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PL-2521 hi-speed usb cellular mate and flash disk controller product datasheet document revision: 1.0 document release: january, 2004 prolific technology inc. 7f, no. 48, sec. 3, nan kang rd. nan kang, taipei 115, taiwan, r.o.c. tel: 886-2-2654-6363 / fax: 886-2-2654-6161 email: sales@prolific.com.tw url: http://www.prolific.com.tw tech: http://tech.prolific.com.tw
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 2 - document version 1.0 revision history revision description date 1.0 formal release january 2004 0.8 initial release ? PL-2521 hi-speed usb 2.0 cellular mate controller ic datasheet october 2003
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 3 - document version 1.0 table of contents 1.0 features ......................................................................................................... 5 2.0 overview ......................................................................................................... 6 2.1 chip configuration ...................................................................................................7 3.0 pin assignment and description............................................................. 8 3.1 pin assignment and description of PL-2521 lqfp64 ..............................................8 4.0 usb port descriptor ............................................................................... 11 4.1 usb descriptor of embedded hub......................................................................... 11 4.1.1 d evice d escriptor of e mbedded h ub ......................................................................... 11 4.1.2 c onfiguration d escriptor of e mbedded h ub ............................................................12 4.1.3 i nterface d escriptor of e mbedded h ub ....................................................................12 4.1.4 i nterrupt e ndpoint d escriptor (e ndpoint 1) .........................................................12 4.1.5 h ub d escriptor of e mbedded h ub ...........................................................................13 4.2 usb descriptor of auxiliary mass storage device.................................................. 13 4.2.1 d evice d escriptor of a uxiliary m ass s torage d evice .............................................13 4.2.2 c onfiguration d escriptor of a uxiliary m ass s torage d evice ...............................14 4.2.3 i nterface d escriptor of a uxiliary m ass s torage d evice ........................................14 4.2.4 b ulk o ut e ndpoint d escriptor (e ndpoint 1)...........................................................15 4.2.5 b ulk i n e ndpoint d escriptor (e ndpoint 2) ..............................................................15 4.3 usb descriptor of security device......................................................................... 15 4.3.1 d evice d escriptor of s ecurity d evice ......................................................................16 4.3.2 c onfiguration d escriptor of s ecurity d evice .........................................................16 4.3.3 i nterface d escriptor of s ecurity d evice .................................................................17 4.4 usb descriptor of primary mass storage device................................................... 17 4.4.1 d evice d escriptor of p rimary m ass s torage d evice ...............................................17 4.4.2 c onfiguration d escriptor of p rimary m ass s torage d evice .................................18 4.4.3 i nterface d escriptor of p rimary m ass s torage d evice .........................................18 4.4.4 b ulk o ut e ndpoint d escriptor (e ndpoint 1)...........................................................19 4.4.5 b ulk i n e ndpoint d escriptor (e ndpoint 2) ..............................................................19
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 4 - document version 1.0 5.0 dc characteristics ................................................................................... 20 5.1 absolute maximum ratings ................................................................................... 20 5.2 recommended operation conditions .................................................................... 20 5.3 general dc characteristics ................................................................................... 20 5.4 dc electrical characteristics for 3.3 v operation................................................... 21 6.0 outline diagram......................................................................................... 22 6.1 lqfp64pin outline diagram: ................................................................................. 22
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 5 - document version 1.0 1.0 features on-chip 3.3v to 2.5v regulator for internal circuit supports up to four state-of-the-art nand flash memories capable of downloading and uploading data from/to a cellular phone: store data on the nand flash memories with file format compatible with most of the current operating systems. embedded file system so os can easily access the stored files via the usb interface. data includes phone book, short massage, and others. embedded usb hub function with mass storage and security devices attached: built-in usb 2.0 phy full compliance with the universal serial bus specification v2.0 features of the mass storage include: usb mass storage class compatible ? no driver installation needed for the flash disk in linux, mac os, windows me, 2000, xp and above. (windows 98 requires additional driver installation and is provided separately) high performance read/write can reach over 5mbyte/s and 3mbyte/s respectively. features of the security device: protects the privacy of the data (customizable) flash/security user utility program advanced power management mechanism package type: lqfp64pin figure 1-1 block diagram of PL-2521 3.3v power phase lock loop 3.3v?2.5 v regulator power management usb 2.0 phy usb parallel interface usb controller pl2521 kernel controller flash controller nand flash nand flash serial port cellular phone 2.5v output usb host 12m crystal
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 6 - document version 1.0 2.0 overview the PL-2521 hi-speed usb cellular mate and flash disk controller is a highly integrated ic that works both as an easy-to-use cellular phone data exchange and portable usb 2.0 flash disk device. in order to achieve these functions, the PL-2521 allows you to interface up to four nand flash memories for storing the data. this is the best data managing solution for cellular phones without complicated operation. the cellular mate function allows users to easily download/upload phone book addresses and short messages between the cellular phone and PL-2521 through the use of only two push buttons. the phone data is stored on the nand flash memories via an embedded file system with the file format compatible to most of the os in the market. this means that end-users can also access and manage the stored files in their pc via the usb interface. the flash disk function allows the on-board nand flash memories to be used as a normal single disk or partitioned into a standard (open) mass storage device and a secured mass storage device. the sizes of the partitions can be easily configured and adjusted using the usb disk utility program where users can also set a password to lock the secured partition disk. in order to access the secured disk, users must need to enter the correct password using the utility program. customers can preload the software driver and application program, or any other software utilities into the standard storage disk to save the extra disk cost and to enhance user convenience. for true plug and play feature, the mass storage device is implemented according to the usb mass storage device class where the standard driver is alr eady built-in within most of the current os like linux, mac os, windows me/2000/xp and above. windows 98 requires a separate driver installation and is provided by prolific. the PL-2521 also provides options and software tools to customize the chip in showing the vendor and product identity. customers can modify the vendor id, product id, language id, manufacturer string, and product string of the final product.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 7 - document version 1.0 2.1 chip configuration the PL-2521 supports one embedded generic hub, one or two usb mass-storage-class devices and one ?security device.? users can configure the chip by changing the setting of s_sq_inj (1) pin, and by using the usb flash disk utility program. thru the program, users can adjust the size (in mb unit) of the standard and the secured disks or partitions. users can also set and check the password of the secured disk. another function of the program is to let the PL-2521 change the subclass code to support different command blocks defined by the usb mass storage class specification. the table below shows all possible chip configurations setting by s_sq_inj pin and the program. table 2.1 PL-2521 chip configurations security switch [off] or security device disabled (no drivers needed) : s_sq_inj setting standard disk secured disk password usb devices detected by the os device manager hub port number 3.3v no partition don?t care generic hub + standard disk 1 3.3v no partition none generic hub + secured disk 1 3.3v no partition yes generic hub + (secured disk)* 1 3.3v none generic hub + standard disk + secured disk 2 3.3v ye s generic hub + standard disk + (secured disk)* 2 security switch [on] or security device enabled ( security driver needed ): s_sq_inj setting standard disk secured disk password usb devices detected by the os device manager hub port number 0v no partition don?t care generic hub + security device + standard disk 2 0v no partition none generic hub + security device + secured disk 2 0v no partition ye s generic hub + security device + (secured disk)* 2 0v none generic hub + security device + standard disk + secured disk 3 0v ye s generic hub + security device + standard disk + (secured disk)* 3
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 8 - document version 1.0 3.0 pin assignment and description 3.1 pin assignment and description of PL-2521 lqfp64 PL-2521 s_rdy rpu dmrs dprs vcc3b gndapb vcca gnd vcc vcc25 clock_se l gndikp vcckp usb_vcc_ino vcc3op s_ale s_d0 rwk_enj s_cle s_wej s_rej sim_dn sim_up rtsj vcckp dtrj vcc3 s_ce3j s_ce2j s_ce1j s_ce0j s_sq_inj gnd saccessj s_d1 s_d2 vcc3 rij s_d3 vcckp dcdj gndikp s_d4 dsrj s_d5 s_d6 vcc s_wp_inj s_d7 gndikp rxd txd resetj vcckb gndkb xsci xsco avcc3 agnd rref dm dp 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 12345678910111213141516 ctsj gndb figure 1-2 pin assignment of PL-2521 lqfp64
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 9 - document version 1.0 table 3.1 pin descriptions of PL-2521 lqfp64 pin symbol type description 1 rwk_enj o remote wakeup enable signal, active low 2 s_cle o nand flash memory command latch signal 3 s_wej o nand flash memory write enable signal, active low 4 s_rej o nand flash memory read enable signal, active low 5 sim_dn i download data from sim card 6 sim_up i upload data to sim card 7 rtsj o request to send signal of uart, active low 8 vcckp p kp power 9 dtrj o data terminal ready signal of uart, active low 10 vcc3 p 3.3v power 11 s_ce3j o nand flash memory 3 chip enable signal, active low 12 s_ce2j o nand flash memory 2 chip enable signal, active low 13 s_ce1j o nand flash memory 1 chip enable signal, active low 14 s_ce0j o nand flash memory 0 chip enable signal, active low 15 ctsj i clear to send signal of uart, active low 16 s_d0 b nand flash memory data bus bit 0 17 gnd p ground 18 saccessj o nand flash operation indication signal, active low 19 s_d1 b nand flash memory data bus bit 1 20 s_d2 b nand flash memory data bus bit 2 21 vcc3 p 3.3v input 22 rij i ring indicator signal of uart, active low 23 s_d3 b nand flash memory data bus bit 3 24 vcckp p kp power 25 dcdj i detect carrier detect signal of uart, active low 26 gndikp p ground 27 s_d4 b nand flash memory data bus bit 4 28 dsrj i data set ready signal of uart, active low 29 s_d5 b nand flash memory data bus bit 5 30 s_sq_inj i security enable input, active low 31 s_d6 b nand flash memory data bus bit 6 32 vcc3 p 3.3v power 33 s_wp_inj i write protect input, active low 34 s_d7 b nand flash memory data bus bit 7 35 gndikp p ground 36 rxd i received data signal, active low 37 txd o transmitted data signal, active low
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 10 - document version 1.0 pin symbol type description 38 resetj i optional external power-on-reset signal, active low 39 vcckb p kb power 40 gndkb p ground 41 xsci i crystal input. the input frequency is 12m 42 xsco o crystal output 43 avcc3 p analog 3.3v power 44 agnd p analog ground 45 rref i connect external reference resistor (12.1kohm1%) to analog gnd 46 dm b usb2.0 data negative pin 47 dp b usb2.0 data positive pin 48 gndb p ground 49 rpu i connect external resistor (1.5kohm0.1%) to avcc (analog 3.3v power) 50 dmrs b usb2.0 data negative pin, connect to external resistor (39ohm0.1%) 51 dprs b usb2.0 data positive pin, connect to external resistor (39ohm0.1%) 52 vcc3b p 3.3v power 53 gndapb p ground 54 vcca p analog 3.3v power 55 gnd p ground 56 vcc p 3.3v power 57 vcc25 p 2.5v power output 58 clock_sel i select the operating clock of 8032. 1: the 8032 operates in 60m hz 0: the 8032 operates in 30m hz 59 gndikp p ground 60 vcckp p kp power 61 usb_vcc_ino i usb vcc detection signal 62 vcc3op p 3.3v power 63 s_rdy i nand flash memory ready signal 64 s_ale o nand flash memory address latch signal
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 11 - document version 1.0 4.0 usb port descriptor there are up to four usb devices in PL-2521 ? an embedded hub, an auxiliary and a primary mass storage device, and a security device. each device has its own standard usb descriptors. 4.1 usb descriptor of embedded hub the embedded hub supports the following standard usb descriptors: device descriptor. configuration descriptor. the embedded hub has one default configuration descriptor that supports one interface. interface descriptor. the embedded hub has single interface with one possible alternate. endpoint descriptor. the embedded hub supports one interrupt endpoint for status change. hub descriptor. 4.1.1 device descriptor of embedded hub table 4.1.1 device descriptor of embedded hub offset field size value description 0 blength byte 12h size of this descriptor in bytes. 1 bdescriptortype byte 01h device descriptor type. 2 bcdusb word 0200h usb specification version 2.0 4 bdeviceclass byte 09h hub class. 5 bdevicesubclass byte 00h interface specific. 6 bdeviceprotocol byte 01h interface specific. 7 wmaxpacketsize0 byte 40h maximum packet size for endpoint 0 is 64. 8 idvendor word 067bh vendor id for prolific technologies. (1) 10 idproduct word 2515h product id for the embedded hub. (1) 12 bcddevice word 0100h device release 1.00. (1) 14 imanufacturer byte 01h string index 1 describes manufacturer. (2) 15 iproduct byte 03h string index 3 describes the product. (3) 16 iserialnumber byte 00h no string index for serial number. 17 bnumconfigurations byte 01h one possible configuration. n ote : (1) ? these default values shown here could be modified by customers. (2) ? the default string is ? prolific technology inc. ? in unicode format and could be changed by customers. (3) ? the default string is ? usb 2.0 hub ? in unicode format and could be changed by customers.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 12 - document version 1.0 4.1.2 configuration descriptor of embedded hub table 4.1.2 configuration descriptor of embedded hub offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 02h configuration descriptor type. 2 btotallength word 0022h 34 bytes of all configuration, interface, and endpoint descriptors. 4 bnuminterfaces byte 01h the embedded hub has one interface. 5 bconfigurationvalue byte 01h value to write to the device configuration register (dcr) to select this configuration. 6 iconfiguration byte 00h no string description for this configuration. 7 bmattributes byte 80h configuration characteristics: bus powered, no remote wakeup. (1) 8 maxpower byte fah maximum power consumption is 500ma. (1) note: (1) ? these default values shown here could be modified by customers. 4.1.3 interface descriptor of embedded hub table 4.1.3 interface descriptor of embedded hub offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 04h interface descriptor type. 2 binterfacenumber byte 00h interface 0. 3 balternatesetting byte 00h alternate 0. 4 bnumendpoints byte 01h supports endpoint 0, and 1. 5 binterfaceclass byte 09h hub class. 6 iinterfacesubclass byte 00h interface subclass code = 0. 7 binterfaceprotocol byte 00h interface protocol code = 0. 8 iinterface byte 00h no string descriptor for this interface. 4.1.4 interrupt endpoint descriptor (endpoint 1) table 4.1.4 interrupt endpoint descriptor offset field size value description 0 blength byte 07h size of this descriptor in bytes. 1 bdescriptortype byte 05h endpoint descriptor type. 2 bendpointaddress byte 81h in endpoint 1. 3 bmattributes byte 03h interrupt endpoint 4 wmaxpacketsize word 0001h maximum packet size is 1. 6 binterval byte 0ch this pipe should be pulled for every 12 frames.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 13 - document version 1.0 4.1.5 hub descriptor of embedded hub table 4.1.5 hub descriptor of embedded hub offset field size value description 0 bdesclength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 29h hub descriptor type. 2 bnbrports byte 03h this hub could support 0, 1, 2, or 3 downstream ports. 4 whubcharacteristices word 000dh configuration characteristics: this hub is a part of a compound device with individual port over-current protection, and individual port power switching capabilities. 5 bpwron2pwrgood byte 32h the time from the time that the power-on sequence begins on a port until power is good on that port is 100 ms. 6 bhubcontrcurrent byte 64h the hub controller consumes 100ma. 7 deviceremovable byte 0eh all device attached to the hub is un-removable. 8 portpwrctrlmask byte ffh this field is used for compatibility with software written for 1.0 compliant device. 4.2 usb descriptor of auxiliary mass storage device the auxiliary mass storage device supports the following standard usb descriptors: device descriptor. configuration descriptor. the auxiliary mass storage device has one default configuration descriptor that supports one interface. interface descriptor. the auxiliary mass storage device has single interface with one possible alternate. endpoint descriptor. the auxiliary mass storage device supports the following endpoints: bulk-out endpoint for host-to-device data/command transfer. bulk-in endpoint for device-to-host data/status transfer. 4.2.1 device descriptor of auxiliary mass storage device table 4.2.1 device descriptor of auxiliary mass storage device offset field size value description 0 blength byte 12h size of this descriptor in bytes. 1 bdescriptortype byte 01h device descriptor type. 2 bcdusb word 0200h usb specification version2.0 4 bdeviceclass byte 00h interface specific. 5 bdevicesubclass byte 00h interface specific. 6 bdeviceprotocol byte 00h interface specific.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 14 - document version 1.0 table 4.2.1 device descriptor of auxiliary mass storage device (cont?) offset field size value description 7 wmaxpacketsize0 byte 40h maximum packet size for endpoint 0 is 64. 8 idvendor word 067bh vendor id for prolific technologies. (1) 10 idproduct word 2517h product id for the auxiliary mass storage device. (1) 12 bcddevice word 0100h device release 1.00. (1) 14 imanufacturer byte 01h string index 1 describes manufacturer. (2) 15 iproduct byte 04h string index 4 describes the product. (3) 16 iserialnumber byte 00h no string index for serial number. 17 bnumconfigurations byte 01h one possible configuration. note: (1) ? these default values shown here could be modified by customers. (2) ? the default string is ? prolific technology inc. ? in unicode format and could be changed by customers. (3) ? the default string is ? mass storage device ? in unicode format and could be changed by customers. 4.2.2 configuration descriptor of auxiliary mass storage device table 4.2.2 configuration descriptor of auxiliary mass storage device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 02h configuration descriptor type. 2 btotallength word 0020h 32 bytes of all configuration, interface, and endpoint descriptors. 4 bnuminterfaces byte 01h the embedded hub has one interface. 5 bconfigurationvalue byte 01h value to write to the device configuration register (dcr) to select this configuration. 6 iconfiguration byte 00h no string description for this configuration. 7 bmattributes byte c0h configuration characteristics: self powered, no remote wakeup. 8 maxpower byte 00h maximum power consumption is 0ma. 4.2.3 interface descriptor of auxiliary mass storage device table 4.2.3 interface descriptor of auxiliary mass storage device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 04h interface descriptor type. 2 binterfacenumber byte 00h interface 0. 3 balternatesetting byte 00h alternate 0. 4 bnumendpoints byte 02h supports endpoint 0, 1, and 2.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 15 - document version 1.0 table 4.2.3 interface descriptor of auxiliary mass storage device (cont?) offset field size value description 5 binterfaceclass byte 08h mass storage class. 6 iinterfacesubclass byte 06h subclass code of scsi transparent command set. 7 binterfaceprotocol byte 50h protocol code of bulk-only transport. 8 iinterface byte 00h no string descriptor for this interface. 4.2.4 bulk out endpoint descriptor (endpoint 1) table 4.2.4 bulk out endpoint descriptor (endpoint 1) offset field size value description 0 blength byte 07h size of this descriptor in bytes. 1 bdescriptortype byte 05h endpoint descriptor type. 2 bendpointaddress byte 01h out endpoint 1. 3 bmattributes byte 02h bulk endpoint. 4 wmaxpacketsize word 0200h maximum packet size is 512 bytes. 6 binterval byte 00h n/a 4.2.5 bulk in endpoint descriptor (endpoint 2) table 4.2.5 bulk in endpoint descriptor (endpoint 2) offset field size value description 0 blength byte 07h size of this descriptor in bytes. 1 bdescriptortype byte 05h endpoint descriptor type. 2 bendpointaddress byte 82h in endpoint 2. 3 bmattributes byte 02h bulk endpoint 4 wmaxpacketsize word 0200h maximum packet size is512 bytes. 6 binterval byte 00h n/a 4.3 usb descriptor of security device the security device supports the following standard usb descriptors: device descriptor. configuration descriptor. the security device has one default configuration descriptor that supports one interface. interface descriptor. the security device has single interface with one possible alternate. because the security device contains only the default control endpoint, there is no endpoint descriptor.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 16 - document version 1.0 4.3.1 device descriptor of security device table 4.3.1 device descriptor of security device offset field size value description 0 blength byte 12h size of this descriptor in bytes. 1 bdescriptortype byte 01h device descriptor type. 2 bcdusb word 0200h usb specification version 2.0. 4 bdeviceclass byte 00h interface specific. 5 bdevicesubclass byte 00h interface specific. 6 bdeviceprotocol byte 00h interface specific. 7 wmaxpacketsize0 byte 40h maximum packet size for endpoint 0 is 64. 8 idvendor word 067bh vendor id for prolific technologies. (1) 10 idproduct word 2516h product id for the security device. (1) 12 bcddevice word 0200h device release 2.00. (1) 14 imanufacturer byte 01h string index 1 describes manufacturer. (2) 15 iproduct byte 05h string index 5 describes the product. (3) 16 iserialnumber byte 00h no string index for serial number. 17 bnumconfigurations byte 01h one possible configuration. note: (1) ? these default values shown here could be modified by customers. (2) ? the default string is ? prolific technology inc. ? in unicode format and could be changed by customers. (3) ? the default string is ? security device ? in unicode format and could be changed by customers. 4.3.2 configuration descriptor of security device table 4.3.2 configuration descriptor of security device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 02h configuration descriptor type. 2 btotallength word 0012h 18 bytes of all configuration, interface, and endpoint descriptors. 4 bnuminterfaces byte 01h the security device has one interface. 5 bconfigurationvalue byte 01h value to write to the device configuration register (dcr) to select this configuration. 6 iconfiguration byte 00h no string description for this configuration. 7 bmattributes byte c0h configuration characteristics: self powered, no remote wakeup. 8 maxpower byte 00h maximum power consumption is 0 ma.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 17 - document version 1.0 4.3.3 interface descriptor of security device table 4.3.3 interface descriptor of security device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 04h interface descriptor type. 2 binterfacenumber byte 00h interface 0. 3 balternatesetting byte 00h alternate 0. 4 bnumendpoints byte 00h supports endpoint 0 only. 5 binterfaceclass byte ffh vendor specific class. 6 iinterfacesubclass byte ffh vendor specific subclass. 7 binterfaceprotocol byte ffh vendor specific interface protocol. 8 iinterface byte 00h no string descriptor for this interface. 4.4 usb descriptor of primary mass storage device the primary mass storage device supports the following standard usb descriptors: device descriptor. configuration descriptor. the primary mass storage device has one default configuration descriptor that supports one interface. interface descriptor. the primary mass storage device has single interface with one possible alternate. endpoint descriptor. the primary mass storage device supports the following endpoints: bulk-out endpoint for host-to-device data/command transfer. bulk-in endpoint for device-to-host data/status transfer. 4.4.1 device descriptor of primary mass storage device table 4.4.1 device descriptor of primary mass storage device offset field size value description 0 blength byte 12h size of this descriptor in bytes. 1 bdescriptortype byte 01h device descriptor type. 2 bcdusb word 0200h usb specification version 2.0. 4 bdeviceclass byte 00h interface specific. 5 bdevicesubclass byte 00h interface specific. 6 bdeviceprotocol byte 00h interface specific. 7 wmaxpacketsize0 byte 40h maximum packet size for endpoint 0 is 64. 8 idvendor word 067bh vendor id for prolific technologies. (1) 10 idproduct word 2517h product id for the primary mass storage device. (1) 12 bcddevice word 0100h device release 1.00. (1)
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 18 - document version 1.0 table 4.4.1 device descriptor of primary mass storage device (cont?) offset field size value description 14 imanufacturer byte 01h string index 1 describes manufacturer. (2) 15 iproduct byte 06h string index 6 describes product. (3) 16 iserialnumber byte 00h no string index for serial number. 17 bnumconfigurations byte 01h one possible configuration. notes: (1) ? these default values shown here could be modified by customers. (2) ? the default string is ? prolific technology inc. ? in unicode format and could be changed by customers. (3) ? the default string is ? mass storage device ? in unicode format and could be changed by customers. 4.4.2 configuration descriptor of primary mass storage device table 4.4.2 configuration descriptor of primary mass storage device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 02h configuration descriptor type. 2 btotallength word 0020h 32 bytes of all configuration, interface, and endpoint descriptors. 4 bnuminterfaces byte 01h the primary mass storage device has one interface. 5 bconfigurationvalue byte 01h value to write to the device configuration register (dcr) to select this configuration. 6 iconfiguration byte 00h no string description for this configuration. 7 bmattributes byte c0h configuration characteristics: self powered, no remote wakeup. 8 maxpower byte 00h maximum power consumption is 0 ma. 4.4.3 interface descriptor of primary mass storage device table 4.4.3 interface descriptor of primary mass storage device offset field size value description 0 blength byte 09h size of this descriptor in bytes. 1 bdescriptortype byte 04h interface descriptor type. 2 binterfacenumber byte 00h interface 0. 3 balternatesetting byte 00h alternate 0. 4 bnumendpoints byte 02h supports endpoint 0, 1, and 2. 5 binterfaceclass byte 08h mass storage class.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 19 - document version 1.0 table 4.4.3 interface descriptor of primary mass storage device (cont?) offset field size value description 6 iinterfacesubclass byte 06h subclass code of scsi transparent command set. 7 binterfaceprotocol byte 50h protocol code of bulk-only transport. 8 iinterface byte 00h no string descriptor for this interface. 4.4.4 bulk out endpoint descriptor (endpoint 1) table 4.4.4 bulk out endpoint descriptor (endpoint 1) offset field size value description 0 blength byte 07h size of this descriptor in bytes. 1 bdescriptortype byte 05h endpoint descriptor type. 2 bendpointaddress byte 01h out endpoint 1. 3 bmattributes byte 02h bulk endpoint. 4 wmaxpacketsize word 0200h maximum packet size is 512 bytes. 6 binterval byte 00h n/a 4.4.5 bulk in endpoint descriptor (endpoint 2) table 4.4.5 bulk in endpoint descriptor (endpoint 2) offset field size value description 0 blength byte 07h size of this descriptor in bytes. 1 bdescriptortype byte 05h endpoint descriptor type. 2 bendpointaddress byte 82h in endpoint 2. 3 bmattributes byte 02h bulk endpoint 4 wmaxpacketsize word 0200h maximum packet size is 512 bytes. 6 binterval byte 00h n/a
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 20 - document version 1.0 5.0 dc characteristics 5.1 absolute maximum ratings table 5.1 absolute maximum ratings symbol parameter rating units vcc3 power supply -0.3 to 3.6 v avcc3 power supply -0.3 to 3.6 v vcc25 power supply -0.3 to 2.75 v vin input voltage -0.3 to vcc+0.3 v vout output voltage -0.3 to vcc+0.3 v tstg storage temperature -55 to 150 (tbd) c 5.2 recommended operation conditions table 5.2 recommended operatrion conditions symbol parameter min typ max units vcc3 commercial power supply 3.0 3.3 3.6 v avcc3 commercial power supply 3.0 3.3 3.6 v vcc25 commercial power supply 2.25 2.5 2.75 v vin input voltage 0 - vcc3 v tj commercial junction operation temperature 0 25 115 c 5.3 general dc characteristics table 5.3 general dc characteristics symbol parameter conditions min typ max units iil input leakage current no pull-up or pull-down -10 10 ua ioz tri-state leakage current -10 10 ua cin input capacitance 3.1 pf cout output capacitance 3.1 pf cbid3 bi-directional buffer capacitance 3.1 pf note: the capacitance listed above does not include pad capacitance and package capacitance.
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 21 - document version 1.0 5.4 dc electrical characteristics for 3.3 v operation table 5.4 dc electrical characteristics for 3.3v operation symbol parameter conditions min typ max units vil input low voltage cmos 0.3*vcc v vih input high voltage cmos 0.7*vcc v vt- schmitt trigger negative going threshold voltage cmos 0.8 1.10 v vt+ schmitt trigger positive going threshold voltage cmos 1.6 2.0 v vol output low voltage i ol = 2, 4, 8, 12, 16, 24 ma 0.4 v voh output high voltage i ol = 2, 4, 8, 12, 16, 24 ma 2.4 v ri input pull-up/pull-down resistance v il = 0v or v ih = vcc 75 k ?
release date january 2004 ds_pl2521_v1.0 PL-2521 product datasheet - 22 - document version 1.0 6.0 outline diagram 6.1 lqfp64pin outline diagram: figure 1-3 outline diagram of PL-2521 lqfp64

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