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===40 PIN GPIO === | ===40 PIN GPIO === | ||
Revision as of 04:15, 5 November 2018
Introduction
ROCK Pi 4 is a Rockchip RK3399 based SBC(Single Board Computer) by Radxa. It can run android or some Linux distributions. ROCK Pi 4 features a six core ARM processor, 64bit dual channel 3200Mb/s LPDDR4, up to 4K@60 HDMI, MIPI DSI, MIPI CSI, 3.5mm jack with mic, 802.11 ac WIFI, Bluetooth 5.0, USB Port, GbE LAN, 40-pin color expansion header, RTC. Also, ROCK Pi 4 supports USB PD and QC powering.
ROCK Pi 4 comes in two models, Model A and Model B.
Getting started
Refer the ROCK Pi 4 getting started page for how to start with ROCK Pi.
Refer Installation for how to install images on ROCK Pi.
Hardware
Refer ROCK Pi 4 Hardware page for detailed info about ROCK Pi.
40 PIN GPIO
| Function2 | Function1 | GPIO | Pin# | Pin# | GPIO | Function1 | Function2 | |
|---|---|---|---|---|---|---|---|---|
| +3.3V | 1 | 2 | +5.0V | |||||
| I2C7_SDA | GPIO2_A7 | 3 | 4 | +5.0V | ||||
| I2C7_SCL | GPIO2_B0 | 5 | 6 | GND | ||||
| CIF_CLKOUT | SPI2_CLK | GPIO2_B3 | 7 | 8 | GPIO4_C4 | DEBUG_TXD | ||
| GND | 9 | 10 | GPIO4_C3 | DEBUG_RXD | ||||
| PWM0 | GPIO4_C2 | 11 | 12 | GPIO4_A3 | I2S1_SCLK | |||
| PWM1 | GPIO4_C6 | 13 | 14 | GND | ||||
| SPDIF_TX | GPIO4_C5 | 15 | 16 | GPIO4_D2 | ||||
| +3.3V | 17 | 18 | GPIO4_D4 | |||||
| UART4_RX | SPI1_TXD | GPIO1_B0 | 19 | 20 | GND | |||
| UART4_TX | SPI1_RXD | GPIO1_A7 | 21 | 22 | GPIO4_D5 | |||
| SPI1_CLK | GPIO1_B1 | 23 | 24 | GPIO1_B2 | SPI1_CSn | |||
| GND | 25 | 26 | ADC_IN0 | |||||
| I2C2_SDA | GPIO2_A0 | 27 | 28 | GPIO2_A1 | I2C2_CLK | |||
| I2C6_SCL | SPI2_TXD | GPIO2_B2 | 29 | 30 | GND | |||
| I2C6_SDA | SPI2_RXD | GPIO2_B1 | 31 | 32 | GPIO3_C0 | SPDIF_TX | ||
| SPI2_CSn | GPIO2_B4 | 33 | 34 | GND | ||||
| I2S1_LRCK_TX | GPIO4_A5 | 35 | 36 | GPIO4_A4 | I2S1_LRCK_RX | |||
| GPIO4_D6 | 37 | 38 | GPIO4_A6 | I2S1_SDI | ||||
| GND | 39 | 40 | GPIO4_A7 | I2S1_SDO |
Sweet tips about ROCK Pi 4 Board
- Function marked with color orange is the default function of this pin.
- Except Pins for power supply, all pins are laid out directly to Soc RK3399.
- For pin 3, 5, 27, 28, 29 and 31, each pin is connected to the 3.3V supply through a 4.7K pull-up resistor.
- Pin 19, 21, 23, 24 are laid out directly to the pins of SPI device on board.
- Pin7 is laid out directly to the pin of MIPI CSI on board.
Software
Build
Release Images
Community
- Forum: http://forum.radxa.com
- Telegram Group: https://t.me/rockpi4