PCIe 接口 引脚定义 一览表-PCIe.U2.M2.xls

针脚号定义 B 说明定义 A 说明 1 12V 12V电压PRSNT1 热拔插存在检测 2 12V 12V电压 12V 12V电压 3 12V 12V电压 12V 12V电压 4GND地GND地 5SMCLK系统管理总线时钟JTAG2测试时钟 TCK 6SMDAT系统管理总线数据JTAG3测试数据输入 TDI 7GND地JTAG4测试数据输出 TDO 8 3 3V 3 3V电压JTAG5测试模式选择 TMS 9JTAG1测试复位 TRST 3 3V 3 3V电压 103 3VAUX辅助电源 3 3V 3 3V电压 11WAKE 链接激活信号PERST 电源准备好信号 12RSVD保留针脚GND地 x1带宽 模式 x4带宽 模式 13GND地REFCLK 差分信号对参考时钟 14HSOp 0 0号信道发送差分信号 对 REFCLK 15HSOn 0 GND地 16GND地HSIp 0 0号信道接收差分信号 对17PRSNT2 热热拔拔插插存存在在检检测测HSIn 0 18GND地GND地 19HSOp 1 RSVD 20HSOn 1 GND 21GNDHSIp 1 22GNGHSIn 1 23HSOp 2 GND 24HSOn 2 GND 25GNDHSIp 2 26GNGHSIn 2 27HSOp 3 GND 28HSOn 3 GND 29GNDHSIp 3 30RSVDHSIn 3 31PRSNT2 热热拔拔插插存存在在检检测测GND 32GNGRSVD 33HSOp 4 RSVD 34HSOn 4 GND 35GNDHSIp 4 36GNDHSIn 4 37HSOp 5 GND 38HSOn 5 GND 39GNDHSIp 5 40GNDHSIn 5 41HSOp 6 GND 42HSOn 6 GND 43GNDHSIp 6 44GNDHSIn 6 45HSOp 7 GND 46HSOn 7 GND 47GNDHSIp 7 48PRSNT2 热热拔拔插插存存在在检检测测HSIn 7 49GNDGND 50HSOp 8 RSVD 51HSOn 8 GND 52GNDHSIp 8 53GNDHSIn 8 54HSOp 9 GND 55HSOn 9 GND 56GNDHSIp 9 57GNDHSIn 9 58HSOp 10 GND 59HSOn 10 GND 60GNDHSIp 10 61GNDHSIn 10 62HSOp 11 GND 63HSOn 11 GND 64GNDHSIp 11 65GNDHSIn 11 66HSOp 12 GND 67HSOn 12 GND 68GNDHSIp 12 69GNDHSIn 12 70HSOp 13 GND 71HSOn 13 GND 72GNDHSIp 13 73GNDHSIn 13 74HSOp 14 GND 75HSOn 14 GND 76GNDHSIp 14 77GNDHSIn 14 78HSOp 15 GND 79HSOn 15 GND 80GNDHSIp 15 81PRSN