
10 Interfaces
3.17 SMARC Interface Signals
Table 3-2 provides the pin signals for the SMARC P-S connector. Refer to the SMARC specifica-
tion at http://www.sget.org/standards/smarc.html
for definitions of the SMARC signals.
Table 3-2: SMARC P-S Connector (GF1) Signal Descriptions
Pin # Primary (Top Side) Pin # Secondary (Bottom Side)
S1 Not connected
P1 Not connected S2 Not connected
P2 GND S3 GND
P3 CSI1_CK+ S4 Not connected
P4 CSI1_CK- S5 I2C_CAM_CK
P5 Not connected S6 Not connected
P6 Not connected S7 I2C_CAM_DAT
P7 CSI1_D0+ S8 CSI0_CK+
P8 CSI1_D0- S9 CSI0_CK-
P9 GND S10 GND
P10 CSI1_D1+ S11 CSI0_D0+
P11 CSI1_D1- S12 CSI0_D0-
P12 GND S13 GND
P13 CSI1_D2+ S14 Not connected
P14 CSI1_D2- S15 Not connected
P15 GND S16 GND
P16 CSI1_D3+ S17 Not connected
P17 CSI1_D3 S18 Not connected
P18 GND S19 Not connected
P19 GBE_MDI3- S20 Not connected
P20 GBE_MDI3+ S21 Not connected
P21 GBE_LINK100# (Ethernet Speed
LED)
S22 Not connected
P22 GBE_LINK1000# (Ethernet Speed
LED)
S23 Not connected
P23 GBE_MDI2- S24 Not connected
P24 GBE_MDI2+ S25 GND
P25 GBE_LINK_ACT# (LAN Link LED) S26 SDMMC_D0
P26 GBE_MDI1- S27 SDMMC_D1
P27 GBE_MDI1+ S28 SDMMC_D2
P28 GBE_CTREF S29 SDMMC_D3
P29 GBE0_MDI0- S30 SDMMC_D4
P30 GBE0_MDI0+ S31 SDMMC_D5
P31 Not connected S32 SDMMC_D6
P32
GND
S33 SDMMC_D7
P33 SDIO_WP S34 GND
P34 SDIO_CMD S35 SDMMC_CK
P35 SDIO_CD# S36 SDMMC_CMD
P36 SDIO_CK S37 SDMMC_RST#
P37 SDIO_PWR_EN S38 Not connected
P38 GND S39 I2S0_LRCK
P39 SDIO_D0 S40 I2S0_SDOUT
P40 SDIO_D1 S41 I2S0_SDIN
P41 SDIO_D2 S42 I2S0_CK
P42 SDIO_D3 S43 Not connected
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