QY-RK3288S
Hardware Manual
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J31: 2*6 GPIO
Signal Name
PIN
PIN
Signal Name
GPIO5_B2_U
1
2
GPIO5_B3_U
GPIO5_B4_U
3
4
GPIO5_B5_U
GPIO5_C0_U
5
6
GPIO5_C1_U
GPIO5_C2_U
7
8
GPIO5_C3_U
GPIO8_A0_U
9
10
GPIO8_A1_U
GPIO8_A2_U
11
12
GPIO8_A3_U
GND
13
14
GND
J35: KEYIO interface
PIN
Signal Name
1
SWLED_PWR
2
KEY_IO
3
GND
J40: UART3 (3Pin RS232)
PIN
Signal Name
1
COM3_TXD
2
COM3_RXD
3
GND
J41: UART1 (3Pin RS232)
PIN
Signal Name
1
COM1_TXD
