Introduction

BPI-M4 Berry development board stands as a powerful Single Board Computer (SBC), harnessing the capabilities of the Allwinner H618 System-on-Chip (SoC) to provide developers with impressive performance and a wealth of features. Similar to the Raspberry Pi 4b, the BPI-M4 Berry boasts comparable CPU prowess, 2G LPDDR4 memory and 8G eMMC, integrated WiFi and Bluetooth functionalities, and a familiar 40-pin header layout, alongside 4 USB interfaces and a GbE RJ45 port.

Key Features

Allwinner H618, Quad-core ARM Cortex-A53 processor
ARM Mali G31 GPU
WIFI & Bluetooth
2G LPDDR4 RAM
8G eMMC flash memory
1x USB2.0 Type-C OTG, 5V power supply
4x USB2.0 Type-A
1x HDMI 2.0a
1x 3.5mm Audio & TVE jack socket
1x GbE Ethernet port

Hardware spec

Hardware Specification of Banana pi BPI-M4 Berry
CPU	Allwinner H618, Quad-core ARM Cortex-A53 processor, 64-bit, up to 1.5GHz
GPU	ARM Mali G31 GPU
Memory	2 GB LPDDR4
Storage	8G eMMC flash
SD card	MicroSD card slot
Wireless	2.4G/5G WiFi and Bluetooth 4.2
Ethernet	1x GbE Ethernet port(supports PoE with add-on PoE HAT)
HDMI	1x full-size HDMI 2.0a (up to 4K@60Hz with HDR10, CEC, DDC, SCDC), HDMI digital Audio output
Audio	1x 3.5mm Audio & TVE jack socket
IR	1x CIR
USB	4x USB2.0 Type-A HOST, 1x USB2.0 Type-C OTG
40-pin header	28 pins GPIO and Power (+5V, +3.3V and GND)
40-pin header	UART, SPI, TWI/I2C, PWM, PCM/I2S
Buttons	Reset, FEL and User
LED	Power Status and Activity status
Power	5V@3A via USB Type-C/ optional POE?
Size	85x56 mm
Weight	60g

BPI-M4 Berry VS Raspberry Pi 4b

PIN define

BPI-M4 Berry 40-pin header

Pin Num	Pin Name	ALT0	ALT1	ALT2	ALT3
40-pin header define and GPIO Alternative Functions Assignments
1	3.3V
2	5V
3	PG16	UART2_RX			TWI4_SDA
4	5V
5	PG15	UART2_TX			TWI4_SCK
6	GND
7	PG19			PWM1
8	PG6	UART1_TX
9	GND
10	PG7	UART1_RX
11	PH2	UART5_TX		PWM2
12	PG11	H_I2S2_BCLK
13	PH3	UART5_RX		PWM1
14	GND
15	PG2
16	PG8	UART1_RTS
17	3.3V
18	PG9	UART1_CTS
19	PH7	UART2_RTS	H_I2S3_LRCK	SPI1_MOSI
20	GND
21	PH8	UART2_CTS	H_I2S3_DOUT0	SPI1_MISO	H_I2S3_DIN1
22	PG1
23	PH6	UART2_RX	H_I2S3_BCLK	SPI1_CLK
24	PH5	UART2_TX	H_I2S3_MCLK	SPI1_CS0
25	GND
26	PH9		H_I2S3_DIN0	SPI1_CS1	H_I2S3_DOUT1
27	PG18	UART2_CTS			TWI3_SDA
28	PG17	UART2_RTS			TWI3_SCK
29	PG3
30	GND
31	PG4
32	PG0
33	PG5
34	GND
35	PG12	H_I2S2_LRCK
36	PH4
37	PG10	H_I2S2_MCLK
38	PG14	H_I2S2_DIN0	H_I2S2_DOUT1
39	GND
40	PG13	H_I2S2_DOUT0	H_I2S2_DIN1