49 lines
3.6 KiB
Markdown
49 lines
3.6 KiB
Markdown
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Radxa ROCK 3 Model B {#_Radxa}
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====================
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Radxa ROCK 3 Model B is a Rockchip RK3568 based SBC(Single Board Computer) by Radxa. It can run Android or Linux. Radxa ROCK 3 Model B features a four core ARM processor, 64bit dual channel 3200Mb/s LPDDR4, HDMI up to 4K60p, MIPI DSI, MIPI CSI, 3.5mm combo audio jack, Wi-Fi 6, Bluetooth 5.0, USB, GbE LAN, and 40-pin color expansion header. Radxa ROCK 3 Model B is powered by the USB Type-C port, and supports 5V input only. The recommended power adapter is 5V/3A without SSD, or 5V/5A with SSD.
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Interface notes
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---------------
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- UART2 is enabled as the default console.
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- All UART ports support baud up to 1500000.
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- Pin 3 and Pin 5 were used by audiopwm.
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Pin Mapping
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-----------
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Radxa ROCK 3 Model B has a 40-pin expansion header. Each pin is distinguished by the color.
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| Function3| Function3| Function2| Function1| PIN | PIN | Function1| Function2| Function3| Function4|
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|-------------|-----------|-------------|-----------|:------|------:|----------|-------------|----------|------------|
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| | | | 3V3| 1 | 2 | +5.0V| | | |
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| |UART3_RX_M0| I2C3_SDA_M0| GPIO1_A0| 3 | 4 | +5.0V| | | |
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| |UART3_TX_M0| I2C3_SCL_M0| GPIO1_A1| 5 | 6 | GND| | | |
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| | PWM1_M1| I2C2_SCL_M0| GPIO0_B5| 7 | 8 | GPIO0_D1| UART2_TX_M0| | |
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| | | | GND| 9 | 10 | GPIO0_D0| UART2_RX_M0| | |
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| |UART7_TX_M1| PWM14_M0| GPIO3_C4| 11 | 12 | GPIO3_A3| | | |
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| |UART7_RX_M1| PWM15_IR_M0| GPIO3_C5| 13 | 14 | GND| | | |
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| | UART0_RX| PWM1_M0| GPIO0_C0| 15 | 16 | GPIO0_B6| I2C2_SDA_M0| PWM2_M1| |
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| | | | +3.3V| 17 | 18 | GPIO3_B2| UART4_TX_M1| PWM9_M0| |
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| |PWM15_IR_M1| SPI3_MOSI_M1| GPIO4_C3| 19 | 20 | GND| | | |
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| UART9_TX_M1| PWM12_M1| SPI3_MISO_M1| GPIO4_C5| 21 | 22 | GPIO0_C1| PWM2_M0| UART0_TX| |
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| | PWM14_M1| SPI3_CLK_M1| GPIO4_C2| 23 | 24 | GPIO4_C6| SPI3_CS0_M1| PWM13_M1| UART9_RX_M1|
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| | | | GND| 25 | 26 | GPIO4_D1| SPI3_CS1_M1| | |
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| | | I2C1_SDA| GPIO0_B4| 27 | 28 | GPIO4_B3| I2C1_SCL| | |
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| | | | GPIO2_D7| 29 | 30 | GND| | | |
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| | | | GPIO3_A0| 31 | 32 | GPIO3_C2| UART5_TX_M1| | |
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| |SPI1_CLK_M1| UART5_RX_M1| GPIO3_C3| 33 | 34 | GND| | | |
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| | | | GPIO3_A4| 35 | 36 | GPIO3_A2| | | |
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| | | |SARADC_VIN5| 37 | 38 | GPIO3_A6| | | |
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| | | | GND| 39 | 40 | GPIO3_A5| | | |
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Supports
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--------
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You can find additional product support in the following channels:
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- [Product Info](https://docs.radxa.com/en/rock3/rock3b)
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- [Forums](https://forum.radxa.com/c/rock3)
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- [Github](https://github.com/radxa)
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