ArmSoM-CM7s Product Introduction

Let's get to know the ArmSoM-CM7s and ArmSoM-CM7s-IO in 5 minutes

CM7s Introduction

ArmSoM-CM7s Core Board: compact in size, powerful in performance, built specifically for deep embedded scenarios. The board comes with the Rockchip RK3588S 8-core 64-bit flagship processor (4×Cortex-A76 @ 2.4GHz + 4×Cortex-A55 @ 1.8GHz), built on an advanced 8nm process, offering great computing power and excellent energy efficiency. It features an ARM Mali-G610 high-performance GPU, fully compatible with OpenGL ES 3.2, OpenCL 2.2, and Vulkan 1.2 graphics APIs. It also has a powerful 6 TOPS NPU, supporting INT4/INT8/INT16 mixed-precision computing, easily handling edge AI inference.

The module offers a variety of bus and expansion interfaces, supports eMMC flash memory of different capacities, and can be widely used in industrial IoT, edge computing, and smart devices.

Rockchip RK3588s

Relying on a strong ecosystem and a variety of expansion accessories, ArmSoM can help users easily go from ideas to prototypes to mass production, making it an ideal creative platform for makers, dreamers, and hobbyists.

tip

armsom-cm7s v1.1 CN2 pins 2 and 4 aren't working, will be fixed in the next v1.2 version

Key parameters

• SOC：Rockchip RK3588S (8nm LP process)
• CPU：8-core 64-bit（4×Cortex-A76@2.4GHz + 4×Cortex-A55@1.8GHz）
• GPU：ARM Mali-G610 3D GPU，supports OpenGL ES3.2 / OpenCL 2.2 / Vulkan 1.2
• NPU：6 TOPS computing power, supports mixed INT4/INT8/INT16 operations
• RAM：2/4/8/16/32GB LPDDR4/4X
• eMMC：32/64/128/256GB eMMC
• interface：On-board 3×100-pin connector (DF40C-100DP-04V), supports multiplexed buses and control pins like Type-C/DP1.4, HDMI 2.1/eDP1.3, MIPI DPHY/CSI, USB 3.0/2.0, SATA III/PCIe 2.0, SDIO 3.0/RGMII, SDMMC, and I2C/I2S/UART/SPI/CAN/PWM/GPIO.
• Power supply：Input DC 5V (MAX 2500mA); Output DC 3.3V/1.8V (MAX 600mA)
• Size：55 x 40 x 1.6 mm
• Input：DC 5V MAX 2500mA
• Output：DC 3.3V MAX 600mA 和 DC 1.8V MAX 600mA
• PCB size：55 x 40 x 1.6 mm (L x W x H)

CM7s Hardware Info

Hardware interface

tip

• Designed as a board-to-board connector

ArmSoM CM7s vs Raspberry Pi CM5

Here's a comparison chart of the specs for the ArmSoM CM7s and the Raspberry Pi CM5:

Specification	ArmSoM CM7s	Raspberry Pi CM5
Processor	RK3588S SoC	Broadcom BCM2712
CPU Architecture	Quad-core ARM Cortex-A76 & Quad-coreCortex-A55	Quad-core ARM Cortex-A76
GPU	ARM Mali-G610 MP4	VideoCore VII
NPU	6 TOPS computing power	No built-in NPU
Memory	Supports up to 32GB LPDDR5	2GB、4GB、8GB、16GB LPDDR4
Storage	eMMC storage (optional capacity)	eMMC storage (optional capacity)
Display Output	1x HDMI 2.1, 1x DP 1.4	2x HDMI 2.0
Video Resolution	Supports 8K@60fps	Supports 4K@60fps
Network Interface	1x Gigabit Ethernet port	1x Gigabit Ethernet port
USB Ports	1x USB3.0，3x USB2.0	2xUSB3.0，1xUSB2.0
GPIO	40 pin GPIO	40 pin GPIO
Expandability	2x PCIE2.1/SATA3	1x PCIe 2.0
Camera Interface	1x 4-channel MIPI CSI, 2x 2-channel MIPI CSI	2x 4-channel MIPI CSI
Display Interface	1x 4-channel MIPI DSI	2x 4-channel MIPI DSI
Power Input	5V	5V
Dimensions	55mm x 40mm	55mm x 40mm
Operating System Support	Debian, Android, Ubuntu, Armbian, etc.	Raspberry Pi OS, Ubuntu, etc.
Primary Use Cases	High-end tablets, edge computing, AI, cloud computing, AR/VR, smart security, smart home, and more	Embedded systems, industrial control, AI/machine learning, digital signage, IoT, edge computing

Product block diagram

Hardware Specs

Category	Function
SOC	RockChip RK3588S
CPU	RK3588S quad-core Cortex-A76 @ 2.4GHz and quad-core Cortex-A55 @ 1.8GHz, 8nm process
GPU	ARM Mali-G610 MP4 GPU ARM Mali-G610 MP4 quad-core GPU, supports OpenGL ES 1.1/2.0/3.2, OpenCL 2.2, Vulkan 1.1/1.2, with a computing power of 450 GFLOPS
NPU	6 TOPS@INT8 Supports INT4，INT8，INT16，FP16 Mixed operations Supports deep learning frameworks:TensorFlow、PyTorch、Caffe,etc.
VPU/Codec	Hardware decoding:Supports 8K@60fps (H.265/VP9/AVS2)、8K@30fps (H.264)、4K@60fps (AV1)。 Hard coding:8K@30fps (H.265/H.264)，Supports simultaneous editing and decoding
ISP	Integrated 48MP ISP, supports HDR and 3DNR
RAM	4GB/8GB/16GB 32GB LPDDR4/LPDDR4x/LPDDR5，default is LPDDR5 8GB
Flash	32GB/64GB/128GB eMMC，default is eMMC 64GB Supports MicroSD card expansion M.2 M-KEY Socket：PCIe2.1 NVMe SSD
Display	1x HDMI OUT 2.1, supports 8K@60Hz or 4K@120Hz 2x MIPI DSI with a maximum resolution of 4K@60Hz 1x DP1.4, supports up to 8K@30Hz
Camera	2x 4-lane MIPI CSI, up to 2.5Gbps per lane Supports up to three MIPI camera inputs
Network	1x GMAC, providing RGMII/RMII interface output onboard IEEE 802.11a/b/g/n/ac/ax WIFI6 and BT5.3 syn43752
PCIe	2x PCIe 2.0 1-lans
USB	3x USB 3.0 2x USB 2.0 Host 1x USB 2.0 OTG 1× Type-C (USB 3.1)
Audio	SPDIF_Tx x2 I2S x4 PDM x2
Others	UART DEBUG x1 FAN x1 RTC x1

RK3588S Block Diagram

RK3588S Block Diagram

Pin Definition

ArmSoM-CM7s_Pinout

CM7s-IO Introduction

The CM7s-IO is the IO board for the ArmSoM CM7s, measuring 100x79x41 mm. It's great for quickly evaluating the features of the ArmSoM CM7s platform, debugging peripheral drivers, and developing system prototypes. It can also serve as a reference hardware design for products like industrial gateways, edge AI inference terminals, and multimedia interactive devices, helping users smoothly transition from prototyping to mass deployment.

CM7s-IO Hardware Info

Hardware Specs

The CM7s-IO board is an expansion board designed specifically for the CM7s computing module, aimed at helping with system and embedded board development.

• 1x HDMI output, 1x Type-C (DP) output
• 4x USB 3.0 Type-A
• Supports Gigabit Ethernet RJ45
• Firmware flashing and device mode via USB Type-C
• GPIO: 40-pin header
• Power connector: DC barrel jack for 12V power input
• Expansion: M.2 (M key, supports PCIe), microSD
• MIPI DSI: 1x 4-lane MIPI DSI, supports up to 4K@60fps (x4)
• MIPI CSI0: 1x 4-lane MIPI CSI, up to 2.5Gbps per lane
• MIPI CSI1: 1x 2-lane MIPI CSI, up to 2.5Gbps per lane
• Others: HPOUT, FAN, VRTC
• Dimensions: 100 x 79 x 41 mm (3.94 x 3.11 x 1.6 inches)
• Weight: 65.2g

Hardware interface

tip

The CM7s-IO Board uses 12V DC power.

Pin Definition

40-PIN Socket

GPIO number	Function	Pin	Pin	Function	GPIO number
	+3.3V	1	2	+5.0V
63	GPIO1_D7 / PWM15_IR_M3 / UART1_CTSN_M1 / I2C8_SDA_M2	3	4	+5.0V
62	GPIO1_D6 / PWM14_M2 / UART1_RTSN_M1 / I2C8_SCL_M2	5	6	GND	-
39	GPIO1_A7 / PWM3_IR_M3 / SPI2_CS0_M0 / PDM1_SDI0_M1	7	8	UART2_TX_M0 / GPIO0_B5 / I2S1_MCLK_M1 / I2C1_SCL_M0	13
-	GND	9	10	UART2_RX_M0 / GPIO0_B6 / I2S1_SCLK_M1 / I2C1_SDA_M0	14
130	GPIO4_A2 / I2S1_LRCK_M0 / SPI0_CLK_M1	11	12	GPIO3_B2 / UART2_RX_M2 / I2S2_SDI_M1 / PWM3_IR_M1	106
13	GPIO4_A3 / UART0_TX_M2	13	14	GND
18	GPIO0_C2	15	16	GPIO1_A0 / UART6_RX_M1 / SPI4_MISO_M2 / I2C2_SDA_M4	32
	+3.3V	17	18	GPIO1_A1 / UART6_TX_M1 / SPI4_MOSI_M2 / I2C2_SCL_M4	33
42	GPIO1_B2 / UART4_RX_M2 / SPI0_MOSI_M2 / PDM1_SDI3_M1	19	20	GND	-
41	GPIO1_B1 / SPI0_MISO_M2 / PDM1_SDI2_M1	21	22	GPIO1_B0 / SPI2_CS1_M0 / PDM1_SDI1_M1	40
43	GPIO1_B3 / UART4_TX_M2 / SPI0_CLK_M2 / PDM1_CLK1_M1	23	24	GPIO1_B4 / UART7_RX_M2 / SPI0_CS0_M2 / PDM1_CLK0_M1	44
-	GND	25	26	GPIO1_B5 / UART7_TX_M2 / SPI0_CS1_M2	45
57	GPIO1_D1 / SPI1_MOSI_M2 / UART6_RX_M2 / I2C7_SDA_M0 / PDM0_SDI1_M0 / I2S0_SDO2 / I2S0_SDI3	27	28	GPIO1_D0 / SPI1_MISO_M2 / UART6_TX_M2 / I2C7_SCL_M0 / I2S0_SDO1	56
58	GPIO1_D2 / SPI1_CLK_M2 / UART4_TX_M0 / PWM0_M1 / I2C1_SCL_M4 / PDM0_SDI2_M0 / I2S0_SDO3 / I2S0_SDI2	29	30	GND	-
59	GPIO1_D3 / SPI1_CS0_M2 / UART4_RX_M0 / PWM1_M1 / I2C1_SDA_M4 / PDM0_SDI3_M0 / I2S0_SDI1	31	32	GPIO4_B2 / CAN1_RX_M1 / PWM14_M1 / I2S1_SDO1_M0 / UART8_RTSN_M0 / SPI0_CS0_M1 / I2C7_SCL_M3	138
139	GPIO4_B3 / CAN1_TX_M1 / PWM15_IR_M1 / I2S1_SDO2_M0 / UART8_CTSN_M0 / I2C7_SDA_M3	33	34	GND	-
52	GPIO1_C4 / SPI4_CS1_M0 / PWM11_IR_M2 / I2C2_SDA_M3 / PDM0_CLK1_M0	35	36	GPIO1_D5 / SPI1_CS1_M2 / PDM0_SDI0_M0	61
54	GPIO1_C6 / PWM15_IR_M2 / I2C4_SDA_M4 / PDM0_CLK0_M0	37	38	GPIO0_C4 / I2C4_SDA_M2 / PDM0_CLK1_M1 / UART0_RX_M0 / PWM2_M0	20
-	GND	39	40	GPIO0_C5 / I2S1_SDI0_M1 / I2C4_SCL_M2 / PWM4_M0 / UART0_TX_M0	21

FAN

0.8mm connector (CN4)

Pin	Assignment	Description
1	VCC_5V0	5V Power ouput
2	GND	GND
3	PWM	PWM Control

HPOUT

0.8mm connector (CN3)

Pin	Assignment	Description
1	AOR	Right channel
2	AOL	Left channel
3	GND	GND

VRTC

0.8mm connector(J27)

Pin	Assignment	Description
1	+	Positive electrode
2	-	negative electrode

Getting started

📝

CM7s User Manual

How to start using your CM7s

Development Materials

SDK source code

📚

ArmSom-bsp

Building a Linux System

📚

Armbian

Armbian Linux build framework

📗

CM7s kernel

Improved Rockchip Linux

📘

CM7s uboot

ArmSoM/u-boot

📕

RKNN-LLM

AI models to Rockchip chips

Hardware info

Get CM7s schematics, DXF, and other hardware materials

Google Drive link

📄

CM7s SCH

📃

CM7s 2D

📜

CM7s SMD

📑

Datasheet

💡

Case 3D

Official mirror

The ArmSoM team uses Debian bullseye as the official operating system.How do I flash a system image?📤📤

The following systems have been officially tested and verified by ArmSoM:

logo	Description	Download
	debian12 for CM7s-IO : Debian 12 brings thousands of new and updated packages, supporting a variety of desktop environments and processor architectures (including 32-bit and 64-bit PCs, ARM, MIPS, and PowerPC). But one of the biggest changes is that the Linux kernel has been upgraded from version 5.10 to 6.1 LTS.
	Android14 for CM7s-IO : The latest operating system upgrade makes your device more personalized, secure, and accessible. Improved photo quality, new themes, and AI-generated wallpapers. Privacy updates to protect your health, safety, and data. Accessibility features have also been expanded.
	ubuntu22.04 for CM7s : Ubuntu 22.04, code-named 'Jammy Jellyfish', is a version officially released by Canonical on April 21, 2022.

Third-party mirror

logo	Description	Download
	Armbian for CM7s: Armbian is a computing build framework that lets users create ready-to-use images with working kernels based on various single-board computer configurations. It provides a variety of pre-built images for some supported single-board computers, usually based on Debian or Ubuntu.
	ubuntu-rockchip for CM5 : This project aims to provide a default Ubuntu experience for Rockchip RK3588 devices. Get started now by choosing the right Ubuntu server or desktop image and enjoy a familiar environment.

Product Certificate

CE / FCC / RoHS

Supply Statement

ArmSoM-CM7s will be produced at least until August 2034.

Accessory

The official accessories we designed for the ArmSoM-CM7s-IO are meant to help you get the best performance from your computer.

Display-10-hd

10.1-inch touchscreen display, can be used for interactive projects like entertainment systems and information dashboards.

Camera-module1

The camera-module1 is compatible with the OV13850 and is a low-power camera module.

Purchase Samples

ArmSoM Official Website: https://www.armsom.org/product-page/cm7s

ArmSoM Official AliExpress Store: https://aliexpress.ru/item/1005013244630755.html?gatewayAdapt=glo2rus&sku_id=12000060657514869

ArmSoM Official Taobao Store: https://item.taobao.com/item.htm?id=1074292029401

For OEM & ODM, please contact: sales@armsom.org

Expert Perspective

User Case

Notes

[Electrostatic Protection]

1. Before handling the device, please ensure you wear an anti-static wrist strap or take electrostatic discharge measures to prevent damage to the development board.
2. Assembly should be performed in an electrostatic-safe environment, avoiding operations in dry and low-humidity conditions.
3. When not in use, store the device in an anti-static bag and keep it in a suitably temperature-controlled, low-humidity environment to prevent static electricity buildup.
4. When handling the device, avoid friction or collisions to prevent the generation of static electricity that could cause damage.
5. When holding the device, try to avoid direct contact with the chips on the mainboard to prevent static damage.
6. Do not plug or unplug wires or other devices while the device is operating to avoid damage from electrical surges.
7. When connecting or disconnecting the GPIO/MIPI expansion interfaces, make sure to turn off the power and disconnect the power cable to prevent damage from electrical current.

[Heat Management]

Without effective cooling measures, the surface temperature of the main chip may exceed 60 degrees. When handling the device, please avoid direct contact with the SoC and surrounding power inductors to prevent burns. Ensure that the environment is well-ventilated during operation to prevent localized heat buildup, which could lead to overheating. Additionally, do not place the device in direct sunlight. It is recommended to choose between the official cooling fan, heat sink, or third-party cooling kits based on specific usage conditions to ensure optimal cooling performance.