Banana Pi BPI-CM4IO

BPI-CM4IO Introduction

Banana Pi BPI-CM4 with Amlogic A311D design

BananaPi BPI-CM4IO board is design for BPI-CM4 or RPi-CM4

Key Features

• support MIPI DSI Display interface
• support MIPI CSI Camera interface
• Minipcie
• HDMI output
• 26 PIN GPIO
• USB TypeC OTG
• TF Card slot
• SIM Card Slot
• RJ45(1 Gigabyte Ethernet)
• USB 2.0 *2
• UART Debug Interface
• AD Key
• Size:100x72mm

Hardware

BPI-CM4 moudule base board interface

BPI-CM4 Module PIN Out define

26 PIN GPIO of Banana pi BPI-CM4IO
GPIO Pin Name	Default Function	Function2：GPIO	Function3
CON2-P01	VCC-3V3
CON2-P02	DCIN
CON2-P03	I2C1_SDA	GPIOX-17
CON2-P04	DCIN
CON2-P05	I2C1_SCL	GPIOX-18
CON2-P06	GND
CON2-P07	SPDIF_IN	GPIOH_5
CON2-P08	UART_B_TX	GPIOX-6
CON2-P09	GND
CON2-P10	UART_B_RX	GPIOX-7
CON2-P11		GPIOAO-10
CON2-P12	I2SB_SCLK	GPIOA-1
CON2-P13	SPDIF_OUT	GPIOH-4
CON2-P14	GND
CON2-P15	IR-IN	GPIOAO-5
CON2-P16	I2S_MCLK	GPIOA-0
CON2-P17	VCC-3V3
CON2-P18	I2SB_LRCLK	GPIOA-2
CON2-P19	SPI_A-MOSI	GPIOX-8
CON2-P20	GND
CON2-P21	SPI_A-MISO	GPIOX-9
CON2-P22	I2SC_DOUT_DIN_3	GPIOA-7
CON2-P23	SPI_A-SCK	GPIOX-11
CON2-P24	SPI_A-SS0	GPIOX-10
CON2-P25	GND
CON2-P26	I2SC_DOUT_DIN_0	GPIOA-3

UART specification:

The header CON2 is the UART interface. For developers of Banana Pi, this is an easy way to get the UART console output to check the system status and log message.

Uart PIN define of Banana pi BPI-M4
CON2 Pin Name	Default Function	GPIO
CON1-P1	GND
CON1-P2	UART0-RX
CON1-P3	UART0-TX

Development

Resources

• BPI-CM4 Base board Schematic:https://drive.google.com/file/d/1IErCKqfWdU7gL7kUod2-wlpG7uE9EiVZ/view?usp=sharing
• BPI-CM4 Base board DXF file: https://drive.google.com/file/d/1-K3ESgU63S4ynwwNbe0p3Ol1ajOsufQ8/view?usp=sharing