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GND 

10 

TV_OUT(NC) 

11 

GND 

12 

RUN_PG(NC) 

13 

PWRON_KEY 

14 

J18 

Name 

Number 

VCC5V0_USB2 1 

VCC5V0_USB2 2 

USB3_DM 

USB4_DM 

USB3_DP 

USB4_DP 

GND 

GND 

NC 

NC 

10 

U28 

CON1 

General purpose input-output (GPIO) 

connector 

Radxa CM3 IO has a 40-pin expansion header. Each pin is distinguished by color. 

1.

 

Hardware V1.1 

Summary of Contents for ROCK 3

Page 1: ...Power supply o The main PSU input DC is a 2 1mm DC tip positive 12V only input Monitor and HDMI Cable o CM3 IO board is equipped with a full sized HDMI connector HDMI capable monitor is recommended o...

Page 2: ...the USB 3 0 is 2A PCIe Slot There is one PCIe x1 slot on the IO board supporting 5 0Gbps The PCIe function is shared with SATA1 a 1in 2out mux CH482D is used for function switching to PCIe or SATA1 GP...

Page 3: ...C 5 VCC_LEDK2 6 VCC_LEDK2 7 VCC_LEDK2 8 VCC_LEDK2 9 GND 10 GND 11 MIPI_DSI_TX_D2P 12 MIPI_DSI_TX_D2N 13 GND 14 MIPI_DSI_TX_D1P 15 MIPI_DSI_TX_D1N 16 GND 17 MIPI_DSI_TX_CLKP 18 MIPI_DSI_TX_CLKN 19 GND...

Page 4: ...NC 27 RESET 28 GND 29 VCC_1V8 30 VCC_LCD_MIPI 31 VCC_LCD_MIPI J11 eDP 40P Pin Name 1 NC 2 GND 3 EDP_TX_D3N 4 EDP_TX_D3P 5 GND 6 EDP_TX_D2N 7 EDP_TX_D2P 8 GND 9 EDP_TX_D1N 10 EDP_TX_D1P 11 GND 12 EDP_...

Page 5: ...17 GND 18 VCC3V3_LCD 19 VCC3V3_LCD 20 VCC3V3_LCD 21 VCC3V3_LCD 22 NC 23 GND 24 GND 25 GND 26 GND 27 NC 28 GND 29 GND 30 GND 31 GND 32 LCD0_BL_EN 33 LCD0_BL_PWM5 34 NC 35 NC 36 VCC12V_LCD 37 VCC12V_LCD...

Page 6: ...C 41 NC 42 NC J12 J13 Touch Panel Pin Name 1 GND 2 SCL_3V3 3 SDA_3V3 4 INT_3V3 5 RST_3V3 6 VCC_TP J14 J15 2x MIPI CSI Pin Name 1 RESET 2 PWDN 3 CAM_CLKOUT 4 GND 5 I2C_SCL 6 I2C_SDA 7 NC 8 1V2 9 NC 10...

Page 7: ...SI_RX_D0P 14 MIPI_CSI_RX_D0N 15 NC 16 MIPI_CSI_RX_D1P 17 MIPI_CSI_RX_D1N 18 GND 19 MIPI_CSI_RX_CLK0P 20 MIPI_CSI_RX_CLK0N 21 GND 22 NC 23 NC 24 GND 25 NC 26 NC U26 Pin Name 1 GND 2 12V 3 3 3V 4 PWM U3...

Page 8: ...ame Number PWRON_KEY 1 GND 2 RUN_PG NC 3 J9 J10 U36 Name Number 5V0_USB30 1 USB2_HOST3_DM 2 USB2_HOST3_DP 3 GND 4 U30 Name Number GND 1 NRPIBOOT NC 2 GND 3 EEPROM_NWP 4 AIN0 NC 5 AIN1 NC 6 GND 7 SYNC_...

Page 9: ...J18 Name Number VCC5V0_USB2 1 VCC5V0_USB2 2 USB3_DM 3 USB4_DM 4 USB3_DP 5 USB4_DP 6 GND 7 GND 8 NC 9 NC 10 U28 CON1 General purpose input output GPIO connector Radxa CM3 IO has a 40 pin expansion head...

Page 10: ..._SDI3_ M1 GPIO 3_D5 7 8 GPIO0_ D1 UART2_TX _M0 25 GND 9 10 GPIO0_ D0 UART2_R X_M0 24 23 UART0_CTS n PWM0_M1 GPIO 0_C7 11 12 GPIO3_ C7 I2S1_SCLK _TX_M1 SDMMC2_ D1_M0 119 15 PWM0_M0 GPIO 0_B7 13 14 GND...

Page 11: ...1_SDO3 _M1 141 137 ISP_PRELIG HT_TRIG I2S1_SDO2 _M1 GPIO 4_B1 29 30 GND 21 PWM6 SPI0_MISO _M0 GPIO 0_C5 31 32 GPIO4_ C0 PWM11_IR _M1 144 22 PWM7_IR SPI0_CS0_ M0 GPIO 0_C6 33 34 GND 120 SDMMC2_D 2_M0 I...

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