Driver module R3-RK356802

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Product Introduction
R3-RK356802 is an ARM single-board computer based on the Rockchip RK3568 quad-core Cortex‑A55, integrating a Mali‑G52 GPU and a 1TOPS INT8 NPU. It offers HDMI/RGB/LVDS triple display outputs, multiple serial interfaces and dual CAN for industrial control, AIoT and embedded systems.

Main features

• Rockchip RK3568 SoC, 4×Cortex‑A55 up to 2.0GHz
• Compact ARM single-board computer form factor
• Mali‑G52 GPU + 1TOPS INT8 NPU for on‑device AI inference
• Onboard LPDDR4 1GB; storage: eMMC 8GB + microSD slot
• Display: 1×HDMI + 1×RGB + 1×LVDS (single/dual 8‑bit), triple output
• Interfaces: 2×RS232 + 7×TTL‑5V (+ optional RS232 as TTL), 2×CAN, 1×SPI, 1×I2C
• Optional M.2 for 4G/5G, WiFi6 and Bluetooth; battery charging support; operating temperature 0–60°C

Product Introduction (detailed)
The R3-RK356802 integrates Rockchip RK3568 CPU (4×Cortex‑A55, up to 2.0GHz), Mali‑G52 GPU and a 1TOPS INT8 NPU. Memory is onboard LPDDR4 1GB and storage includes eMMC 8GB plus a microSD slot. HDMI supports up to 3840×2160@60Hz; RGB supports 800×480/800×600; LVDS supports single/dual 8‑bit panels from 800×600 up to 1920×1080. Communication includes 2×RS232 (touchscreen support), 7×TTL‑5V, an optional RS232 as TTL, 2×CAN, 1×SPI and 1×I2C (touchscreen support). USB: 2×USB2.0 (1 debug, 1 to HUB). Audio amplifier supports up to 4Ω‑3W speaker. Network: 1×Gigabit RJ45. Optional WiFi6, Bluetooth and M.2 4G/5G modules are supported. Additional functions: software power‑on, 1×microphone input, 1×12V fan connector, hardware watchdog, nurse‑call GPIO simulation and battery charging support for specified battery types. Power input options: 15V/6.67A or 18V/2.22A; board provides 5V/3A and 12V/3A outputs. OS support: Linux and Buildroot.

Specification
Model: R3-RK356802
Processor: Rockchip RK3568 + RK809, 4×Cortex‑A55, up to 2.0GHz
GPU: Mali‑G52
GPU API: OpenGL ES1.1/2.0/3.2, Vulkan1.1, OpenCL2.0
NPU: INT8, 1TOPS
Memory: Onboard LPDDR4, 1GB max
Storage: eMMC 8GB + 1×microSD card
M.2 slot: 1×M.2 for 4G/5G
Display outputs: 1×HDMI (3840×2160@60Hz) + 1×RGB (800×480/800×600) + 1×LVDS (single/dual 8‑bit, 800×600–1920×1080)
Serial ports: 2×RS232 (touchscreen) + 7×TTL‑5V + optional RS232 as TTL
CAN: 2×CAN
SPI: 1×SPI
I2C: 1×I2C (touchscreen)
USB: 2×USB2.0 (1 debug, 1 to HUB)
Audio: amplifier for up to 4Ω‑3W speaker
Network: 1×RJ45 10/100/1000M
Wireless: optional WiFi6, Bluetooth; M.2 for 4G/5G
Other: software power‑on, 1×mic, 1×12V fan connector, hardware watchdog, nurse‑call GPIO, battery charging
Power input: 15V/6.67A or 18V/2.22A
Power output: 5V/3A + 12V/3A
Battery charging: on‑state charge 1.2A, off‑state charge 2.2A; supports 11.1V‑4800mAh and 14.8V‑2600mAh batteries
Operating temperature: 0–60°C
Storage temperature: -20–70°C
Operating humidity: 5%–85% (0–45°C non‑condensing)
Storage humidity: 5%–95% (-40–85°C non‑condensing)<>PCB color: green
OS: Linux / Buildroot

Technical specifications

• SoC: Rockchip RK3568 + RK809, 4×Cortex‑A55, up to 2.0GHz
• GPU & NPU: Mali‑G52; 1TOPS INT8
• Memory/storage: LPDDR4 1GB onboard; eMMC 8GB + microSD
• Displays: HDMI 4K@60Hz, RGB, LVDS single/dual 8‑bit
• I/O: multiple RS232/TTL, 2×CAN, SPI, I2C, 2×USB2.0
• Network: Gigabit Ethernet; optional WiFi6/Bluetooth/M.2 4G/5G
• Power: multiple input options, onboard 5V/3A and 12V/3A outputs; battery charging
• Environment: operating 0–60°C; storage -20–70°C
• OS support: Linux / Buildroot