Product Name
EK-AI7931HD
Version
A
Doc No
912-13302
Date
2021/12/07
Page
15 / 20
PRODUCT USER GUIDE
www.acsip.com.tw
Table 4 GPIO pin-out extension connector
Signa Name
Connector Pin Number
Signal Name
Connector Pin Number
GPIO_0
Reserve for flash
GPIO_15
TP2
GPIO_1
Reserve for flash
GPIO_16
TP1
GPIO_2
Reserve for flash
GPIO_17
Reserve for UART0
GPIO_3
Reserve for flash
GPIO_18
Reserve for UART0
GPIO_4
Reserve for flash
GPIO_19
CON4 – 10
GPIO_5
Reserve for flash
GPIO_20
CON4 – 11
GPIO_6
CON4 – 6
GPIO_21
CON4 – 14
GPIO_7
CON4 – 3
GPIO_22
CON4 – 15
GPIO_8
CON4 – 8
GPIO_23
Reserve for DSP UART
GPIO_9
CON4 – 9
GPIO_24
Reserve for DSP UART
GPIO_10
CON4 – 1
GPIO_42
Reserve for UART1
GPIO_11
CON4 – 2
GPIO_44
Reserve for UART1
GPIO_12
CON4 – 13
GPIO_48
Reserve for CM33 UART
GPIO_13
Reserve for ANT switch
GPIO_50
Reserve for CM33 UART
GPIO_14
Reserve for audio mute
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