Integrated Usb, I2C X 2, 5V (Cn19); Rs-232 Port (Cn21); Gpio Port (Cn22) - Asus AAEON RICO-3399 User Manual

2.4.19
Integrated USB, I2C x 2, 5V
Pin Definition
1 I2C4_CLK
2 I2C4_DATA
3 GND
4 +5V
5 USB1_D+
2.4.21

RS-232 Port (CN21)

Pin Definition
1 DCD
2 RX
3 TX
4 DTR
5 GND
2.4.22

GPIO Port (CN22)

Pin Definition
1 GPO0
2 GPI0
3 GPO1
4 GPI1
5 GPO2
Chapter 2 – Hardware Information
(CN19)
Pin Definition
6 USB1_D-
7 I2C3_CLK
8 I2C3_DATA
9 NFC_DFU
Pin Definition
6 DSR
7 RTS
8 CTS
9 Vout (refer to JP3)
Pin Definition
6 GPI2
7 GPO3
8 GPI3
9 +3.3V
10 GND
16