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bel modules 28 turkey court, turkey mill, ashford road maidstone me14 5pp uk ? 2017 bel power solutions, inc. +44 1622 757 395 techhelp@belf.com belfuse.com rev e [ 1 ] powerline modules 500mbps modules the single in - line package (sip) module is an ieee1901 and homeplug av based mac/phy/afe powerline communications (plc) transceiver/modem. the module provides an integrated solution for powerline commu nications. the black box design requires no external software and only a few external components to create a wor king solution. operate as a phy or m ac is selectable via pull up/down resistor. communication is possib le over any 2 wire system dc/ac or d ry wire . key features & benefits ? based on qualcomm atheros ar 7410/ar1500 chipset ? industrial temperature range - 40 c C +85c ? supports ieee1901 homeplug? av standard with data rates of 500mbps ? rgmii ( 0804 - 5000 ? 50 ) or mii ( 0804 - 5000 ? 51 ) (host & phy) interface ? supports 4096/1 024/256/64/16/8 - qam, qpsk, bpsk and robo modulation schemes ? 128 - bit aes link encryption with key management for secure power line communications ? windowed ofdm with noise mitigation based on patented line synchronization techniques improves data integrity in noisy conditions ? dynamic channel adaptation and channel estimation maximizes throughput in harsh channel conditions ? horizontal mounting configuration using standard 1.27mm pin header (50 way) ? integrates core components necessary to add h omeplug av functionality to any embedded system at low cost ? designed to meet class a conducted emissions emc standards for industrial applications ? 0804 - 5000 ? 51 offers a mii interface and is compatible with the existing 0804 - 5000 - 18/24 modules models par t number temp range interface market 0804 - 5000 a 50 - 40 c C +85c including heatsink rgmii us 0804 - 5000 a 51 - 40 c C + 85c including heatsink mii ( 0804 - 5000 - 18/24 compatible) us 0804 - 5000 e 50 - 40 c C + 85c including heatsink rgmii eu 0804 - 5000 e 51 - 40 c C + 85c including heatsink mii ( 0804 - 5000 - 18/24 compatible) eu
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 2 ] m odule block diagram * dotted line signifies modules external connectivity. system block diagram the block diagram presents the powerline module i n a typical environment . clock bpf m a c p h y dac adc bpf flash tx rx ar1 5 00 ar 7 4 1 0 plc coupler zero cross detector 11.2v 1 .26 v gpio leds and config rgmii mii reset 3.3v dc ram pll sys clk dc / dc 2.5 v powerline module phy device or mac controller gpio power reset phy utility rgmii/ mii mdi o ac mains / dc or dry wire zerro cross detector plc coupler * ac only
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 3 ] module interface module connectivity is provided via a 50 way 1.27mm pitch gold pin header. pin number pin name mii rgmii type description 1 vdd pwr +3.3v 2 vss pwr ground 3 vdd pwr +3.3v 4 vss pwr gr ound 5 vnet_io pwr +2.5v / +3.3v 6 txrx+ i/o differential txrx signal, connects to coupling transformer 7 txrx - i/o differential txrx signal, connects to coupling transformer 8 vss pwr ground 9 reserved [1] - reserved pin 10 reserved [1] - reserved p in 11 reset# i resets all ic logic when low 12 gpio0 i/o strap: enet_sel[0] 13 gpio1 i/o strap: enet_sel[1]; push - button: simple connect 14 gpio2 i/o strap: anen; push - button: factory default 15 reserved [1] - reserved pin 16 gpio4 i/o strap: speed_s el[0] 17 gpio5 i/o strap: md_a3 18 gpio6 i/o strap: cfg_sel 19 gpio7 i/o strap: md_a4 20 gpio8 i/o strap: mp_sel; led: powerline tx/rx link 21 gpio3 i/o strap: isodef; led: ethernet tx/rx link 22 gpio10 i/o strap: bm_sel 23 gpio11 i/o strap: speed_s el [1] ; led: power 24 zc_in i/o zero - cross detection signal 25 mdio i/o management data interface data line 26 mdc o mac /i phy management data interface clock line 27 reserved [1] - reserved pin 28 reserved [1] - reserved pin 29 vss pwr ground 30 mrx_d 0 rd0 i mac /o phy mii / rgmii: receive data bits (mac) 31 mrx_d1 rd1 i mac /o phy mii / rgmii: receive data bits (mac) 32 mrx_d2 rd2 i mac /o phy mii / rgmii: receive data bits (mac) 33 mrx_d3 rd3 i mac /o phy mii / rgmii: receive data bits (mac) 34 col reserved [2 ] i mac /o phy mii: collision detected 35 mrx_clk rxc i mac /o phy mii / rgmii: receive clock (mac)
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 4 ] pin number pin name mii rgmii type description 36 vss pwr ground 37 mrx_err reserved [2 ] i mac /o phy mii: receive error (ma c) 38 mrx_dv rx_ctl i mac /o phy mii: receive data valid (mac) rgmii: receive control signal (mac) 39 mtx_d0 td0 o mac /i phy mii / rgmii: transmit data bits (mac) 40 mtx_d1 td1 o mac /i phy mii / rgmii: transmit data bits (mac) 41 mtx_d2 td2 o mac /i phy mii / rg mii: transmit data bits (mac) 42 mtx_d3 td3 o mac /i phy mii / rgmii: transmit data bits (mac) 43 crs reserved [2 ] i mac /o phy mii: carrier sense 44 mtx_clk txc mii: i mac /o phy rgmii: o mac /i phy mii: transmit clock (mac) rgmii: transmit clock (mac) 45 mtx_en tx_ctl o mac /i phy mii: transmit enable (mac) rgmii: transmit control signal (mac) 46 vss pwr ground 47 phy_rst# o reset ethernet phy 48 vss pwr ground 49 phy_clk o strap: duplex; 25mhz clock for ethernet phy 50 vss pwr ground [1] leave reserve d pins disconnected [2] add p ull down 10k resistor ethernet interface the ethernet interface can be configured in mac or phy mode and depending on the module model either mii or rgmii protocols are supported. ? mac or phy mode ? rgmii ( 0804 - 5000 ? 50 ) or mii ( 0 804 - 5000 ? 51 ) protocol in mac mode, the sip is configured to be an ethernet mac and to communicate to an external ethernet phy device. this configuration is typical in an ethernet wall adapter application. in phy mode, the sip is configured to be a physic al medium dependent (pmd) or phy controller. in this configuration, an external mac controls the sip ; this configuration is typical in an embedded application, such as a set - top box. regardless of which mode is used, the sip can be configured to use one o f below protocols: ? mii ( 100 mbps max) complies with 802.3(u) ? rgmii ( 1000 mbps max) supports rgmii v1.3 with internal 2ns delays the mac and phy configurations support 10 and 100 mbps in half and full - duplex, and 1 000 mbps in full duplex mode only. when the rgmii interface is used, regardless of the speed, only full - duplex is supported. fl ow control is supported in half - duplex using back - pressure preamble assertion, and using pause packets in full - duplex mode. the ethernet interface includes the managemen t data interface for mac and phy controller functions. the ethernet mac module implements a standard ethernet mac function. the ethernet mac will be connected to an external ethernet phy function. the mac configuration provides bridging between ethernet and plc. the phy configuration emulates ethernet phy functionality and provides plc connectivity to devices designed to communicate over an ethernet physical network . the ethernet interface has separate transmit and receive packet buffering. when opera ting as a mac the transmit fifo is 2 kb and the receive fifo is 16 kb. when operat ing as a phy controller, the transmit fifo is 16 k b and the receive fifo is 2 kb.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 5 ] mii bus signals pin number pin name i/o mac mode phy mode description 30 31 32 33 mrx_d0 mrx_d1 mrx_d2 mrx_d3 i o transmit data bits . the phy controller drives mrx_d[3:0] and the mac core receives mrx_d[3:0]. mrx_d[3:0] transition synchronously with respect to mrx_clk. for each mrx_clk period in which mrx_dv is asserted, mrx_d[3:0] is vali d. mrx_d0 is the least - significant bit. the phy controller tri - states mrx_d[3:0] in isolate mode. 34 col i o collision detected. the phy controller asserts col when it detects a collision on the medium. col remains asserted while the collision conditio n persists. col signal transitions are not synchronous to either the mtx_clk or the mrx_clk. the mac core ignores the col signal when operating in the full - duplex mode. the phy controller tri - states col in isolate mode. 35 mrx_clk i o receive clock. mrx _clk is a continuous clock that provides the timing reference for the transfer of the mrx_dv and mrx_d[3:0] signals from the phy controller to the mac core. the phy controller sources mrx_clk. mrx_clk frequency is equal to 25% of the data rate of the rece ived signal on the ethernet cable. the phy controller tri - states mrx_clk in isolate mode. 37 mrx_err i o receive error. the phy controller asserts mrx_err high for one or more mrx_clk periods to indicate to the mac core that an error (a coding error or any error that the phy is capable of detecting that is otherwise undetectable by the mac) was detected somewhere in the current frame. mrx_err transitions synchronously with respect to mrx_clk. while mrx_dv is de - asserted, mrx_err has no effect on the mac core. the phy controller tri - states mrx_err in isolate mode. 38 mrx_dv i o receive data valid. the phy controller asserts mrx_dv to indicate to the mac core that it is presenting the recovered and decoded data bits on mrx_d[3:0] and that the data on mrx _d[3:0] is synchronous to mrx_clk. mrx_dv transitions synchronously with respect to mrx_clk. mrx_dv remains asserted continuously from the first recovered nibble of the frame through the final recovered nibble, and is de - asserted prior to the first mrx_clk that follows the final nibble. the phy controller tri - states mrx_dv in isolate mode. 39 40 41 42 mtx_d0 mtx_d1 mtx_d2 mtx_d3 o i transmit data bits . the mac core drives mtx_d[3:0] and the phy controller receives mtx_d[3:0]. mtx_d[3:0] transitions sync hronously with respect to mtx_clk. for each mtx_clk period in which mtx_en is asserted, mtx_d[3:0] is valid. mtx_d0 is the least - significant bit. the phy controller ignores mtx_d[3:0] in isolate mode. 43 crs i o carrier sense. the phy controller assert s crs when either transmit or receive medium is non - idle. the phy de - asserts crs when both transmit and receive medium are idle. the phy must ensure that crs remains asserted throughout the duration of a collision condition. the transitions on the crs s ignal are not synchronous to either the mtx_clk or the mrx_clk. the phy controller tri - states crs in isolate mode. 44 mtx_clk i o transmit clock. mtx_clk is a continuous clock that provides a timing reference for the transfer of the mtx_en and mtx_d[3:0 ] signals from the mac core to the phy controller. the phy controller sources mtx_clk. the operating frequency of mtx_clk is 25 mhz when operating at 100 mbps and 2.5 mhz when operating at 10 mbps. the phy controller tri - states mtx_clk in isolate mode. 45 mtx_en o i transmit enable. a high assertion on mtx _ en indicates that the mac core is presenting nibbles to the phy controller for transmission. the sip mac core asserts mtx_en with the first nibble of the preamble and keeps mtx_en asserted while all nibbles to be transmitted are presented to the mii. mtx_en is de - asserted prior to the first mtx_clk following the final nibble of the frame. mtx_en transitions synchronously with respect to mtx_clk. the phy controller ignores mtx_en in isolate mode.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 6 ] rgmii bus signals pin number pin name i/o mac mode phy mode description 30 31 32 33 rd0 rd1 rd2 rd3 i o transmit data bits . the phy controller drives rd[3:0] and the mac core receives rd[3:0]. the signals contains the bits 3:0 on rising and 7:4 on fa lling edges of the rxc. the phy controller tri - states rd[3:0] in isolate mode. 35 rxc i o receive clock. rxc is a continuous double data rate (ddr) clock that provides the timing reference for the transfer of the rx_ctl and rd[3:0] signals from the phy controller to the mac core. rxc frequency is equal to 25% of the data rate of the received signal on the ethernet cable in 10/100 mbps mode, and 12.5% of the data rate of the received signal on the ethernet cable in 1000 mbps mode. the phy controller tri - states rxc in isolate mode. 38 rx_ctl i o receive data valid. rx_ctl is driven by the phy controller. contains the rxdv on rising and rxerr on falling edges of the rxc. the phy controller tri - states rx_ctl in isolate mode. 39 40 41 42 td0 td1 td2 td3 o i transmit data bits . the mac core drives td[3:0] and the phy controller receives td[3:0]. the signals contains the bits 3:0 on rising and 7:4 on falling edges of the txc. the phy controller tri - states rd[3:0] in isolate mode. 44 txc o i transmit clo ck. txc is a continuous double data rate (ddr) clock that provides a timing reference for the transfer of the tx_ctl and td[3:0] signals from the mac core to the phy controller. the operating frequency of txc is 125 mhz when operating at 1000 mbps, 25 mh z when operating at 100 mbps and 2.5 mhz when operating at 10 mbps. the phy controller tri - states txc in isolate mode. 45 tx_ctl o i transmit control signal. tx_ctl is drives by the mac core. contains the txen on rising and a logical derivative of txen and txerr on falling edges of the txc. the phy controller tri - states tx_ctl in isolate mode. management data interface (mdi) the ethernet interface has a two - wire bi - directional serial management data interface (mdi). this interface provides access to the status and control regis ters in the ethernet phy logic. pin number pin name i/o mac mode phy mode description 25 mdio i/o i/o mii management data in/out. this is the data input signal from the phy controller. the phy drives the read data synchronous ly with respect to the mdc clock during the read cycles. this is also the data output signal from the mac core that drives the control information during the read/write cycles to the phy controller. the mac core drives the mdo signal synchronously with r espect to the mdc. 26 mdc o i/o mii management data clock. the mac core sources mdc as the timing reference for transfer of information on the mdi/mdo signals. mdc signal has no maximum high or low times. mdc minimum high and low times are 160 ns each, and the minimum period for mdc is 400 ns.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 7 ] ethernet options the mp_sel strap is used to specify which mode phy or mac the module operates in. the encoding of this signal is shown in the following table: mp_sel mode 0 phy mode 1 mac mode enet_sel[ 1:0] mii/rgmii 00 10/100/1000 rgmii no rx clk delay ( 0804 - 5000 ? 50 only) 01 10/100/1000 rgmii 2n s rx clk delay ( 0804 - 5000 ? 50 only) 10 not used 11 10/100 mii ( 0804 - 5000 ? 51 only) in phy mode, there are 5 additional configuration straps that are unique to this mode of operation: speed_sel[1:0] mii /rgmii speed md_a[ 4:3] management address 00 10mbps 00 0x00 01 100mbps 01 0x08 10 1000mbps ( 0804 - 5000 ? 50 only) 10 0x10 11 reserved 11 0x18 isodef isolation anen negotiation mode 0 normal operation 0 auto - negotiate disabled 1 isolated 1 auto - negot iate enabled duplex mii duplex 0 half duplex 1 full duplex
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 8 ] rgmii and mii interface timing parameters mii tx bus (mtx) and rx bus (mrx) timing parameter min max units t clkp clk period (100 mb/s, 10 mb/s) 40/400 - ns t clkhi clk high t i me (100 mb/s, 10 mb/s) 14/140 26/260 ns t clklo clk low t ime (100 mb/s, 10 mb/s) 14/140 26/260 ns t ov output valid time all mtx signals 10 28 ns t su input set up time all mrx signals 10 - ns t h input hold time all mrx signals 10 - ns management d ata interface clock (mdc ) and data (mdio) timing parameter min max units t mdcp mdc period (100 mb/s, 10 mb/s) 400 - ns t mdchi mdc high time (100 mb/s, 10 mb/s) 150 - ns t mdcio mdc low time (100 mb/s, 10 mb/s) 150 - ns t mov output valid mdio 0 300 ns t msu input set up time mdio 10 - ns t mh input hold time mdio 10 - ns table 1 mii timing specification mac mode
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 9 ] mii tx bus (mtx) and rx bus (mrx) timing parameter min max units t clkp clk period (100 mb/s, 10 mb/s) 40/400 - ns t clkhi clk high t ime (100 mb/s, 10 mb/s) 14/140 26/260 ns t clklo clk low t ime (100 mb/s, 10 mb/s) 14/140 26/260 ns t ov output valid time all mtx signals - 25 ns t oh output hold time all mrxrx signals - 10 ns t su input set up time all mrx signals 10 - ns t h input hold time all mrx signals 10 - ns management data interface clock (mdc) and data (mdio) timing parameter min max units t mdcp mdc period (100 mb/s, 10 mb/s) 400 - ns t mdchi mdc high time (100 mb/s, 10 mb/s) 150 - ns t mdcio mdc low time (100 mb/s, 10 mb/s) 150 - ns t mov output valid mdio 0 300 ns t msu input set up time mdio 10 - ns t mh input hold time mdio 10 - ns table 2 mii timing specification phy mode
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 10 ] symbol parameter min typ max units t skewt d ata to clock output skew (at transmitter) - 500 0 500 ps t skewr data to clock input skew (at receiver) 1.0 1.8 2.6 ns t setupt data to clock output setup (at transmitter - integrated delay) 1.2 2.0 - ns t holdt clock to data output hold (at transmitter - i ntegrated delay) 1.2 2.0 - ns t setupr data to clock input setup (at r eceiver - integrated delay) 1.0 2.0 - ns t holdr data to clock input setup (at r eceiver - integrated delay) 1.0 2.0 - ns t cyc clock cycle d u ration [1] 7.2 8 8.8 ns duty_g duty cycle fo r gigabit 45 50 55 % duty_t duty cycle for 10/100t 40 50 60 % tr/tf rise/fall time (20% to 80%) - - 0.75 ns [1] for 10/100/1000t operation, txc and rxc will be 2.5 mhz, 25 mhz and 125 mhz r espectively. table 3 rgmii - id mac mode timing specification rxd[3:0] rxdv tsetupt rxc (source of data) rxd[3:0] rx_ctl rxc with internal delay added tholdt tsetupr tholdr rxc delayed redrawn for clarity txd[3:0] txen tsetupt txc (source of data) txd[3:0] tx_ctl txc with internal delay added tholdt tsetupr tholdr txc delayed redrawn for clarity
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 11 ] symbol parameter min typ max units t skewt data to clock output skew (at transmitter) - 500 0 500 ps t skewr data to clock input skew (at receiver) 1.0 1.8 2.6 ns t setupt data to clock output setup (at transmitter - integrate d delay) 1.2 2.0 - ns t holdt clock to data output hold (at transmitter - integrated delay) 1.2 2.0 - ns t setupr data to clock input setup (at r eceiver - integrated delay) 1.0 2.0 - ns t holdr data to clock input setup (at r eceiver - integrated delay) 1.0 2.0 - ns t cyc clock cycle d u ration [1] 7.2 8 8.8 ns duty_g duty cycle for gigabit 45 50 55 % duty_t duty cycle for 10/100t 40 50 60 % tr/tf rise/fall time (20% to 80%) - - 0.75 ns [1] for 10/100/1000t operation, txc and rxc will be 2.5 mhz, 25 mhz an d 125 mhz respectively. table 4 rgmii - id phy mode timing specification rxd[3:0] rxdv tsetupt rxc (source of data) rxd[3:0] rx_ctl rx c with internal delay added tholdt tsetupr tholdr rxc delayed redrawn for clarity txd[3:0] txen tsetupt txc (source of data) txd[3:0] tx_ctl txc with internal delay added tholdt tsetupr tholdr txc delayed redrawn for clarity
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 12 ] symbol parameter min typ max units tdly_mdio mdc to mdio (output) delay time 0 - 20 ns tsu_mdio mdio (input) to mdc setup time 10 - - ns thd_mdio mdio (input) to mdc hold time 10 - - ns tp_mdc mdc period 83.3 - - ns th_mdc mdc high 30 - - ns tl_mdc mdc low 30 - - ns table 5 rgmii timing specification (mdc/mdio) th_mdc tl_mdc tp_mdc tsu_mdio thd_mdio valid data tdly_mdio mdc mdio (output) mdc mdio (input)
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 13 ] general purpose input/output (gpio) pins interface the gpio pins have two uses, firstly for configuration and secondly as status outputs and control inputs. the following table shows the provided default pull up/d own configuration. pin number pin name configuration strap function internal pull up/down 12 g pio0 enet_sel[0] up 13 gpio1 enet_sel[1] up 14 gpio2 anen up 21 gpio3 isodef down 16 gpio4 speed _sel[0] up 17 gpio5 md_a3 up 18 gpio6 cfg_sel up 19 gpio7 md_a4 down 20 gpio8 mp_sel up 22 gpio10 bm_sel up 23 gpio11 speed_sel[1] down the followin g table shows the gp i o usage input and lead status feedback. gpio i/o default function after reset gpio1 i typically connected to a push - button. this gpio is used to add a new device to, or remove an old device from, a homeplug ac logical network. gpio 2 i typically connected to a p ush - button. the factory default can be restored by applying a low - level digital voltage on gpio2 for greater than 0.5 seconds and less than 3.0 seconds. gpio8 o to be connected to an led. the led gives indications about pow erline link & activity. on : powerline link detected. flash : tx or rx powerline activity. off : powerline link not detected. gpio 3 o to be connected to an led. the led gives indications about ethernet link & activity. on : ethernet link detected. flas h : transmit or receive activity. off : no link detected. gpio11 o to be connected to an led. the led gives indication about power. on : power ready. flash : load firmware [ 1] . (boot loader mode) off : power not ready. [1] should t he m odules flash mem ory be corrupted /blank, the module rom based code will blink the power led on and off at a frequency of one cycle per second.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 14 ] phy utility interface pin number pin name i/o description 47 phy_rst# o phy device reset (active low). connect to an external ethernet phy. this reset output is a stretched version of the reset# input. 49 phy_clk o 25mhz clock out. this output is a dedicated clock output that can be used to drive the clock input on an external ethernet phy. this clock output is only available when the powerline chipset is configured in mac mode, and not in phy mode of operation. note that if this output is used, it is strongly advised that the corresponding phy_rst# signal also be connected to the external ethernet phy. coupling interface pi n number pin name i/o description 6 tx rx + i/ o 100r d ifferential tx /rx+ powerline data, connects to coupling transformer 7 txrx - i/o 100r differential tx/rx - powerline data, connects to coupling transformer special care must be taken during pcb layout of the coupling interface signals. route differential pairs close together and away from all other signals. route each differential pair on the same pcb layer. keep both traces of each differential pair as identical to each other as possible. wide copper is needed here to support current density of up to 7 0mhz. these high frequencies result in higher resistance due to skin effect. the wide traces also accommodate high transient currents caused by voltage spikes. trace widths between the module and the cou pling transformer must be no less than 0.020 (0.5 mm) and should be no greater than 0.030 (0.75 mm). use of the bel fuse 0557 - 7700 - 36 or 0557 - 7700 - 42 powerline couplers is recommended. details can be found on the powerline couplers datasheet . reset, ze ro crossing and power connections pin number pin name i/o description 1, 3 vdd i +3.3v with respect to vss 5 vnet_io i +2.5v or +3.3v to power mii/rgmii i/o 2, 4, 8, 29, 36, 46, 48, 50 vss i ground 11 reset# i resets all ic logic when low. maintain th is signal active for 100ms after the vdd rail is stable. 24 zc_in i zero cross detector input. this should be provide d from a safety isolated source (opto - isolator ) . the waveform is to correspond to the pol arity of the ac live waveform. for dry wire or dc safety this should be connected to vcc via a pull up ( 10 k ). this information synchronizes the channel adaptation of the powerline chipset to the line cycle periodic noise present on the power line.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 15 ] configuration options the powerline chipset ethe rnet mode and boot options are selected by the initial condition of gpio pins. if a gpio pin is not used and its internal strapping resistor sets the booting option correctly, then the pin may be left unconnected. if a gpio pin is not used but the intern al strapping resistor sets the booting option incorrectly, then the pin must be pulled high or low to the correct booting option by an external resistor. all pull - up/pull - down resistors should be 3.3 k . many gpio pins are driven by firmware for led output immediately after boot up so connecting these gpio directly to ground or vdd is not permitted. pin pin name strap function internal pull default function 12 gpio0 enet_sel[0] up mii/rgmii : 10/100 mii ( 0804 - 5000 ? 51 only) 13 gpio1 enet_sel[1] up mii/rgmii: 10/100 mii ( 0804 - 5000 ? 51 only) 14 gpio2 anen up phy mode : auto negotiate enabled 21 gpio3 isodef down phy mode: normal ope ration 16 gpio4 speed_sel[0] up phy mode: 100mbps 23 gpio11 speed_sel[1] down phy mode: 100mbps 17 gpio5 md_a3 up phy mode: phy address 0x08 18 gpio6 cfg_sel up boot: sdram parameters from flash 19 gpio7 md_a4 down phy mode: phy address 0x0 8 20 gpio8 mp_sel up host: mac mode 22 gpio10 bm_sel up boot: firmware from flash 49 phy_clk duplex up phy mode: full duplex boot / run options the bm_sel strap is used to determine the source of the boot code for the embedded arm processor. similarly, the cfg_s el strap is used to determine the source of the ddr memory configuration. the encodings for these two signals is shown in the following table. bm sel cfg sel meaning 0 0 not supporte d 0 1 not supported 1 0 not supported 1 1 load ddr configuration and boot code from flash .
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 16 ] led and push - button strapping figure 1 led strapping for gpio pull - down figure 2 led strapping for gpio pull - up figure 3 push - button strapping for gpio pull - down figure 4 push - but ton strapping for gpio pull - up
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 17 ] general specifications symbol parameter test conditions min max units vdd supply voltage [ 1 ] 3.0 3.6 v vil low - l evel input voltage 0.8 v vih high - level input voltage 2.0 v vol low - level output voltage iol = 4 ma, 12 ma [2] 0.4 v voh high - level output voltage ioh = - 4 ma, - 12 ma [3] 2.4 v iil low - level input current vi = gnd - 1 a iih high - level input current vi = 3.3 v 1 a ioz high - impedance output current gnd < vi < 3.3 v - 1 +1 a top operating temperature range - 40 +85 c [1] a typical supply current, assuming a nominal operation of 50% transmit a nd 50% receive duty cycle, is 77 0 ma. [2] iol=12 ma for all gpios. iol = 4 ma for all other digital interfaces. [3] ioh = - 12 ma for all gpios. ioh = - 4 ma for all other digital interfaces. 0804 - 5000 - 18/ 24 to 0804 - 5000 ? 51 compatibility the 0804 - 5000 ? 51 sip has been designed to be backward c ompatible with the existing 0804 - 5000 - 18/ 24 within the limits of the chipset utilized. as such there are a few minor limitations and full product testing should be conducted following an upgrade. ? the maximum ethernet data rate will be 10/100mbits as the 0804 - 5000 ? 51 utilizes the slower mii interface. not all mii phys have been tested so careful consideration should be made in regards to track lengths. ? to ensure correct operation any pull up/downs gpio straps should be changed from 10 k to 3.3 k. design notes fol low below table for unused signal lines: gpio[11:0] phy_clk phy_rst# mrx_err col crs zc_in action if signal not used ? ? ? leave unconnected ? ? ? pull down by 10k resistor ? pull up by 10k resistor special attention must be made to th e rgmii interf ace lines on the 0804 - 5000 ? 50 . the rgmii interface uses 12 high speed data (125 mhz ddr) lines, control and clock signals, care must be tak en to ensure signal integrity. the electrical lengths of the traces are divided into two match groups. group 1 group 2 txc rxc tx_ctl rx_ctl td[3:0] rd[3:0] within each match group the maximum trace length should be less than 2 inches (50 mm) and the electrical length must match within 5%. these signals where possible should be routed on internal laye rs. in mii mode (0805 - 5000 ? 51) the maximum data rate is 25 mhz, so although signal integrity is important it is not as critical as that of rgmii.
powerline modules 500mbps module tech help @ belf .com belfuse.com [ 18 ] mechanical horizontal mount - industrial temperature with heatsink

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