c interface the FUSB302 includes a full i 2 c slave controller. the i 2 c slave fully complies with the i 2 c specification version 6 requirements. this block is designed for f ast m ode plus traffic up to 1 mhz scl operation. the toggle features allow for very low power operation with slow clocking thus may not be fully compli ant to the 1 mhz operation . examples of an i 2 c write and read sequence are shown in figure 13 and figure 14 respectively. figure 13. i 2 c write example figure 14. i 2 c read example s wr a a a a a a p note: single byte read is initiated by master with p immediately following first data byte 8bits 8bits 8bits write data k+2 slave address register address k write data write data k+1 write data k+n-1 s wr a a s rd a a a na p register address to read specified note: 8bits if register is not specified master will begin read from current register. in this case only sequence showing in red bracket is needed single or multi byte read executed from current register location (single byte read is initiated by master with na immediately following first data byte) read data k+1 read data k+n-1 8bits 8bits 8bits slave address register address k read data k slave address from master to slave s start condition na not acknowledge (sda high) rd read =1 from slave to master a acknowledge (sda low) wr write=0 p stop condition
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 12 www.on semi.com FUSB302 programmable usb type - c controller w/pd absolute maximum ratings stresses exceeding the absolute maximum ratings may damage the device. the device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. in addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit vv dd supply voltage from v dd - 0.5 6.0 v v cc_hddrp cc pins when configured as host, device or dual role port - 0.5 6.0 v v vbus vbus supply v oltage - 0.5 28 .0 v t storage storage temperature range - 65 +150 c t j maximum junction temperature +150 c t l lead temperature (soldering, 10 s econds) +260 c esd iec 61000 - 4 - 2 system esd connector pins (vbus, ccx) air gap 15 kv contact 8 human body model, ansi/esda/jedec js - 001 - 2012 all pins 4 kv charged device model, jedec jesd22 - c101 all pins 1 kv recommended operating conditions the recommended operating conditions table defines the conditions for actual device operation. recommended operating conditions are specified to ensur e optimal performance. on semiconductor does not recommend exceeding them or designing to absolute maximum rating s. symbol parameter min. typ. max. unit v vbus vbus s upply v oltage 4.0 5 .0 21 .0 v v v dd vdd supply voltage 2.8 ( 3 ) 3.3 5 .5 v v vc onn vconn supply voltage 2.7 5.5 v i vc onn vconn supply current 560 ma t a operating temperature - 40 +85 c note: 3. this is for functional operation only and not the lowest limit for all subsequent electrical specifications below. all electrical parameters have a minimum of 3.0 v operation.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 13 www.on semi.com FUSB302 programmable usb type - c controller w/pd dc and transient characteristics all typical values are at t a =25c unless otherwise specified. baseband pd symbol parameter t a = - 40 to +85c t j = - 40 to +125 c unit min. typ. max. ui unit interval 3.03 3.70 s transmitter routput tx output resistance 21 50 79 ? t enddrivebmc time to cease driving the line after the end of the last bit of the frame 23 s t holdlowbmc time to cease driving the line after the final high - to - low transition 1 s v oh logic high voltage 1.05 1.2 0 v v ol logic low voltage 0 75 m v t startdrive time before the start of the first bit of the preamble when the transmitter shall start driving the line - 1 1 s t rise_tx rise time 300 n s t fall_tx fall time 300 n s receiver creceiver receiver capacitance when driver isnt turned on 50 pf zbmcrx receiver input impedance 1 m ? vsdacstep bmc receiver sdac step size for each code in sdac[5:0] register 17 mv vsdachys bmc receiver sdac hysteresis for each code over the sdac range (sdac_hys=01) 85 mv trxfilter rx bandwidth l imiting filter ( 5 ) 100 n s ntransitioncount transitions count in time window of 12 s min. and 20 s m ax. ( 5 ) 3 e dges tactivity time from the last bmc edge ( 4 ) to when activity bit goes low in the status register ( 5 ) 5 9 s note s : 4. the last bmc edge includes edge when bmc bus is not driven and thus voltage is the result of pull up s /pull down s to if/when it trips the sdac receiver threshold to cause another bmc edge. 5. guaranteed by characterization. not production tested figure 15. transmitter test lo ad
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 14 www.on semi.com FUSB302 programmable usb type - c controller w/pd type - c cc switches symbol parameter t a = - 40 to +85c t j = - 40 to +125c unit min . typ . max . r sw_ccx r dson for sw1_cc1 and sw1_cc2 vconn to cc1 & cc2 0.4 1. 2 ? i sw_cc x over - current protection (ocp) limit at which vconn switch shuts off over the entire vconn voltage range. ocpreg=0fh. 600 800 1000 ma tsoftstart time taken for the vconn swit ch to turn on during which over - current protection is disabled 1.5 ms i 80_ccx src 80 a cc current (default) host_cur1=0, host_cur0=1 64 80 96 a i 180_ccx src 180 a cc c urrent (1.5 a) host_cur1=1, host_cur0=0 166 180 194 a i 330_ccx src 330 a cc c urrent (3 a) host_cur1=1, host_cur0=1 304 330 356 a v ufpdb snk p ull - down v oltage in d ead b attery under all p ull - up src l oads 2.18 v r device device p ull - down r esistance ( 6 ) 4.6 5.1 5.6 k? zopen cc resistance for disabled state 126 k? wake low wake t hreshold for cc pin src or snk low value. assumes bandgap and wake circuit turned on ie pwr[0]=1 0.25 v wake high wake threshold for cc pin src or snk high value. assumes bandgap and wake circuit turned on ie pwr[0]=1 1. 45 v v bc_lvlhys hysteresis on the ra and rd c omparators 20 mv vbc_lvl cc pin thresholds, assumes pwr=4h7 bc=2b00 0.15 0.20 0.25 v bc=2b01 0.61 0.66 0.70 v bc=2b10 1.16 1.23 1.31 v vmdacstep cc measure block mdac step size for each code in mdac[5:0] register 42 mv vmdacstepvbus measure block mdac step size for each code in mdac[5:0] register for vbus measurement 420 mv vvbusthr vbus threshold at which i_vbusok interrupt is triggered. assumes measure block on ie pwr[2]=1. 4.0 v ttog1 when toggle=1, time at which internal versions of pu_en1=pu_en2=0 and pwdn1=pdwn2=1 selected to present externally as a snk in the drp toggle 30 45 60 ms ttog2 when toggle=1, time at which internal versions of pu_en1=1 or pu_en2=1 and pwdn1=pdwn2=0 selected to present externally as a src in the drp toggle 20 30 40 ms tdis disable time after a full toggle (ttog1+ttog2) cycle so as to save power tog_save_pwr2:1= 00 0 m s tog_save_pwr2:1= 01 40 tog_save_pwr2:1= 10 80 tog_save_pwr2:1= 11 160 tshut temp. for vconn switch off 145 c thys temp. hysteresis for vconn switch turn on 10 c note: 6. r device min imum and max imum specifications are only guaranteed when power is applied.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 15 www.on semi.com FUSB302 programmable usb type - c controller w/pd current consumption symbol parameter v dd (v) conditions t a = - 40 to +85c t j = - 40 to +125c unit min. typ. max. idisable disabled c urrent 3.0 to 5 .5 nothing a ttached, n o i 2 c t ransactions 0.37 5 .00 a itog u nattached (standby) toggle current 3.0 to 5.5 nothing attached, toggle=1, pwr[3:0]= 1h , wake_en=0 , tog_save_pwr2:1=01 25 40 a ipd_stby _ meas bmc pd standby current 3.0 to 5.5 device attached, bmc pd active but not sending or receiving anything , pwr[3:0]=7h, 40 a usb pd specific parameters symbol parameter t a = - 40 to +85c t j = - 40 to +125c unit min . typ . max . thardreset if a soft reset message fails, a hard reset is sent after thardreset of crcreceivetimer expiring 5 ms t hardreset complete if the FUSB302 cannot send a hard reset within thardresetcomplete time because of a busy line, then a i_hardfail interrupt is triggered 5 ms treceive this is the value for which the crcreceivetimer expires. the crcreceivetimer is started upon t he last bit of the eop of the transmitted packet 0.9 1.1 ms tretry once the crcreceivetimer expires, a retry packet has to be sent out within tre try time. this time is hard to separate externally from treceive since they both happen sequentially with no visible difference in the cc output 75 s tsoftreset if a goodcrc packet is not received within treceive for nretries then a soft reset packet is sent within tsoftreset time. 5 ms ttransmit from receiving a packet, we have to send a goodcrc in response within ttransmit time. it is measured from the last bit of the eop of the received packet to the first bit sent of the preamble of the goodcrc packet 195 s
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 16 www.on semi.com FUSB302 programmable usb type - c controller w/pd io specifications symbol parameter v dd (v) conditions t a = - 40 to +85c t j = - 40 to +125c unit min. typ. max. host interface pins( int_n ) v ol intn output low voltage 3.0 to 5 .5 i ol = 4 ma 0.4 v t int_mask time from global interrupt mask bit cleared to when int_n goes low 3.0 to 5 .5 50 s i 2 c interface pins C standard , fast, or fast mode plus speed mode ( sda, scl ) ( 7 ) v il i2c low - level input voltage 3.0 to 5 .5 0.51 v v ih i2c high - level input voltage 3.0 to 5 .5 1.32 v v hys hysteresis of schmitt trigger inputs 3.0 to 5 .5 94 m v i i2c input current of sda and scl pins 3.0 to 5 .5 input voltage 0.26 v to 2 .0 v - 10 10 a i ccti 2c vdd current when sda or scl is high 3.0 to 5 .5 input voltage 1.8 v - 10 10 a v ol sda low - level output voltage (open - drain) 3.0 to 5.5 i ol = 2 ma 0 0.3 5 v i olsda low - level output current (open - drain) 3.0 to 5.5 v ol sda =0.4 v 20 ma c i capacitance for each i/o pin 3.0 to 5.5 5 pf note: 7. i 2 c pull up voltage is required to be between 1.71 v and v dd .
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 17 www.on semi.com FUSB302 programmable usb type - c controller w/pd i 2 c specifications fast mode plus i 2 c specification symbol parameter fast mode plus min. max. unit f scl i2c_scl clock frequency 0 1000 khz t hd;sta hold time (repeated) start condition 0. 2 6 s t low low period of i2c_scl clock 0.5 s t high high period of i2c_scl clock 0.26 s t su;sta set - up time for repeated start condition 0.26 s t hd;dat data hold time 0 s t su;dat data set - up time 50 ns t r rise time of i2c_sda and i2c_scl signals ( 8 ) 120 ns t f fall time of i2c_sda and i2c_scl signals ( 8 ) 6 120 ns t su;sto set - up time for stop condition 0.26 s t buf bus - free time between stop and start conditions ( 8 ) 0.5 s t sp pulse width of spikes that must be suppressed by the input filter 0 50 ns c b capacitive l oad for each b us l ine ( 8 ) 550 pf t vd - dat data v alid t ime for d ata from scl low to sda high or low o utput ( 8 ) 0 0.45 s t vd - ack data v alid t ime for acknowledge from scl low to sda high or low o utput ( 8 ) 0 0. 45 s v nl noise m argin at the low l evel ( 8 ) 0.2 v v nh noise m argin at the high l evel ( 8 ) 0.4 v note: 8. guaranteed by characterization. not production tested.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 18 www.on semi.com FUSB302 programmable usb type - c controller w/pd figure 16. definition of timing for full - spe ed m ode devices on the i 2 c bus table 4. i 2 c tm slave address name size (bits) bit 7 bit 6 bit 5 bit 4 bit 3 b it 2 bit 1 bit 0 slave address 8 0 1 0 0 0 1 0 r/w
? 2015 semiconductor components industries, llc. - FUSB302 ? rev. 2 19 www.on semi.com register definitions ( 9 )( 10 ) address register name type rst val bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 0x01 device id r 8 x version id[3:0] revision id[3:0] 0x02 switches0 r/w 03 pu_en2 pu_en1 vconn _cc2 vconn _cc1 meas_cc2 meas_cc1 pdwn2 pdwn1 0x03 switches1 r/w 20 powerrole specrev1 specrev0 datarole auto_crc txcc2 txcc1 0x04 measure r/w 31 meas_vbus mdac5 mdac4 mdac3 mdac2 mdac1 mdac0 0x05 slice r/w 60 sdac_hys1 sdac_hys2 sdac5 sdac4 sdac3 sdac2 sdac1 sdac0 0x06 control0 r/w/ c 24 tx_flush int_mask host_cur1 host_cur0 auto_pre tx_start 0x07 control1 r/w/ c 00 ensop2db ensop1db bist_mode2 rx_flush ensop2 ensop1 0x08 control2 r/w 0 2 tog_save_pw r2 tog_save_p wr1 tog_rd_only wake_en mode[1:0] toggle 0x09 control3 r/w 06 send_hard_r eset auto_hardr eset auto_softres et n_retries[1:0] auto_retry 0x0a mask 1 r/w 00 m_vbusok m_activity m_comp_chng m_crc_chk m_alert m_wake m_collision m_bc_lvl 0x0b power r/w 01 pwr3 pwr2 pwr1 pwr0 0x0c reset w/c 00 pd_reset sw_res 0x0d ocpreg r/w 0f ocp_range ocp_cur2 ocp_cur1 ocp_cur0 0x 0e mask a r/w 00 m_ocp_temp m_ togdone m_softfail m_retryfail m_hardsent m_txsent m_softrst m_hardrst 0x0f maskb r/w 00 m_gcrcsent 0x10 undocumented control4 r/w 00 tog_usrc_ex it 0x3 c status 0a r 00 softfail retryfail power3 power2 softrst hardrst 0x3 d status 1a r 00 togss3 togss2 togss1 rxsop2db rxsop1db rxsop 0x3e interrupta r/c 00 i_ocp_temp i_ togdone i_softfail i_retryfail i_hardsent i_txsent i_softrst i_hardrst 0x3f interruptb r/c 00 i_gcrcsent 0x40 status0 r 00 vbusok activity comp crc_chk alert wake bc_lvl1 bc_lvl0 0x41 status1 r 28 rxsop2 rxsop1 rx_empty rx_full tx_empty tx_full ovrtemp ocp 0x42 interrupt r/c 00 i_vbusok i_activity i_comp_chng i_crc_chk i_alert i_wake i_collision i_bc_lvl 0x43 fifos r/w ( 11 ) 00 write to tx fifo or read from rx fifo repeatedly without address auto increment type c b its usb pd b its general b its notes: 9. do not use registers that are blank . 10. values read from undefined register bits are not defined and invalid . do not write to undefined registers. 11. fifo register is serially read/written without auto address increment.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 20 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 5. device id address: 01 h reset value: 0x1000_ 00 xx type: read bit # name r/w/c size ( b its) description 7:4 version id r 4 device version id by trim or etc. a_[revision id]: 1000 (e.g. a_reva) b_[revision id]: 1001 c_[revision id] : 1010 etc 3:0 revision id r 4 revision history of each version [version id]_reva: 000 0 (e.g. a_reva) [version id]_revb: 0 0 01 [version id]_revc : 00 10 etc table 6. switches0 address: 02 h reset value: 0x0000_0011 type: read /write bit # name r/w/c size ( b its) description 7 pu_en2 r/w 1 1: apply host pull up current to cc2 pin. 6 pu_en1 r/w 1 1: apply host pull up current to cc1 pin. 5 vconn_cc2 r/w 1 1: turn on the vconn current to cc2 pin. 4 vconn_cc1 r/w 1 1: turn on the vconn current to cc1 pin. 3 meas_cc2 r/w 1 1: use the measure block to monitor or measure the voltage on cc2. 2 meas_cc1 r/w 1 1: use the measure block to monitor or measure the voltage on cc1. 1 pdwn2 r/w 1 1: device pull down on cc2 . 0: no pull down. 0 pdwn1 r/w 1 1: device pull down on cc 1 . 0: no pull down. table 7. switches1 address: 03 h reset value: 0x0010_0000 type: read/write bit # name r/w/c size ( b its) description 7 powerrole r/w 1 bit used for constructing the goodcrc acknowledge packet. this bit corresponds to the port power role bit in the message header if an sop packet is received 1: source if sop 0 : sink if sop 6:5 specrev1 : specrev0 r/w 2 bit used for constructing the goodcrc acknowledge packet. these bits correspond to the specification revision bits in the message header 00: revision 1.0 01: revision 2.0 10, 11: do n ot u se 4 datarole r/w 1 bit used for constructing the goodcrc acknowledge packet. this bit corresponds to the port data role bit in the message header . for sop: 1: src 0: snk 3 reserved n/a 1 do not use 2 auto_crc r/w 1 1: starts the transmitter automatically when a message with a good crc is received and automatically sends a goodcrc acknowledge packet back to the relevant sop* 0: feature disabled. 1 txcc2 r/w 1 1: enable bmc transmit driver on cc2 pin. 0 txcc1 r/w 1 1: enable bmc transmit driver on cc1 pin.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 21 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 8. measure address: 04 h reset value: 0x0011_0001 type: read/write bit # name r/w/c size ( b its) description 7 reserved n/a 1 do not use 6 meas_vbus r/w 1 0: m dac/comparator measurement is controlled by meas_cc* bits. 1: measure vbus with the mdac/comparator. this requires meas_cc* bits to be 0. 5:0 mdac[5:0] r/w 6 measure block dac data input. lsb is equivalent to 42 mv of voltage which is compared to the measured cc voltage. the measured cc is selected by meas_cc2, or meas_cc1 bits. mdac[5:0] meas_vbus=0 meas_vbus=1 unit 00_0000 0. 042 0. 42 0 v 00_0001 0.084 0.840 v 11_0000 2.058 20.58 v 11_0011 2. 184 21.84 v 11_1110 2. 646 26.46 v 11_1111 >2. 688 26.88 v table 9. slice address: 05 h reset value: 0x0110 _0000 type: read/write bit # name r/w/ c size ( b its) description 7:6 sdac_hys[1:0] r/w 2 adds hysteresis where there are now two thresholds, the lower threshold which is always the value programmed by sdac[5:0] and the higher threshold that is: 11 : 255 mv hysteresis: higher threshold = (sdac value + 20hex) 10 = 170 mv hysteresis: higher threshold = (sdac value + ahex ) 01 = 85 mv hysteresis: higher threshold = (sdac value + 5) 00 = no hysteresis: higher threshold = sdac value 5:0 sdac[5:0] r/w 6 bmc slicer dac data input. allows for a programmable threshold so as to meet the bmc receive mask under all noise conditions.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 22 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 10. control0 address: 06 h reset value: 0x0010_0100 type: (see column below) bit # name r/w/c size ( b its) description 7 reserved n/a 1 do not use 6 tx_flush w/c 1 1: self clearing bit to flush the content of the transmit fifo. 5 int_mask r/w 1 1: mask all interrupts. 0: interrupts to host are enabled. 4 reserved n/a 1 do not use 3:2 host_cur[1:0] r/w 2 1: controls the host pull up current enabled by pu_en[2:1]: 00: no current 01: 80 a C default usb power. 10: 180 a C C 0: feature disabled. 0 tx_start w/c 1 1: start transmitter using the data in the transmit fifo. preamble is started first. during the preamble period the transmit data can start to be written to the transmit fifo. self clearing. table 11. control1 address: 07 h reset value: 0x0000_0000 type: (see column below) bit # name r/w/c size ( b its) description 7 reserved n/a 1 do not use 6 ensop2db r/w 1 1: enable sop_debug (sop double prime debug) packets 0: i gnore sop _debug (sop double prime debug) packets 5 ensop1db r/w 1 1: enable sop_debug (sop prime debug) packets 0: i gnore sop _debug packets 4 bist_mode2 r/w 1 1: sent bist mode 0 1s pattern for testing 3 reserved n/a 1 do not use 2 rx_flush w/c 1 1: self clearing bit to flush the content of the receive fifo. 1 ensop2 r/w 1 1: enable sop(sop double prime) packets 0: i gnore sop (sop double prime) packets 0 ensop1 r/w 1 1: enable sop(sop prime) packets 0: i gnore sop packets
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 23 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 12. control2 address: 08 h reset value: 0x0000_ 0010 type: (see column below) bit # name r/w/c size ( b its) description 7: 6 tog_save_pwr2: tog_save_pwr1 n/a 2 00: dont go into the disable state after one cycle of toggle 01: wait between toggle cycles for t dis time of 40 ms 10: wait between toggle cycles for t dis time of 80 ms 11: wait between toggle cycles for t dis time of 160 ms 5 tog_rd_only r/w 1 1: when toggle=1 only rd values will cause the toggle state machine to stop toggling and trigger the i_toggle interrupt. 0: when toggle=1, rd and ra values will cause the toggle state machine to stop toggling. 4 reserved n/a 1 do not use 3 wake_en r/w 1 1: enable wake detection functionality if the power state is correct 0: disable wake detection functionality 2:1 mode r/w 2 11: enable src polling functionality if toggle=1 10: enable snk polling functionality if toggle=1 01: enable drp polling functionality if toggle=1 00: d o n ot u se 0 toggle r/w 1 1: enable drp, snk or src toggle autonomous functionality 0: disable drp, snk and src toggle functionality table 13. control3 address: 09 h reset value: 0x0000 _ 0110 type: (see column below) bit # name r/w/c size ( b its) description 7 reserved n/a 1 do not use 6 send_hard _ reset w/c 1 1: send a hard reset packet (highest priority) 0: dont send a soft reset packet 0: disable automatic hard reset packet if soft reset fail 3 auto_softreset r/w 1 1: enable automatic soft reset packet if retries fail 0: disable automatic soft reset packet if retries fail 2:1 n_retries[1:0] r/w 2 11: three retries of packet (four total packets sent) 10: two retries of packet ( three total packets sent) 01: one retry of packet (two total packets sent) 00: no retries (similar to disabling auto retry) 0 auto_retry r/w 1 1: enable automatic packet retries if goodcrc is not received 0: disable automatic packet retries if goodcrc not received
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 24 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 14. mask address: 0a h reset value: 0x0000_0000 type: read/write bit # name r/w/c size ( b its) description 7 m_vbusok r/w 1 1: mask i_vbusok interrupt bit. 0: do not mask. 6 m_activity r/w 1 1: mask interrupt for a transition in cc bus activity. 0: do not mask. 5 m _comp_chng r/w 1 1: mask i_comp_chng interrupt for change is the value of comp, the measure comparator. 0: do not mask. 4 m_crc_chk r/w 1 1: mask interrupt from crc_chk bit. 0: do not mask. 3 m_alert r/w 1 1: mask the i_alert interrupt bit. 0: do not mask. 2 m_wake r/w 1 1: mask the i_wake interrupt bit. 0: do not mask. 1 m_collision r/w 1 1: mask the i_collision interrupt bit. 0: do not mask. 0 m_bc_lvl r/w 1 1: mask a change in host requested current level. 0: do not mask. table 15. power address: 0b h reset value: 0x0000_0001 type: read/write bit # name r/w/c size ( b its) description 7: 4 reserved n/a 4 do not use 3:0 pwr[3:0] r/w 4 power enables: pwr[0]: bandgap and wake circuit. pwr[1]: receiver powered and current references for measure block pwr[2]: measure block powered. pwr[3]: enable internal oscillator. table 16. reset address: 0c h reset value: 0x0000_0000 type: write/clear bit # name r/w/c size ( b its) description 7:2 reserved n/a 6 do not use 1 pd_reset w/c 1 1: reset just the pd logic for both the pd transmitter and receiver. 0 sw_res w/c 1 1: reset the FUSB302 including the i2c registers to their default values.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 25 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 17. ocpreg address: 0d h reset value: 0x0000_1111 type: read/write bit # name r/w/c size ( b its) description 7:4 reserved n/a 4 do not use 3 ocp_range r /w 1 1: ocp range between 100 ma - 800 ma (max_range=800 ma) 0: ocp range between 10 ma - 80 ma (max_range=80 ma) 2:0 ocp_cur2, ocp_cur1, ocp_cur0 r/w 3 111: max_range (see bit definition above for ocp_range) 110: 7*max_range/8 101: 6*max_range/8 100: 5*max_range/8 011: 4*max_range/8 010: 3*max_range/8 001: 2*max_range/8 000: max_range/8 table 18. mask a address: 0eh reset value: 0x0000_0000 type: read/write bit # name r/w/ c size ( b its) description 7 m_ocp_temp r /w 1 1: mask the i_ocp_temp interrupt 6 m_togdone r /w 1 1: mask the i_togdone interrupt 5 m_softfail r/w 1 1: mask the i_softfail interrupt 4 m_retryfail r/w 1 1: mask the i_retryfail interrupt 3 m_hardsent r/w 1 1: mask the i_hardsent interrupt 2 m_txsent r/w 1 1: mask the i_txsent interrupt 1 m_softrst r/w 1 1: mask the i_softrst interrupt 0 m_hardrst r/w 1 1: mask the i_hardrst interrupt table 19. maskb address: 0f h reset value: 0x0000_0000 type: read/write bit # name r/w/c size ( b its) description 7:1 reserved n/a 6 do not use 0 m_gcrcsent r/w 1 1: mask the i_gcrcsent interrupt table 20. control4 address: 10 h reset value: 0x0000_0000 type: read/write bit # name r/w/c size ( b its) description 7:1 reserved n/a 6 do not use 0 tog_usrc_exit r/w 1 1: in toggle mode, stop toggling and exit to stop_aud if both cc1 and cc2 are detected in the ra voltage range when in unattached.dfp state.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 26 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 21. status0a address: 3c h reset value: 0x0000_0000 type: read bit # name r/w/c size ( b its) description 7 :6 reserved n/a 2 do not use 5 softfail r 1 1: all soft reset packets with retries have failed to get a goodcrc acknowledge . this status is cleared when a start_tx, txon or send_hard_reset is executed. 4 retryfail r 1 1: all packet retries have failed to get a goodcrc acknowledge . this status is cleared when a start_tx, txon or send_hard_reset is executed. 3:2 power3:power2 r 2 internal power state when logic internals ne eds to control the power state. power3 corresponds to pwr3 bit and p ower2 corresponds to pwr2 bit. the power state is the higher of both pwr[3:0] and {power3, power2, pwr[1:0]} so that if one is 03 and the other is f then the internal power state is f. 1 softrst r 1 1: one of the packets received was a soft reset packet 0 hardrst r 1 1: hard reset pd ordered set has been received table 22. status1a address: 3 d h reset value: 0x0000_0000 type: read bit # name r/w/c size ( b its) description 7: 6 reserved n/a 2 do not use 5 :3 togss3: togss2: togss1 r 3 0 00: toggle logic running (processor has previously written toggle=1) 0 01: toggle functionality has settled to src on cc1 (stop_ src1 state) 0 10: toggle functionality has settled to src on cc2 (stop_ src2 state) 101: toggle functionality has settled to snkon cc1 (stop_snk1 state) 110: toggle functionality has settled to snkon cc2 (stop_snk2 state) 111: toggle functionality has detected audioaccessory with vra on both cc1 and cc2 (settles to stop_src1 state) otherwise: not defined (do not interpret) 2 rxsop2db r 1 1: indicates the last packet placed in the rxfifo is type sop_debug (sop double prime debug). sop_debug (sop prime debug).
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 27 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 23. interrupta address: 3e h reset value: 0x0000_0000 type: read/clear bit # name r/w/c size ( b its) description 7 i_ocp_temp r /c 1 1: interrupt from either a ocp event on one of the vconn switches or an over - temperature event 6 i_togdone r /c 1 1: interrupt indicating the toggle functionality was terminated because a device was detected. 5 i_softfail r /c 1 1: interrupt from automatic soft reset packets with retries have failed 4 i_retryfail r /c 1 1: interrupt from automatic packet retries have failed 3 i_hardsent r /c 1 1: interrupt from successfully sending a hard reset ordered set 2 i_txsent r /c 1 1: interrupt to alert that we sent a packet that was acknowledged with a goodcrc response packet 1 i_softrst r /c 1 1: received a soft reset packet 0 i_hardrst r /c 1 1: received a hard reset ordered set table 24. interruptb address: 3f h reset value: 0x0000_0000 type: read/clear bit # name r/w/c size ( b its) description 7 reserved n/a 6 do not use 0 i_gcrcsent r /c 1 1: sent a goodcrc acknowledge packet in response to an incoming packet that has the correct crc value.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 28 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 25. status0 address: 40 h reset value: 0x0000_0000 type: read bit # name r/w/c size ( b its) description 7 vbus ok r 1 1: interrupt occurs when vbus transitions through vvbusthr . this bit typically is used to recognize port partner during startup. 6 activity r 1 1: transitions are detected on the active cc* line. this bit goes high after a minimum of 3 cc transitions, and remains high for t activity after last transition on cc. 0: inactive. 5 comp r 1 1: measured cc* input is higher than reference level driven from the mdac. 0: measured cc* input is lower than reference level driven from the mdac. 4 crc_chk r 1 1: indicates the last received packet had the correct crc. this bit remains set until the sop of the next packet. 0: packet received for an enabled sop* and crc for the enabled packet received was incorrect 3 alert r 1 1: alert software an error condition has occurred. an alert is caused by: tx_full: the transmit fifo is full. rx_full: th e receive fifo is full. see status1 bits 2 wake r 1 1: voltage on cc indicated a device attempting to attach. 0: wake either not enabled (wake_en=0) or no device attached. 1:0 bc_lvl[1:0] r 2 current voltage status of the measured cc pin interpreted as host current levels as follows: 00: < 200 mv 01: > 200 mv, <660 mv 10: >660 mv, <1.23 v 11:>1.23 v note the software must measure these at an appropriate time, while there is no signaling activity on the selected cc line. bc_lvl is only defined when measur e block is on which is when register bits pwr[2]=1 and either meas_cc1=1 or meas_cc2=1 table 26. status1 address: 41 h reset value: 0x0010_1000 type: read bit # name r/w/c size ( b its) description 7 rxsop2 r 1 1: indicates the last packet placed in the rxfifo is type sop is type sop conn switch.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 29 www.on semi.com FUSB302 programmable usb type - c controller w/pd table 27. interrupt address: 42 h reset value: 0x0000_0000 type: read/clear bit # name r/w/c size ( b its) description 7 i_vbusok r/c 1 1: interrupt occurs when vbus transitions through 4.5 v. this bit typically is used to recognize port partner during startup. 6 i_activity r/c 1 1: a change in the value of activity of the cc bus has occurred. 5 i _comp_chng r/c 1 1: a change in the value of comp has occurred. indicates selected cc line has tripped a threshold programmed into the mdac. 4 i_crc_chk r/c 1 1: the value of crc_chk newly valid. i.e. the validity of the incoming packet has been checked. 3 i_alert r/c 1 1: alert software an error condition has occurred. an alert is caused by: tx_full: the transmit fifo is full. rx_full: the receive fifo is full. see status1 bits. 2 i_wake r/c 1 1: voltage on cc indicated a device attempting to attach. software must then power up the clock and receiver blocks. 1 i_collision r/c 1 1: when a transmit was attempted, activity was detected on the active cc line. transmit is not done. the packet is received normally. 0 i_bc_lvl r/c 1 1: a change in host requested current level has occurred. table 28. fifos address: 43 h reset value: 0x0000_0000 type: (see column below) bit # name r/w/c size ( b its) description 7:0 tx/rx token read or write 8 writing to this register writes a byte into the transmit fifo. reading from this register reads from the receive fifo. each byte is a coded token. or a token followed by a fix ed number of packed data byte ( s ee token coding in table 29 ) .
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 30 www.on semi.com FUSB302 programmable usb type - c controller w/pd software model port software interacts with the port chip in two primary ways: ? i 2 c registers ? 8 bit data tokens sent to or received from the fifo register . ? all reserved bits written in the txfifo should be 0 and all reserved bit read from the rxfifo should be ignored . transmit data tokens transmit data tokens provide in - sequence transmit control and data for the t ransmit logic. note that the token codes, and their equivalent usb pd k - code are not the same. tokens are read one at a time when they reach the end of the tx fifo. i.e., the specified token action is performed before the next token is read from the tx fif o. the tokens are defined as follows: table 29. tokens used in fifo code name size (bytes) description 101x - xxx1 (0xa1) txon 1 alternative method for starting the transmitter with the tx - start bit. this is not a token written to the txfifo but a command much like tx_start but it is more convenient to write it while writing to the txfifo in one contiguous write operation. it is preferred that the txfifo is first written with data and then txon or tx_start is executed. it is expected that a1h will be written for txon not any other bits where x is non - zero such as b1h, bfh, etc 0x12 sop1 1 when reaching the end of the fifo causes a sync - 1 symbol to be transmitted. 0x13 sop2 1 when reaching the end of the fifo causes a sync - 2 symbol to be transmitted. 0x1b sop3 1 when reaching the end of the fifo causes a sync - 3 symbol to be transmitted. 0x15 reset1 1 when reaching the end of the fifo causes a rst - 1 symbol to be transmitted. 0x16 reset2 1 when reaching the end of the fifo causes a rst - 2 symbol to be transmitted. 0x80 packsym 1+n this data token must be immediately followed by a sequence of n packed data bytes. this token is defined by the 3 msbs being set to 3b100. the 5 lsbs are the number of packed bytes being sent. note: n cannot be less than 2 since the minimum control packet has a header that is 2 bytes and n cannot be greater than 30 since the maximum data packet has 30 bytes (2 byte header + 7 data objects each having 4 bytes) packed data byte s have two 4 bit data fields. the 4 lsbs are sent first, after 4b5b conversion etc in the chip. 0xff jam_crc 1 causes the crc, calculated by the hardware, to be inserted into the transmit stream when this token reaches the end of the tx fifo. 0x14 eop 1 causes an eop symbol to be sent when this token reaches the end of the tx fifo. 0xfe txoff 1 turn off the transmit driver. typically the next symbol after eop.
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 31 www.on semi.com FUSB302 programmable usb type - c controller w/pd receive data tokens receive data tokens provide in - sequence receive control and data for t he receive logic. the rxfifo can absorb as many packets as the number of bytes in the rxfifo (80 bytes). the tokens are defined as follows: table 30. tokens used in rxfifo code (in binary) name size ( bytes ) description 111b_bbb b sop 1 first byte of a received packet to indicate that the packet is an sop packet (b is undefined and can be any bit) 110b_bbb b sop1 1 first byte of a received packet to indicate that the packet is an sop packet and occurs only if ensop1=1 (b is undefined and can be any bit) 101b_bbb b sop2 1 first byte of a received packet to indicate that the packet is an sop packet and occurs only if ensop2=1 (b is undefined and can be any bit) 100b_bbb b sop1db 1 first byte of a received packet to indicate that the packet is an sop _debug packet and occurs only if ensop1db=1 (b is undefined and can be any bit) 011b_bbb b sop2db 1 first byte of a received packet to indicate that the packet is an sop _debug packet and occurs only if ensop2db=1 (b is undefined and can be any bit) 010b_bb b b / 001b_bb b b / 000b_bb b b do not use 1 these can be used in future versions of this device and should not be relied on to be any special value. (b is undefined and can be any bit)
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 32 www.on semi.com FUSB302 programmable usb type - c controller w/pd reference schematic figure 17. fusb300/302 reference schematic diagram table 31. recommended component values for reference schematic symbol parameter recommended value unit min . typ. max . c recv cc x receiver capacitance 200 600 pf c bulk vconn source bulk capacitance 10 220 f c vconn vconn decoupling capacitance 0.1 f c vdd1 v dd decoupling capacitance 0.1 f c vdd2 v dd decoupling capacitance 1.0 f r pu i2c pull - up resistors 4.7 k? r pu_int int_n p ull - up resistor 1 .0 4.7 k? v pu i2c pull - up voltage 1.71 vdd v the table below is in reference to the wlcsp dimensions on the following page. product - specific dimensions product d e x y FUSB302 ucx 1. 215 mm 1. 260 mm 0. 2 30 mm 0. 2 075 mm
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 33 www.on semi.com FUSB302 programmable usb type - c controller w/pd physical dimensions figure 18. 9 - lead, wafer - level chip - scale package (wlcsp) notes a. no jedec registration applies. b. dimensions are in millimeters. c. dimensions and tolerance per asme y14.5m, 2009. d. datum c is defined by the spherical crowns of the balls. e. for dimensions d,e,x, and y see product datasheet. f. drawing filname: mkt-uc009ak rev2 bottom view side views top view recommended land pattern ball a1 index area 1 2 a b c seating plane 9x 0.005 c a b e (nsmd pad type) ?0.2600.02 0.40 0.40 (x) 0.018 (y) 0.018 0.06 c 0.05 c d e 0.03 c 2x 0.03 c 2x e d b c a 3 0.3780.018 0.2030.020 a1 (?0.215) cu pad (bottom) (?0.315) solder mask 0.40 0.40 0.5810.038
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 34 www.on semi.com FUSB302 programmable usb type - c controller w/pd physical dimensions figure 19. 14 - lead mlp, 2.5 mm x 2.5 mm, 0.5 mm pin pitch a b notes: a. no jedec registration. b. dimensions are in millimeters. c. dimensions and tolerances per asme y14.5m, 2009. d. land pattern recommendation is existing industry land pattern. e. drawing filename: mkt-mlp14drev3 bottom view 0.10 c a b 0.05 c top view recommended land pattern 0.08 c seating plane 0.10 c 0.0250.025 1 4 7 3 8 10 11 14 0.750.05 pin #1 ident 2.50 2.50 2.43 1.45 1.45 2.43 0.50 typ 0.30 typ (0.58) 0.05 c 2x 0.05 c 2x 0.150.05 c front view 2.500.05 1.450.05 1.450.05 0.50 0.50 0.240.06(14x) 0.30(14x) pin #1 ident
? 20 15 semiconductor components industries, llc. www.fairchildsemi.com FUSB302 ? rev. 2 35 www.on semi.com FUSB302 programmable usb type - c controller w/pd on semiconductor and the on semiconductor logo are trademarks of semiconductor components industries, llc dba on semiconductor or its subsidiaries in the united states and/or other countries. on semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a listing of on semiconductors product/pate nt coverage may be accessed at www.onsemi.com/site/pdf/patent - marking.pdf. on semiconductor reserves the right to make changes without further notice to any products herein. on semiconductor makes no warranty, representation o r guarantee regarding the suit ability of its products for any particular purpose, nor does on semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, cons equential or incidental damages. buyer is responsible for its products and applications using on semiconductor products, including compliance with all laws, regulations and safety requirements or stan dards, regardless of any support or applications informa tion provided by on semiconductor. typical parameters which may be provided in on semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including t ypicals must be validated for each customer application by customers technical experts. on semiconductor does not convey any license under its patent rights nor the rights of others. on semiconductor prod ucts are not designed, intended, or authorized for use as a critical component in life support systems or any fda class 3 medical devices or medical devices with a same or simi lar classification in a foreign jurisdiction or any devices intended for implantation in the human body. should buyer purchase or use on semiconductor products for any such unintended or unauthorized application, buyer shall indemnify and hold on semiconductor and its officers, employees, subsidiaries, affil iates, and distributors harmless against all claims, costs, damages, and expe nses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated w ith such unintended or unauthorized use, even if such claim alleges that on semiconductor was negligent regarding the design or m an ufacture of the part. on semiconductor is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright law s and is not for resale in any manner. publication ordering information literature fulfillment: literature distribution center for on semiconductor 19521 e. 32nd pkwy, aurora, colorado 80011 usa phone : 303 - 675 - 2175 or 800 - 344 - 3860 toll free usa/canada fax: 303 - 675 - 2176 or 800 - 344 - 3867 toll free usa/canada email : orderlit@onsemi.com n. american t echnical support : 800 - 282 - 9855 toll free usa/canada. europe, middle east and africa technical support : phone: 421 33 790 2910 japan customer focus center phone: 81 - 3 - 5817 - 1050 on semiconductor website : www.onsemi.com order literature : http://www.onsem i.com/orderlit for additional information, please contact your local sales representative

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