'ODROID-N2' on this page refers to the ODROID-N2 series (N2, N2+, N2L).
Enhancement of GPIO Pins
The ODROID Boards provide GPIO pin headers that you can easily use.
Easy to Use
Check this document to know deployment of the pin map and its export GPIO numbers.
ODROID-C1
J2 - 2x20 PINS
| GPIO | wPi | Name | Alternative/ Driving Capability | Mode | V | PU/PD | PIN | PIN | PU/PD | V | Mode | Alternative/ Driving Capability | Name | wPi | GPIO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | 3.3V | - | - | - | - | 1 | 2 | - | - | - | - | 5.0V | - | - |
| 74 | - | I2CA_SDA | - | IN | 1 | - | 3 | 4 | - | - | - | - | 5.0V | - | - |
| 75 | - | I2CA_SCL | - | IN | 1 | - | 5 | 6 | - | - | - | - | GND | - | - |
| 83 | 7 | GPIOY.3 | -/2mA | IN | 0 | P/U | 7 | 8 | P/U | 1 | ALT1 | - | GPIOX.16 | - | 113 |
| - | - | GND | - | - | - | - | 9 | 10 | P/U | 1 | ALT1 | - | GPIOX.17 | - | 114 |
| 88 | 0 | GPIOY.8 | -/3mA | IN | 1 | P/U | 11 | 12 | P/U | 0 | IN | -/2mA | GPIOY.7 | 1 | 87 |
| 116 | 2 | GPIOX.19 | -/2mA | IN | 1 | P/U | 13 | 14 | - | - | - | - | GND | - | - |
| 115 | 3 | GPIOX.18 | -/2mA | IN | 0 | P/D | 15 | 16 | P/U | 1 | IN | -/3mA | GPIOX.7 | 4 | 104 |
| - | - | 3.3V | - | - | - | - | 17 | 18 | P/U | 1 | IN | -/3mA | GPIOX.5 | 5 | 102 |
| 107 | 12 | GPIOX.10 | PWM1/2mA | IN | 1 | P/U | 19 | 20 | - | - | - | - | GND | - | - |
| 106 | 13 | GPIOX.9 | -/3mA | IN | 1 | P/U | 21 | 22 | P/U | 1 | IN | -/3mA | GPIOX.6 | 6 | 103 |
| 105 | 14 | GPIOX.8 | -/4mA | IN | 1 | P/U | 23 | 24 | P/D | 0 | IN | -/2mA | GPIOX.20 | 10 | 117 |
| - | - | GND | - | - | - | - | 25 | 26 | P/U | 1 | IN | - | GPIOX.21 | 11 | 118 |
| 76 | - | I2CB_SDA | - | IN | 1 | - | 27 | 28 | - | 1 | IN | - | I2CB_SCL | - | 77 |
| 101 | 21 | GPIOX.4 | -/3mA | IN | 1 | P/U | 29 | 30 | - | - | - | - | GND | - | - |
| 100 | 22 | GPIOX.3 | -/3mA | IN | 1 | P/U | 31 | 32 | P/U | 1 | IN | -/3mA | GPIOX.2 | 26 | 99 |
| 108 | 23 | GPIOX.11 | PWM0/3mA | IN | 0 | P/D | 33 | 34 | - | - | - | - | GND | - | - |
| 97 | 24 | GPIOX.0 | -/3mA | IN | 1 | P/U | 35 | 36 | P/U | 1 | IN | -/3mA | GPIOX.1 | 27 | 98 |
| - | - | ADC.AIN0 | 10bit ADC#1(0~1.8V) | - | - | - | 37 | 38 | - | - | - | Output! | 1.8V REF | - | - |
| - | - | GND | - | - | - | - | 39 | 40 | - | - | - | 10bit ADC#0 (0~1.8V) | ADC.AIN1 | - | - |
ODROID-C2
J2 - 2x20 PINS
| GPIO | wPi | Name | Alternative | Mode | V | PU/PD | PIN | PIN | PU/PD | V | Mode | Alternative | Name | wPi | GPIO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | 3.3V | - | - | - | - | 1 | 2 | - | - | - | - | 5.0V | - | - |
| 205 | - | I2CA_SDA | - | IN | 1 | - | 3 | 4 | - | - | - | - | 5.0V | - | - |
| 206 | - | I2CA_SCL | - | IN | 1 | - | 5 | 6 | - | - | - | - | GND | - | - |
| 249 | 7 | GPIOX.21 | - | IN | 1 | P/U | 7 | 8 | P/U | 1 | ALT2 | /dev/ttyS1 | TXD1 | - | 240 |
| - | - | GND | - | - | - | - | 9 | 10 | P/U | 1 | ALT2 | /dev/ttyS1 | RXD1 | - | 241 |
| 247 | 0 | GPIOX.19 | - | IN | 1 | P/U | 11 | 12 | P/D | 0 | IN | - | GPIOX.10 | 1 | 238 |
| 239 | 2 | GPIOX.11 | - | IN | 1 | P/U | 13 | 14 | - | - | - | - | GND | - | - |
| 237 | 3 | GPIOX.9 | - | IN | 1 | P/U | 15 | 16 | P/U | 1 | IN | - | GPIOX.8 | 4 | 236 |
| - | - | 3.3V | - | - | - | - | 17 | 18 | P/U | 1 | IN | - | GPIOX.5 | 5 | 233 |
| 235 | 12 | GPIOX.7 | PWM1 | IN | 1 | P/U | 19 | 20 | - | - | - | - | GND | - | - |
| 232 | 13 | GPIOX.4 | - | IN | 1 | P/U | 21 | 22 | P/U | 1 | IN | - | GPIOX.3 | 6 | 231 |
| 230 | 14 | GPIOX.2 | - | IN | 1 | P/U | 23 | 24 | P/U | 1 | IN | - | GPIOX.1 | 10 | 229 |
| - | - | GND | - | - | - | - | 25 | 26 | P/D | 0 | IN | - | GPIOY.14 | 11 | 225 |
| 207 | - | I2CB_SDA | - | IN | 1 | - | 27 | 28 | - | 1 | IN | - | I2CB_SCL | - | 208 |
| 228 | 21 | GPIOX.0 | - | IN | 1 | P/U | 29 | 30 | - | - | - | - | GND | - | - |
| 219 | 22 | GPIOY.8 | - | IN | 1 | P/U | 31 | 32 | P/U | 1 | IN | - | GPIOY.13 | 26 | 224 |
| 234 | 23 | GPIOX.6 | PWM0 | IN | 0 | P/D | 33 | 34 | - | - | - | - | GND | - | - |
| 214 | 24 | GPIOY.3 | - | IN | 1 | P/U | 35 | 36 | P/U | 1 | IN | - | GPIOY.7 | 27 | 218 |
| - | - | ADC.AIN1 | 10bit ADC (0~1.8V) | - | - | - | 37 | 38 | - | - | - | - | 1.8V REF | - | - |
| - | - | GND | - | - | - | - | 39 | 40 | - | - | - | 10bit ADC(00~1.8V) | ADC.AIN0 | - | - |
ODROID-C4
J2 - 2x20 PINS
| 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) | GPIOX.17 (#493) | I2C0_SDA | 3 | 4 | 5.0V | - | - |
| I(P/U) | GPIOX.18 (#494) | I2C0_SCL | 5 | 6 | GND | - | - |
| I(P/D) | GPIOX.5 (#481) | PWM_C | 7 | 8 | TXD1 | GPIOX.12 (#488) | I(P/U) |
| - | - | GND | 9 | 10 | RXD1 | GPIOX.13 (#489) | I(P/U) |
| I(P/U) | GPIOX.3 (#479) | PWM_D | 11 | 12 | PWM_E | GPIOX.16 (#492) | I(P/U) |
| I(P/U) | GPIOX.4 (#480) | 13 | 14 | GND | - | - | |
| I(P/U) | GPIOX.7 (#483) | PWM_F | 15 | 16 | GPIOX.0 (#476) | I(P/U) | |
| - | - | 3.3V | 17 | 18 | GPIOX.1 (#477) | I(P/U) | |
| I(P/U) | GPIOX.8 (#484) | SPI0_MOSI | 19 | 20 | GND | - | - |
| I(P/U) | GPIOX.9 (#485) | SPI0_MISO | 21 | 22 | GPIOX.2 (#478) | I(P/U) | |
| I(P/U) | GPIOX.11 (#487) | SPI0_SCLK | 23 | 24 | SPI0_CS0 | GPIOX.10 (#486) | I(P/U) |
| - | - | GND | 25 | 26 | SPI0_CS1 | GPIOH.6 (#433) | I(P/D) |
| I(P/U) | GPIOA.14 (#474) | I2C1_SDA | 27 | 28 | I2C1_SCL | GPIOA.15 (#475) | I(P/U) |
| I(P/U) | GPIOX.14 (#490) | 29 | 30 | GND | - | - | |
| I(P/U) | GPIOX.15 (#491) | 31 | 32 | GPIOH.7 (#434) | I(P/D) | ||
| I(P/U) | GPIOX.6 (#482) | PWM_A | 33 | 34 | GND | - | - |
| I(P/D) | GPIOX.19 (#495) | PWM_B | 35 | 36 | GPIOH.5 (#432) | - | |
| ADC.AIN2 | 37 | 38 | REF 1.8V | ||||
| - | - | GND | 39 | 40 | ADC.AIN0 |
ODROID-XU4
Expansion Connectors
The XU3/XU4 provides one 30-pin dual row expansion header “CON10”.
The location and pinout of these connectors is illustrated below. All signals on expansion headers are 1.8V except PWRON signal.
CON 10 - 2x15 pins
| Default Pin State | GPIO & Export No | Net Name | Pin Number | Pin Number | Net Name | GPIO & Export No | Default Pin State |
|---|---|---|---|---|---|---|---|
| - | - | 5V0 | 1 | 2 | GND | - | - |
| I | XADC0AIN_0 | ADC_0.AIN0 | 3 | 4 | UART_0.CTSN | GPA0.2 (#173) | I(PUDN) |
| I(PUDN) | GPA0.3 (#174) | UART_0.RTSN | 5 | 6 | UART_0.RXD | GPA0.0 (#171) | I(PUDN) |
| I(PUDN) | GPA2.7 (#192) | SPI_1.MOISI | 7 | 8 | UART_0.TXD | GPA0.1 (#172) | I(PUDN) |
| I(PUDN) | GPA2.6 (#191) | SPI_1.MISO | 9 | 10 | SPI_1.CLK | GPA2.4 (#189) | I(PUDN) |
| I(PUDN) | GPA2.5 (#190) | SPI_1.CSN | 11 | 12 | PWRON | Input Range (1.8V ~ 5V) | I |
| I(PUDN) | GPX1.5 (#21) | XE.INT13 | 13 | 14 | I2C_1.SCL | GPB3.3 (#210) | I(PUDN) |
| I(PUDN) | GPX1.2 (#18) | XE.INT10 | 15 | 16 | I2C_1.SDA | GPB3.2 (#209) | I(PUDN) |
| I(PUDN) | GPX1.6 (#22) | XE.INT14 | 17 | 18 | XE.INT11 | GPX1.3 (#19) | I(PUDN) |
| I(PUDN) | GPX2.6 (#30) | XE.INT22 | 19 | 20 | XE.INT20 | GPX2.4 (#28) | I(PUDN) |
| I(PUDN) | GPX2.5 (#29) | XE.INT21 | 21 | 22 | XE.INT23 | GPX2.7 (#31) | I(PUDN) |
| I | XADC0AIN_3 | ADC_0.AIN3 | 23 | 24 | XE.INT17 | GPX2.1 (#25) | I(PUDN) |
| I(PUDN) | GPX1.7 (#23) | XE.INT15 | 25 | 26 | XE.INT16 | GPX2.0 (#24) | I(PUDN) |
| I(PUDN) | GPX3.1 (#33) | XE.INT25 | 27 | 28 | GND | - | - |
| - | - | VDD_IO(1.8V) | 29 | 30 | GND | - | - |
CON 11 - 2x6 pins
CON11 is available only in XU4 not XU3.
All signals on expansion headers are 1.8V
| Default Pin State | GPIO & Export No | Net Name | Pin Number | Pin Number | Net Name | GPIO & Export No | Default Pin State |
|---|---|---|---|---|---|---|---|
| - | - | 5V0 | 1 | 2 | GND | - | - |
| - | - | VDD_IO(1.8V) | 3 | 4 | I2C_5.SDA | GPA2.2 (#187) | I(PUDN) |
| I(PUDN) | GPX3.2 (#34) | XE.INT26 | 5 | 6 | I2C_5.SCL | GPA2.3 (#188) | I(PUDN) |
| I(PUDN) | GPZ.0 (#225) | I2S_0.SCLK | 7 | 8 | GND | - | - |
| I(PUDN) | GPZ.1 (#226) | I2S_0.CDCLK | 9 | 10 | I2S_0.SDO | GPZ.4 (#229) | I(PUDN) |
| I(PUDN) | GPZ.2 (#227) | I2S_0.LRCK | 11 | 12 | I2S_0.SDI | GPZ.3 (#228) | I(PUDN) |
GPIO Map for WiringPi Library (CON10 2 x 15)
| Net Name | GPIO & Export No | WiringPi GPIO | Header Pin | Header Pin | WiringPi GPIO | GPIO & Export No | Net Name |
|---|---|---|---|---|---|---|---|
| 5V0 | 5V0 | 1 | 2 | GND | GND | ||
| ADC_0.AIN0 | AIN0(1.8V Max) | GPIO_25 | 3 | 4 | GPIO_01 | GPA0.2(#173) | UART_0.RTSN |
| UART_0.CTSN | GPA0.3(#174) | GPIO_00 | 5 | 6 | GPIO_16 | GPA0.0(#171) | UART_0.RXD |
| SPI_1.MOSI | GPA2.7(#192) | GPIO_12 | 7 | 8 | GPIO_15 | GPA0.1(#172) | UART_0.TXD |
| SPI_1.MISO | GPA2.6(#191) | GPIO_13 | 9 | 10 | GPIO_14 | GPA2.4(#189) | SPI_1.CLK |
| SPI_1.CSN | GPA2.5(#190) | GPIO_10 | 11 | 12 | PWR_ON(INPUT) | PWR_ON | |
| XE.INT13 | GPX1.5(#21) | GPIO_02 | 13 | 14 | GPIO_09 | GPB3.3(#210) | I2C_1.SCL |
| XE.INT10 | GPX1.2(#18) | GPIO_07 | 15 | 16 | GPIO_08 | GPB3.2(#209) | I2C_1.SDA |
| XE.INT14 | GPX1.6(#22) | GPIO_03 | 17 | 18 | GPIO_19 | GPX1.3(#19) | XE.INT11 |
| XE.INT22 | GPX2.6(#30) | GPIO_22 | 19 | 20 | GPIO_21 | GPX2.4(#28) | XE.INT20 |
| XE.INT21 | GPX2.5(#29) | GPIO_26 | 21 | 22 | GPIO_23 | GPX2.7(#31) | XE.INT23 |
| ADC_0.AIN3 | AIN3(1.8V Max) | GPIO_29 | 23 | 24 | GPIO_11 | GPX2.1(#25) | XE.INT17 |
| XE.INT15 | GPX1.7(#23) | GPIO_05 | 25 | 26 | GPIO_06 | GPX2.0(#24) | XE.INT16 |
| XE.INT25 | GPX3.1(#33) | GPIO_27 | 27 | 28 | GND | GND | |
| VDD_IO | VDD_IO(1.8V) | 29 | 30 | GND | GND |
GPIO Map for WiringPi Library (Shifter-Shield 40 Pin)
| GPIO | WiringPi | Name | Mode | Initial Level | Header Pin | Header Pin | Initial Level | Mode | Name | WiringPi | GPIO |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.3V | 1 | 2 | 5v | ||||||||
| 209 | 8 | I2C1.SDA | ALT1 | 1 | 3 | 4 | 5v | ||||
| 210 | 9 | I2C1.SCL | ALT1 | 1 | 5 | 6 | 0v | ||||
| 18 | 7 | GPIO. 18 | IN | 1 | 7 | 8 | 1 | ALT1 | UART0.TX | 15 | 172 |
| 0v | 9 | 10 | 1 | ALT1 | UART0.RX | 16 | 171 | ||||
| 174 | 0 | GPIO.174 | ALT1 | 1 | 11 | 12 | 1 | ALT1 | GPIO.173 | 1 | 173 |
| 21 | 2 | GPIO. 21 | IN | 1 | 13 | 14 | 0v | ||||
| 22 | 3 | GPIO. 22 | IN | 1 | 15 | 16 | 1 | IN | GPIO. 19 | 4 | 19 |
| 3.3v | 17 | 18 | 1 | IN | GPIO. 23 | 5 | 23 | ||||
| 192 | 12 | MOSI | ALT1 | 1 | 19 | 20 | 0v | ||||
| 191 | 13 | MISO | ALT1 | 1 | 21 | 22 | 1 | IN | GPIO. 24 | 6 | 24 |
| 189 | SCLK | ALT1 | 0 | 23 | 24 | 1 | OUT | CE0 | 10 | 190 | |
| 0v | 25 | 26 | 1 | OUT | GPIO. 25 | 11 | 25 | ||||
| 187 | 30 | I2C5.SDA | ALT2 | 1 | 27 | 28 | 1 | ALT2 | I2C_5.SCL | 31 | 188 |
| 28 | 21 | GPIO. 28 | IN | 1 | 29 | 30 | 0v | ||||
| 30 | 22 | GPIO. 30 | IN | 1 | 31 | 32 | 1 | IN | GPIO. 29 | 26 | 29 |
| 31 | 23 | GPIO. 31 | IN | 1 | 33 | 34 | 0v | ||||
| 24 | POWER ON | 35 | 36 | 1 | IN | GPIO. 33 | 27 | 33 | |||
| 25 | AIN.0 | 37 | 38 | 1v8 | 28 | ||||||
| 0v | 39 | 40 | AIN.3 | 29 |
The “gpio readall” shows the pin-map of 40-pin-Shifter-Shield not 30-Pin-header.
ODROID-N2
J2 - 2x20 PINS
| 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) | GPIOX.17 (#493) | I2C0_SDA | 3 | 4 | 5.0V | - | - |
| I(P/U) | GPIOX.18 (#494) | I2C0_SCL | 5 | 6 | GND | - | - |
| I(P/D) | GPIOA.13 (#473) | 7 | 8 | TXD1 | GPIOX.12 (#488) | I(P/U) | |
| - | - | GND | 9 | 10 | RXD1 | GPIOX.13 (#489) | I(P/U) |
| I(P/U) | GPIOX.3 (#479) | 11 | 12 | PWM_E | GPIOX.16 (#492) | I(P/U) | |
| I(P/U) | GPIOX.4 (#480) | 13 | 14 | GND | - | - | |
| I(P/U) | GPIOX.7 (#483) | PWM_F | 15 | 16 | GPIOX.0 (#476) | I(P/U) | |
| - | - | 3.3V | 17 | 18 | GPIOX.1 (#477) | I(P/U) | |
| I(P/U) | GPIOX.8 (#484) | SPI0_MOSI | 19 | 20 | GND | - | - |
| I(P/U) | GPIOX.9 (#485) | SPI0_MISO | 21 | 22 | GPIOX.2 (#478) | I(P/U) | |
| I(P/U) | GPIOX.11 (#487) | SPI0_CLK | 23 | 24 | SPI0_SS0 | GPIOX.10 (#486) | I(P/U) |
| - | - | GND | 25 | 26 | SPI0_SS1 | GPIOA.4 (#464) | I(P/D) |
| I(P/U) | GPIOA.14 (#474) | I2C1_SDA | 27 | 28 | I2C1_SCL | GPIOA.15 (#475) | I(P/U) |
| I(P/U) | GPIOX.14 (#490) | 29 | 30 | GND | - | - | |
| I(P/U) | GPIOX.15 (#491) | 31 | 32 | GPIOA.12 (#472) | I(P/D) | ||
| I(P/U) | GPIOX.5 (#481) | PWM_C | 33 | 34 | GND | - | - |
| I(P/D) | GPIOX.6 (#482) | PWM_D | 35 | 36 | GPIOX.19 (#495) | - | |
| ADC.AIN3 | 37 | 38 | REF 1.8V | ||||
| - | - | GND | 39 | 40 | ADC.AIN2 |
ODROID-M1
J1 - 2x20 PINS
| 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 |
ODROID-M1S
Login as root
You have to login as root user.
- target
odroid@odroid:~$ sudo su
To deal with GPIO
You can access each GPIO pin using sysfs interface. This example uses pin number 18 that is connected to the GPIO #477 (GPIOX.1) on the ODROID-N2/C4.
Do echo the number to export file to export GPIO pin access controller.
- target
root@odroid:~# echo 477 > /sys/class/gpio/export
Configure direction
# To input root@odroid:~# echo in > /sys/class/gpio/gpio477/direction # To output root@odroid:~# echo out > /sys/class/gpio/gpio477/direction
Read/Write a value
# When if GPIO direction is input # Read a value root@odroid:~# cat /sys/class/gpio/gpio477/value # When if GPIO direction is output # Write a value: high root@odroid:~# echo 1 > /sys/class/gpio/gpio477/value # Write a value: low root@odroid:~# echo 0 > /sys/class/gpio/gpio477/value
luke.go