User's Manual

[Unex] - Ver. 1.13- 20170307 spec. P. 7
FUNCTION Signal Pin
Number
Signal FUNCTION
6~40V *a VCC 2 1 Module_EN Float this pin (internally conn. to
VCC), or use it *b
6~40V *a VCC 4 3 GND VSS
VSS GND 6 5 ETH_PHY_RESET_L Ethernet Reset
CAN0_Physical CAN0_H 8 7 Reset_n Reset_n: "0" then "1" to Reset
Dsrc module.
CAN0_L 10 9 SPI1_SCLK SPI1(default for uSD socket
connection)
CAN1_Digital CAN1_TXD 12 11 SPI1_TXD
CAN1_RXD 14 13 SPI1_RXD
Default HCI(RMII) RMII_MDC 16 15 SPI1_FRAME
RMII_MDIO 18 17 GND VSS
GND GND 20 19 I2C_SDA I²C Master(for I²C sensors, GPIO
expander, etc...)
Default HCI(RMII)
Noted: RXER could become
I2S_BCLK(GPIO20)
RMII_RXDV 22 21 I2C_SCL
RMII_RXER/I2S_BCLK 24 23 GND VSS
RMII_ERX0 26 25 SPI0_SCLK SPI0
RMII_ERX1 28 27 SPI0_TXD
RMII_CLK 30 29 SPI0_RXD
RMII_ETX1 32 31 SPI0_FRAME
RMII_ETX0 34 33 GND VSS
RMII_TXEN 36 35 PPS GNSS PPS signal
VSS GND 38 37 GPIO30 GPIO30: default for uSD CS pin)
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