Asus Aaeon UP Xtreme UPX-WHL01 User Manual page 37

Pin
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Note: Open-drain I2C bus. Needs the pullup resistors to external 3.3V.
Chapter 2 – Hardware Information
Signal
GPIO20
GPIO8/SPI_1_CLK
GPIO21/SPI_1_FSO
GND
GPIO22/SPI_1_FS1
GPIO9/I2C0_SDA
GPIO23/I2C0_SCL
GPIO10
GND
GPIO11
GPIO24
GPIO12
GND
GPIO13/I2S_WS_SYNC
GPIO25/UART_CTS
GPIO14
GPIO26/I2S_SDI
GND
GPIO27/I2S_SDO
BIOS
GPIO21
GPIO9
GPIO22
GPIO23
GPIO10
GPIO24
GPIO11
GPIO12
GPIO25
GPIO13
GPIO14
GPIO26
GPIO15
GPIO27
GPIO28
25