Table 4-1 GPIO Allocation
sys
dts
i2c0-4
i2c0-4
i2c0-4
i2c0-4
ttyS1
Uart1
Spidev1.0-7.0
SPI0-6
Spidev1.0-7.0
SPI0-6
Spidev1.0-7.0
SPI0-6
52
ttyS3
Uart3
Spidev1.0-7.0
SPI0-6
ttyS2
Uart2
ptc
papower-gpio 39
ptc
i2srx_3ch
ptc
23
GPIO
Pin Name
Num
N/A
+3.3V
58
GPIO58 (I2C SDA)
57
GPIO57 (I2C SCL)
55
GPIO55* (UART CTS) 7
N/A
GND
42
GPIO42 (SPI TX)
43
GPIO43 (SPI RX)
47
GPIO47 (SPI CLK)
N/A
+3.3V
52
GPIO52
53
GPIO53* (UART TX)
48
GPIO48 (SPI CS)
N/A
GND
45
GPIO45* (UART TX)
37
GPIO37 (PWM CH3)
GPIO39* (PA_EN_H) 31
59
GPIO59 (PWM CH2)
63
GPIO63* (I2S LRCLK) 35
60
GPIO60 (PWM CH1)
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Pin
Pin
Pin Name
Num
Num
1
2
+5V
3
4
+5V
5
6
GND
8
GPIO41 (UART RTS)
9
10
GPIO33* (MIPI_EDP_BL) 33
11
12
GPIO38* (I2C SCLK)
13
14
GND
15
16
GPIO54* (UART TX)
17
18
GPIO51 (UART CTS)
19
20
GND
21
22
GPIO50 (UART RX)
23
24
GPIO49 (UART TX)
25
26
GPIO56* (UART CTS)
27
28
GPIO40
29
30
GND
32
GPIO46* (UART RX)
33
34
GND
36
GPIO36 (PWM CH0)
37
38
GPIO61* (I2S RX)
| 4 - Reference
GPIO
dts
sys
Num
N/A
N/A
N/A
41
uart4/5
ttyS4/5
pwm-gpio 33
38
i2srx_3ch
38
N/A
54
uart1
ttyS5
51
uart4/5
ttyS4/5
N/A
50
uart4/5
ttyS4/5
49
uart4/5
ttyS4/5
56
uart1
ttyS1
40
40
N/A
46
uart2
ttyS2
N/A
36
ptc
61
i2srx_3ch
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