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| − | | + | #redirect [[Rock4/hardware]] |
| − | __NOTOC__
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| − | {{rockpi4_header}}
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| − | The ROCK Pi 4 is the lasted SBC released by radxa.
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| − | == Processor ==
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| − | The Rockchip RK3399 Soc used in ROCK Pi 4 includes 64bits hexa core processor with dual 1.8GHz Cortex-72 and qual 1.4GHz Cortex-A53, Mali T860MP4 graphics processing unit (GPU) and Internal SRAM. It has a level 1 (L1) cache and a level 2 (L2). For level 1 cache, 48KB Icache and 32KB Dcache is for each A72. 32KB Icache and 32KB Dcache is for each A53. For level 2 cache, 1024KB cache is for big cluster and 512KB cache is for little cluster.
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| − | == Networking ==
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| − | On the ROCK Pi 4 Model A, B board, the Giga Bit Ethernet port is provided. From the test result, we know that the bandwidth is at least 939Mbits/sec. If you are interested in POE (Power Over Ethernet), you should try it on the Pi 4 board.
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| − | <br />The ROCK Pi 4 Model B is equipped with 2.4GHz 802.11 b/g/n and 5G ac/a WIFI. The Pi 4B also features Bluetooth 5.0.
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| − | == Peripherals ==
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| − | == Connectors ==
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| − | == General purpose input-output (GPIO) connector ==
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| − | ROCK Pi 4 has a 40-pin expansion header. Each pin is distinguished by color.
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| − | {| class="wikitable"
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| − | ! Function
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| − | ! GPIO
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| − | ! Pin#
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| − | !
| + | |
| − | ! Pin#
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| − | ! GPIO
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| − | ! Function
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| − | |-
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| − | | +3.3V
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| − | |
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| − | | style="background:yellow"| 1
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| − | |
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| − | | style="background:red"| 2
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| − | |
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| − | | +5.0V
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| − | |-
| + | |
| − | | I2C7_SDA
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| − | | GPIO2_A7
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| − | | style="background:green"| 3
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| − | |
| + | |
| − | | style="background:red"| 4
| + | |
| − | |
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| − | | +5.0V
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| − | |-
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| − | | I2C7_SCL
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| − | | GPIO2_B0
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| − | | style="background:green"| 5
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| − | |
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| − | | style="background:black; color:white"| 6
| + | |
| − | |
| + | |
| − | | GND
| + | |
| − | |-
| + | |
| − | | SPI2_CLK
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| − | | GPIO2_B3
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| − | | style="background:green"| 7
| + | |
| − | |
| + | |
| − | | style="background:green"| 8
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| − | | GPIO4_C4
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| − | | UART2_TX
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| − | |-
| + | |
| − | | GND
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| − | |
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| − | | style="background:black; color:white"| 9
| + | |
| − | |
| + | |
| − | | style="background:green"|10
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| − | | GPIO4_C3
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| − | | UART2C_RX
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| − | |-
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| − | | PWM0
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| − | | GPIO4_C2
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| − | | style="background:green"|11
| + | |
| − | |
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| − | | style="background:green"|12
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| − | | GPIO4_A3
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| − | | I2S1_SCLK/PCM-CLK
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| − | |-
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| − | |
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| − | | GPIO4_C6
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| − | | style="background:green"|13
| + | |
| − | |
| + | |
| − | | style="background:black; color:white"|14
| + | |
| − | |
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| − | | GND
| + | |
| − | |-
| + | |
| − | |
| + | |
| − | | GPIO4_C5
| + | |
| − | | style="background:green"|15
| + | |
| − | |
| + | |
| − | | style="background:green"|16
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| − | | GPIO4_D2
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| − | |
| + | |
| − | |-
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| − | | +3.3V
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| − | |
| + | |
| − | | style="background:yellow"|17
| + | |
| − | |
| + | |
| − | | style="background:green"|18
| + | |
| − | | GPIO4_D4
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| − | |
| + | |
| − | |-
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| − | | SPI1_TXD
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| − | | GPIO1_B0
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| − | | style="background:green"|19
| + | |
| − | |
| + | |
| − | | style="background:black; color:white"|20
| + | |
| − | |
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| − | | GND
| + | |
| − | |-
| + | |
| − | | SPI1_RXD
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| − | | GPIO1_A7
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| − | | style="background:green"|21
| + | |
| − | |
| + | |
| − | | style="background:green"|22
| + | |
| − | | GPIO4_D5
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| − | |
| + | |
| − | |-
| + | |
| − | | SPI1_CLK
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| − | | GPIO1_B1
| + | |
| − | | style="background:green"|23
| + | |
| − | |
| + | |
| − | | style="background:green"|24
| + | |
| − | | GPIO1_B2
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| − | | SPI1_CSN0
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| − | |-
| + | |
| − | | GND
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| − | |
| + | |
| − | | style="background:black; color:white"|25
| + | |
| − | |
| + | |
| − | | style="background:green"|26
| + | |
| − | |
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| − | | ADC_IN0
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| − | |-
| + | |
| − | | I2C2_SDA
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| − | | GPIO2_A0
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| − | | style="background:blue; color:white"|27
| + | |
| − | |
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| − | | style="background:blue; color:white"|28
| + | |
| − | | GPIO2_A1
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| − | | I2C2_CLK
| + | |
| − | |-
| + | |
| − | | SPI2_TXD
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| − | | GPIO2_B2
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| − | | style="background:green"|29
| + | |
| − | |
| + | |
| − | | style="background:black; color:white"|30
| + | |
| − | |
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| − | | GND
| + | |
| − | |-
| + | |
| − | | SPI2_RXD
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| − | | GPIO2_B1
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| − | | style="background:green"|31
| + | |
| − | |
| + | |
| − | | style="background:green"|32
| + | |
| − | | GPIO3_C0
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| − | | SPDIF_TX
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| − | |-
| + | |
| − | | SPI2_CSN0
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| − | | GPIO2_B4
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| − | | style="background:green"|33
| + | |
| − | |
| + | |
| − | | style="background:black; color:white"|34
| + | |
| − | |
| + | |
| − | | GND
| + | |
| − | |-
| + | |
| − | | I2S1_LRCK_TX/PCM-FS
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| − | | GPIO4_A5
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| − | | style="background:green"|35
| + | |
| − | |
| + | |
| − | | style="background:green"|36
| + | |
| − | | GPIO4_A4
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| − | | I2S1_LRCK_RX
| + | |
| − | |-
| + | |
| − | |
| + | |
| − | | GPIO4_D6
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| − | | style="background:green"|37
| + | |
| − | |
| + | |
| − | | style="background:green"|38
| + | |
| − | | GPIO4_A6
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| − | | I2S1_SDIO/PCM-DI
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| − | |-
| + | |
| − | | GND
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| − | |
| + | |
| − | | style="background:black; color:white"|39
| + | |
| − | |
| + | |
| − | | style="background:green"|40
| + | |
| − | | GPIO4_A7
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| − | | I2S1_SDO0/PCM-D0
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| − | |}
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