Rock/extension header
Radxa Rock has two 2.54mm 40 pins(20*2) extension header on board, which includes GPIO, I2C, SPI, Line in, USB 2.0, PWM, ADC, LCD etc interfaces. You can easily connect the breadboard or other sensor board to the rock.
Hardware revision 2013-09-03/2013-10-25/2014-06-10
| J8 (Near USB host and RTC battery) | |||||||
|---|---|---|---|---|---|---|---|
| USB Host | |||||||
| 1 | Ground | 2 | VCC-5V | ||||
| 3 | HOST_DP2 | 4 | HOST_DM2 | ||||
| Audio Input | |||||||
| 5 | LINE Left | 6 | LINE Right | ||||
| GPIO | |||||||
| 7 | GPIO0_A7 | 8 | GPIO0_A6 | ||||
| 9 | GPIO0_B1 | 10 | GPIO0_A1 | ||||
| PWM | |||||||
| 11 | PWM2 | GPIO3_D5 | 12 | PWM1 | GPIO3_D4 | ||
| UART0 | |||||||
| 13 | UART0_RX | GPIO1_A0 | 14 | UART0_TX | GPIO1_A1 | ||
| 15 | UART0_CTS | GPIO1_A2 | 16 | UART0_RTS | GPIO1_A3 | ||
| 17 | Ground | 18 | VCC-2.8V | ||||
| SPI1 / UART3 / GPS | |||||||
| 19 | SPI1_CSN0 | GPIO0_D7 | 20 | UART3_RTSN | GPIO1_B5 | ||
| 21 | SPI1_RX | GPIO0_D4 (GPS_PWR) | 22 | UART3_RX | GPIO1_B2 | GPS_MAG | |
| 23 | SPI1_CLK (GPS_SCLK) | GPIO0_D6 | 24 | UART3_TX | GPIO1_B3 | GPS_SIG | |
| 25 | SARADC_ANI2 (GPS_LRADC) | 26 | UART3_CTSN | GPIO1_B4 | GPS_CLK | ||
| 27 | GPIO0_A5 | 28 | SPI1_TX (GPS_MOSI) | GPIO0_D5 | |||
| I2C | |||||||
| 29 | Ground | 30 | VCCIO_WL | ||||
| 31 | I2C0_SCL | GPIO1_D1 | 32 | I2C0_SDA | GPIO1_D0 | ||
| ADC (Analog-to-digital converters) | |||||||
| 33 | SARADC_ANI0 | 34 | SARADC_ANI1 (RECOVERY) | ||||
| MISC | |||||||
| 35 | POWER_SW | 36 | PWR_EN | ||||
| 37 | HSIC_DATA | 38 | HSIC_STROBE | ||||
| 39 | Ground | 40 | VDD-5V | ||||
| J12 (Near Power Key and DC Jack) | |||||||
|---|---|---|---|---|---|---|---|
| LCD | |||||||
| 1 | Ground | 2 | LCDC0_D0 | ||||
| 3 | LCDC0_D1 | 4 | LCDC0_D2 | ||||
| 5 | LCDC0_D3 | 6 | LCDC0_D4 | ||||
| 7 | LCDC0_D5 | 8 | LCDC0_D6 | ||||
| 9 | LCDC0_D7 | 10 | LCDC0_D8 | ||||
| 11 | LCDC0_D9 | 12 | LCDC0_D10 | ||||
| 13 | LCDC0_D11 | 14 | LCDC0_D12 | ||||
| 15 | LCDC0_D13 | 16 | LCDC0_D14 | ||||
| 17 | LCDC0_D15 | 18 | LCDC0_D16 | ||||
| 19 | LCDC0_D17 | 20 | LCDC0_D18 | ||||
| 21 | LCDC0_D19 | 22 | LCDC0_D20 | ||||
| 23 | LCDC0_D21 | 24 | LCDC0_D22 | ||||
| 25 | LCDC0_D23 | 26 | LCDC0_HSYNC | ||||
| 27 | LCDC0_VSYNC | 28 | LCDC0_DE | ||||
| 29 | Ground | 30 | LCDC0_CLK | ||||
| GPIO / PWM | |||||||
| 31 | GPIO0_B0 (LCD_EN) | 32 | GPIO0_A2 (BL_EN) | ||||
| 33 | PWM3 (LCD_BL) | GPIO3_D6 | 34 | SPI0_CSN1 | GPIO1_B7 | ||
| SPI0 / UART1 | |||||||
| 35 | SPI0_CSN0 | GPIO1_A7 | UART1_RTSN | 36 | SPI0_RXD | GPIO1_A4 | UART1_RX |
| 37 | SPI0_CLK | GPIO1_A6 | UART1_CTSN | 38 | SPI0_TXD | GPIO1_A5 | UART1_TX |
| 39 | VCC-5V | 40 | Ground | ||||