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20
User Guide
COMe-bP5020
B28..
B30
N/C N/C
B31 GND PWR PWR
B32 N/C
B33 I2C_CK I2C O-3.3 PU 1k 3.3V I2C[4] Bus on CPU
B34 I2C_DAT I2C I/O-3.3 PU 1k 3.3V I2C[4] Bus on CPU
B35 Reserved leave unconnected
B36 DMA2_DREQ0# DMA I-3.3 series resistor 0R, PU 4,7 3.3V leave open if not needed
B37 DMA1_DDONE0# DMA O-3.3 series resistor 0R leave open if not needed
B38 USB4_OC# USB I-3.3 PU
B39 DMA1_DACK0# DMA O-3.3 series resistor 0R leave open if not needed
B40 DMA1_DREQ0# DMA I-3.3 series resistor 0R, PU 4,7 3.3V leave open if not needed
B41 GND PWR PWR
B42 USB3- USB DP-I/O
B43 USB3+ USB DP-I/O
B44 USB_0_1_OC# USB I-3.3 PU
B45 USB1- USB DP-I/O
B46 USB1+ USB DP-I/O
B47 EXCD0_PERST# EXP CARD O-3.3
B48 EXCD0_CPPE# EXP CARD I-3.3 PU 10k 3.3V
B49 SYS_RESET# BOARD CTRL I-3.3 PU 10k 3.3V
B50 CB_RESET# BOARD CTRL O-3.3
B51 GND PWR PWR
B52 SERDES_RX5+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1F
B53 SERDES_RX5- SERDES DP-I AC coupled on module (100n) SerDes Bank 1F
B54 SD_CMD SDIO O-3.3 PU 4k7 3.3V
B55 SERDES_RX4+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1E
B56 SERDES_RX4- SERDES DP-I AC coupled on module (100n) SerDes Bank 1E
B57 SD_WP SDIO I-3.3 PU 4k7 3.3V
B58 SERDES_RX3+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1D
B59 SERDES_RX3- SERDES DP-I AC coupled on module (100n) SerDes Bank 1D
B60 GND PWR PWR
B61 SERDES_RX2+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1C
B62 SERDES_RX2- SERDES DP-I AC coupled on module (100n) SerDes Bank 1C
B63 SD_CD# SDIO I-3.3 PU 4k7 3.3V
B64 SERDES_RX1+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1B
B65 SERDES_RX1- SERDES DP-I AC coupled on module (100n) SerDes Bank 1B
B66 WAKE0# MISC I-3.3 PU 10k 3.3V for use as interrupt input
B67 WAKE1# MISC I-3.3 PU 10k 3.3V for use as interrupt input
B68 SERDES_RX0+ SERDES DP-I AC coupled on module (100n) SerDes Bank 1A
B69 SERDES_RX0- SERDES DP-I AC coupled on module (100n) SerDes Bank 1A
B70 GND PWR PWR
B71..
B79
N/C N/C
B80 GND PWR PWR
Table 5: Connector J1 Row B Pinout (cont’d)
PIN SIGNAL
SIGNAL
GROUP
TYPE TERMINATION COMMENT
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