TIDP83TC811S－Q1带以太网和CAN汽车网关参考设计

1、ti dp83tc811sqi带以太网和can汽车网关参考设计ti公司的dp83tc811s-q1是低功耗汽车phy 100base-t1以太网物理层收发器，和 100base-t1 - ieee 802.3bw兼容，和aec-q100汽车规范兼容，提供通过非屏蔽单根双绞 缆线发送和接收数据所需的所有物理层功能，支持标准mii,rmii, rgmii和sgmii mac接口 以及ieee 1588 sfd,可配置i/o电压3.3v,2.5v和1.8v,器件工作温度-40°c到+125°c，主 要用在骨干网，网关和车体控制以及信息娱乐系统本文介绍了 dp83tc811s-q1

2、主要特性, 功能框图，简化屯路图和多种应用电路，以及带以太网和can的汽车网关参考设计 tida-01425主要特性和系统指标，框图，电路图和材料清单.the dp83tc811s-q1 device is an ieee 802.3bwcompliantautomotive phy ter ether net physicallayer transceiver. it provides all physical layerf un ctions n eeded to transmit and receive data overunshielded single twisted-pair ca

3、bles the deviceprovides xmh flexibility with support for standard mii,rmii, rgmii, and sgmii mac interfaces.this device in eludes the diag no stic tool kit,providing an extensive list of real-time monitori ngtools, debug tools and test modes. within the tool kitis the first in teg rated electrostati

4、c discharge (esd)monitoring tool. it is capable of counting esd eventson both the xmh and mdi as well as providing realtimemonitoring through the use of a programmableinterrupt. additi on ally, the dp83tc811s-q1 in cludesa pseudo random binary sequence (prbs)framegeneration tool, which is fully comp

5、atible with internal loopbacks, to transmit and receive data without theuse of a mac. the dp83tc811s-q1 is housed in a6.00-mm x 6.00-mm, 36-pin vqfn wettable flankpackagedp83tc811s-q1 主要特性: 100base-t1 - ieee 802.3bw compliant- open alliance qualified-interoperable with broadr-reach and100base-t1 phy

6、s aec-q100 qualified for automotive applications:一 device temperature grade 1: -40°c to +125"c ambient operating temperature一 device hbm esd classification level 3a一 device cdm esd classification level c5 foraii pins except pin 5一 device cdm esd classification level c3 forpin 5一 device iec

7、61000-4-2 esd classification level4 for pins 12 and 13: ±8-kv contactdischarge mac interfaces: mil, rmii, rgmii a nd sgmii vqfn, wettable flank packaging ieee 1588 sfd support low transmit and receive latency for avb/tsn low active power operation: < 230 mw configurable i/o voltages: 3.3 v,2

8、.5 v, and 1.8 v power savings features:一 sleep, standby and disable-wake-on-lan (wol) diag no stic tool kit-signal quality indication (sqi)-time domain reflectometry (tdr)一 electrostatic discharge sensor一 voltage sensor一 temperature sensor一 prbs built-in self-testdp83tc811s-q1 应用： backbone networks

9、gateway and body control telematics图1.dp83tc811s-q1简化电路图1040xy t >015 a orujxy 1 aolsoso t olkrxl nujlxl itx dataitxclk4>rx.clk1rx datar<1milphy control1c0base-ti10gbase-t1pcs-rx100base-t1*l4i1006ase-t1pma-txpma-rxtransmit blockreceive bkxkbistcawe diagnostcsleddnwrtrd±leds图2.dp83tc811

10、s-q1功能框图hfedia arcess cxxitrolertx.clxtxjxsro tx.enrxclk rxdpxjr>cdvdp83tc811mdiomdcen wake imtffl3.dp83tc811s-q1 典型应用图(mil)dchtedd access ccrnroiefrm l reference cbckvuviutxjxwtx.e 科rx_d1 0crs.dvdp83tcai1mdiomdcen wakeintcmc(optkzaiitem)n3borr>moi couplingtro.ptrd.nesosd"50-mm2referencec

11、tocks4.dp83tc811s-q1 典型应用图(rmii 从)2 /en wakewtrx_d3<5gmhz)rx-d(蚀crs-dvop83tcs11md»omdctro-ptrd.noc ex boe* mg<-reference cg图5.dp83tc811s-q1典型应用图(rmii主)mk>q access contra*txjxk 1xjx30 tx entro.ptrd.nrxjxkrx35rx-dvdpwtcs11memomoclpfesdcmc吒眄。rcornedor十(opoonai) (epochal) en waxe -int0.1 p

12、fty pii*0.1 mf iltx_mrx pir0.1 ufil 1trd.ptrd.n*11|01pfmodui access coritioflcfiivdoio t 彳mdtf)dpfistcfillmdcpmtnimt图 6.dp83tc811s-q1 典型应用图(rgmii)图 7.dp83tc811s-q1 典型应用图(sgmii)带以太网和can的汽车网关参考设计tida-01425the tida-01425 is a subsystem ref ere nee desig n for automotive gateways focused on in creasing

13、bandwidth and processing power in gateway applicati ons. the design implements ethernet physical layer tran sceivers (phys) for in creased ban dwidth along with an automotive processor for greater processing capabilities allowing automotive gateways to pass more data at higher speeds. furthermore, t

14、he design offers a starting point for a full automotive gateway design with a full power tree, can phys, and components selected with automotive requirements and emission specifications in mind to simplify the design process汽车网关参考设计tida-01425主要特性： processor-based system ieee 802.3bw 100base-t1 ether

15、net phy ieee 802.u 100base-tx ethernet phy can phy designed to operate through cold crank, jumpstart, and load dump reverse battery protection reduced emi power stages汽车网关参考设计tida-01425应用： automotive gateways multi-function bcm with gatewayi b h 9*14 n > i f i吋 nf *i b :言一沪图8.汽车网关参考设计tida-01425外形

16、图汽车网关参考设计tida-01425主要系统指标:parametercommentsmintypmaxunitjop«ql>onal mpot 心押 from the aulomotrve botioty41224vvh sunnvabdifyinput voltage system can survive but not operate-4242voperational input current0 144 (24 v j0.2860 744 (4 1 vate<np«<3tureoperating temperature-409105xcw buck

17、buck converter switching frequencyl852.1235mhzf* boostboost converter switching frequency3538mhzethernet communication $pwd100m6/$can speedscan communk：3t>on speed1m8/sasx，1ts»pc«»*5x3 itoctm*” v k,n 匚 c.l82lw12x411 owe svsf jnd dul jmtpssircnai dorwymieoxuafcdce>*'>ci o&

18、gt;a s>r rmumvk>adof5© vt4 £4m-w： mtax m car»«*ore2 325 vt-rvm3unr弓ent<： aw y«<arrmr«icwrrmgaww4xt 忙cc心mt p?fr ?>vo«a;qspiusi vfum:胡斗>tcamn2o cawhfmccgcamr>w冏 irrenry图9汽车网关参考设计tida-01425框图图10汽车网关参考设计tida-01425电路图ftlfl零4 r4=v r* jjt图11汽车网关参考设u t

19、ida-01425电路图(2)il參鬆兰寒r二誉鬆二 pfli二莺驾二110-1euh图13.汽车网关参考设i|- tida-01425电路图(4)言三三=s三三=ph图15.汽车网关参考设计tida-01425电路图(6)f 二一出二tf上mc2a/ln込1工:丄厂上既片上lszmb_ «图17.汽车网关参考设计tida-01425电路图(8)图19.汽车网关参考设计tida-01425电路图(10)运:-=亠-=法2=.i汽车网关参考设计tida-01425材料清单:00111201* imwpvtca-c14jstida-01425 rev e1 bill of materia

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