From cc8d81e6d6a26944a5c7d4f0b2b5d5f5ed4ab419 Mon Sep 17 00:00:00 2001 From: Tang ZZ Date: Sat, 15 Aug 2026 15:40:11 +0800 Subject: [PATCH 1/2] docs: add CM5 power supply specification to README --- docs/som/cm/cm5/README.md | 22 ++++++++++++++----- .../current/som/cm/cm5/README.md | 22 ++++++++++++++----- 2 files changed, 32 insertions(+), 12 deletions(-) diff --git a/docs/som/cm/cm5/README.md b/docs/som/cm/cm5/README.md index 26964300c..5ed8edfef 100644 --- a/docs/som/cm/cm5/README.md +++ b/docs/som/cm/cm5/README.md @@ -18,14 +18,14 @@ Radxa CM5 是基于 Rockchip RK3588S 片上系统 (SoC) 的系统模块 (SoM)。 #### 特性 -| Features | Description | -| -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -| SoC | Rockchip RK3588S2 | +| Features | Description | +| -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| SoC | Rockchip RK3588S2 | | CPU | Quad Cortex®‑A76 @ 2.2~2.4GHz and a quad Cortex®‑A55 @ 1.8GHz
based on Arm® DynamIQ™ configuration | | GPU | Arm Mali™ G610MP4 GPU ‑ OpenGL® ES1.1, ES2.0, and ES3.2 ‑ OpenCL®
1.1, 1.2 and 2.2 ‑ Vulkan® 1.1 and 1.2 ‑ Embedded high performance 2D
image acceleration module | -| NPU | NPU supporting INT4 / INT8 / INT16 / FP16 / BF16 and TF32 acceleration
and computing power is up to 6TOPs | -| Memory | 1GB, 2GB, 4GB, 8GB or 16GB LPDDR4X (depending on SKU) | -| Storage | Optional 4GB / 8GB / 16GB / 32GB, up to 512GB Onboard eMMC Compatible with eMMC 5.1
Supports SDMMC interface for data storage and OS booting using
SD cards | +| NPU | NPU supporting INT4 / INT8 / INT16 / FP16 / BF16 and TF32 acceleration
and computing power is up to 6TOPs | +| Memory | 1GB, 2GB, 4GB, 8GB or 16GB LPDDR4X (depending on SKU) | +| Storage | Optional 4GB / 8GB / 16GB / 32GB, up to 512GB Onboard eMMC Compatible with eMMC 5.1
Supports SDMMC interface for data storage and OS booting using
SD cards | @@ -56,6 +56,16 @@ Radxa CM5 是基于 Rockchip RK3588S 片上系统 (SoC) 的系统模块 (SoM)。 +### 供电 + +Radxa CM5 模块输入电压（VCC_SYSIN）范围为 3.6V-5.2V，在 4V 时效率最高。若输入电压达到或超过 5V，电压调节电路可能产生可闻的嗡鸣声。 + +典型工作电流为 2A。设计载板供电电路时，推荐使用 4V 3A 电源。 + +:::note +Rockchip 官方推荐为 RK806 PMU 提供 4V 电源，以确保最佳效率和峰值性能。使用 5V 电源可能降低效率，并可能导致 DC-DC 啸叫问题。 +::: + ### 芯片框图 ![RK3588s block diagram](/img/cm5/rk3588s-block-diagram.webp) diff --git a/i18n/en/docusaurus-plugin-content-docs/current/som/cm/cm5/README.md b/i18n/en/docusaurus-plugin-content-docs/current/som/cm/cm5/README.md index dd5bdf5fa..512b3ffc3 100644 --- a/i18n/en/docusaurus-plugin-content-docs/current/som/cm/cm5/README.md +++ b/i18n/en/docusaurus-plugin-content-docs/current/som/cm/cm5/README.md @@ -16,14 +16,14 @@ The Radxa CM5 is a System on Module (SoM) based on a the Rockchip RK3588S System #### Features -| Features | Description | -| -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -| SoC | Rockchip RK3588S/RK3588S2 | +| Features | Description | +| -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| SoC | Rockchip RK3588S/RK3588S2 | | CPU | Quad Cortex®‑A76 @ 2.2~2.4GHz and a quad Cortex®‑A55 @ 1.8GHz
based on Arm® DynamIQ™ configuration | | GPU | Arm Mali™ G610MP4 GPU ‑ OpenGL® ES1.1, ES2.0, and ES3.2 ‑ OpenCL®
1.1, 1.2 and 2.2 ‑ Vulkan® 1.1 and 1.2 ‑ Embedded high performance 2D
image acceleration module | -| NPU | NPU supporting INT4 / INT8 / INT16 / FP16 / BF16 and TF32 acceleration
and computing power is up to 6TOPs | -| Memory | 1GB, 2GB, 4GB, 8GB or 16GB LPDDR4X (depending on SKU) | -| Storage | Optional 4GB / 8GB / 16GB / 32GB, up to 512GB Onboard eMMC Compatible with eMMC 5.1
Supports SDMMC interface for data storage and OS booting using
SD cards | +| NPU | NPU supporting INT4 / INT8 / INT16 / FP16 / BF16 and TF32 acceleration
and computing power is up to 6TOPs | +| Memory | 1GB, 2GB, 4GB, 8GB or 16GB LPDDR4X (depending on SKU) | +| Storage | Optional 4GB / 8GB / 16GB / 32GB, up to 512GB Onboard eMMC Compatible with eMMC 5.1
Supports SDMMC interface for data storage and OS booting using
SD cards | @@ -52,6 +52,16 @@ The Radxa CM5 is a System on Module (SoM) based on a the Rockchip RK3588S System +### Power Supply + +The input voltage range of the Radxa CM5 module (VCC_SYSIN) is 3.6V-5.2V, with the maximum efficiency achieved at 4V. Supplying 5V or above may cause audible humming from the voltage regulating circuit. + +Typical current consumption is 2A. For the power supply circuit on your carrier board, we recommend a 4V 3A supply. + +:::note +Rockchip officially recommends a 4V power supply for the RK806 PMU to ensure optimal efficiency and peak performance. Using a 5V supply may result in reduced efficiency and potentially lead to DC-DC whistling issues. +::: + ### Chip Block Diagram ![RK3588s block diagram](/img/cm5/rk3588s-block-diagram.webp) From 588e8587194b13c4c9b6f0a6e096a2c6d3b9a14b Mon Sep 17 00:00:00 2001 From: Tang Zaozao Date: Tue, 18 Aug 2026 17:15:11 +0800 Subject: [PATCH 2/2] docs(cm5): translate CM5 specification table into Chinese --- docs/som/cm/cm5/README.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/docs/som/cm/cm5/README.md b/docs/som/cm/cm5/README.md index 5ed8edfef..86014b40e 100644 --- a/docs/som/cm/cm5/README.md +++ b/docs/som/cm/cm5/README.md @@ -18,14 +18,14 @@ Radxa CM5 是基于 Rockchip RK3588S 片上系统 (SoC) 的系统模块 (SoM)。 #### 特性 -| Features | Description | -| -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -| SoC | Rockchip RK3588S2 | -| CPU | Quad Cortex®‑A76 @ 2.2~2.4GHz and a quad Cortex®‑A55 @ 1.8GHz
based on Arm® DynamIQ™ configuration | -| GPU | Arm Mali™ G610MP4 GPU ‑ OpenGL® ES1.1, ES2.0, and ES3.2 ‑ OpenCL®
1.1, 1.2 and 2.2 ‑ Vulkan® 1.1 and 1.2 ‑ Embedded high performance 2D
image acceleration module | -| NPU | NPU supporting INT4 / INT8 / INT16 / FP16 / BF16 and TF32 acceleration
and computing power is up to 6TOPs | -| Memory | 1GB, 2GB, 4GB, 8GB or 16GB LPDDR4X (depending on SKU) | -| Storage | Optional 4GB / 8GB / 16GB / 32GB, up to 512GB Onboard eMMC Compatible with eMMC 5.1
Supports SDMMC interface for data storage and OS booting using
SD cards | +| 类别 | 规格 | +| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| 系统级芯片(SoC) | Rockchip RK3588S2 | +| 中央处理器(CPU) | 四核 Cortex®‑A76 @ 2.2~2.4GHz 和四核 Cortex®‑A55 @ 1.8GHz
基于 Arm® DynamIQ™ 配置 | +| 图形处理器(GPU) | Arm Mali™ G610MP4 GPU ‑ OpenGL® ES1.1、ES2.0 和 ES3.2 ‑ OpenCL®
1.1、1.2 和 2.2 ‑ Vulkan® 1.1 和 1.2 ‑ 嵌入式高性能 2D
图像加速模块 | +| 神经网络处理器(NPU) | NPU 支持 INT4 / INT8 / INT16 / FP16 / BF16 和 TF32 加速，
算力高达 6TOPs | +| 内存 | 1GB、2GB、4GB、8GB 或 16GB LPDDR4X（视 SKU 而定） | +| 存储 | 可选 4GB / 8GB / 16GB / 32GB，最高 512GB 板载 eMMC，兼容 eMMC 5.1
支持 SDMMC 接口用于数据存储和
通过 SD 卡启动操作系统 |