odroid-m1:hardware:expansion_connectors

Expansion Connectors

The ODROID-M1 provides 40-pin dual row expansion header “J1”.
The location and pinout of these connectors are illustrated below. (Board Revision 1.0 : 2021/11/12)
All signals on the expansion headers are 3.3V except for the analog input signal.

Default Pin State GPIO & Export No Net Name Pin Number Pin Number Net Name GPIO & Export No Default Pin State
- - 3.3V 1 2 5.0V - -
I(P/D) GPIO3B.6 (#110) I2C0_SDA 3 4 5.0V - -
I(P/U) GPIO3B.5 (#109) I2C0_SCL 5 6 GND - -
I(P/D) GPIO0B.6 (#14) 7 8 UART1_TX GPIO3D.6 (#126) I(P/U)
- - GND 9 10 UART1_RX GPIO3D.7 (#127) I(P/U)
I(P/U) GPIO0C.0 (#16) UART0_RX 11 12 GPIO3D.0 (#120) I(P/U)
I(P/U) GPIO0C.1 (#17) UART0_TX 13 14 GND - -
I(P/U) GPIO3B.2 (#106) 15 16 GPIO3C.6 (#118) I(P/U)
- - 3.3V 17 18 GPIO3C.7 (#119) I(P/U)
I(P/U) GPIO2D.1 (#89) SPI0_MOSI 19 20 GND - -
I(P/U) GPIO2D.0 (#88) SPI0_MISO 21 22 GPIO3D.1 (#121) I(P/U)
I(P/U) GPIO2D.3 (#91) SPI0_SCLK 23 24 SPI0_CS0 GPIO2D.2 (#90) I(P/U)
- - GND 25 26 GPIO3D.2 (#122) I(P/D)
I(P/U) GPIO0B.4 (#12) I2C1_SDA 27 28 I2C1_SCL GPIO0B.3 (#11) I(P/U)
I(P/U) GPIO4C.1 (#145) UART1_CTS 29 30 GND - -
I(P/U) GPIO4B.6 (#142) UART1_RTS 31 32 GPIO3D.3 (#123) I(P/D)
I(P/U) GPIO0B.5 (#13) 33 34 GND - -
I(P/D) GPIO3D.5 (#125) 35 36 GPIO3D.4 (#124) -
ADC.AIN1 37 38 REF 1.8V
- - GND 39 40 ADC.AIN0

GPIO Map for WiringPi Library

GPIO WiringPi Name Mode Initial Level Header Pin Header Pin Initial Level Mode Name WiringPi GPIO
3.3V 1 2 5v
110 8 I2C.SDA0 IN 1 3 4 5v
109 9 I2C.SCL0 IN 1 5 6 GND
14 7 GPIO.14 IN 1 7 8 1 IN TxD1 15 126
GND 9 10 1 IN TxR1 16 127
16 0 GPIO.16 IN 1 11 12 1 IN GPIO.120 1 120
17 2 GPIO.17 IN 1 13 14 GND
106 3 GPIO.106 IN 1 15 16 1 IN GPIO.118 4 118
3.3v 17 18 1 IN GPIO.119 5 119
89 12 SPIO_MOSI IN 1 19 20 GND
88 13 SPIO_MISO IN 1 21 22 1 IN GPIO.121 6 121
91 14 SPI_CLK IN 1 23 24 1 IN SPI_CE0 10 90
GND 25 26 1 IN GPIO.122 11 122
12 30 I2C.SDA1 IN 1 27 28 1 IN I2C_.SCL1 31 11
145 21 GPIO.145 IN 1 29 30 GND
142 22 GPIO.142 IN 1 31 32 0 IN GPIO.123 26 123
13 23 GPIO.13 IN 0 33 34 GND
125 24 GPIO.125 IN 0 35 36 1 OUT GPIO.124 27 124
25 AIN.2 37 38 1.8V 28
GND 39 40 AIN.0 29
  • odroid-m1/hardware/expansion_connectors.txt
  • Last modified: 2022/03/29 11:15
  • by luke.go