RK3506-dat

RK3506 is a system-on-chip (SoC) that integrates A7 and M0 cores for smart IoT devices. It has multiple functions and rich interfaces, supports Linux operating system, and is suitable for a variety of application scenarios, such as smart home, building intercom, PLC and other AIoT solutions. The following is a chip introduction of RK3506, which is convenient for customers to select and define products.

System Peripherals

• CPU Subsystem: Cortex-A7 three-core processor with NEON/FPU support, providing high-performance computing capabilities.
• Clock and reset: Contains multiple PLLs (phase-locked loops) for clock management.
• Interrupt controller: used to handle system interrupts.
• System registers: used to configure and control chip behavior.

Connectivity

• USB OTG 2.0: Provides two USB OTG 2.0 interfaces to support high-speed data transmission.
• Ethernet: Has SAI TX/RX multi-channel interface for network connection.

Audio Processing

• Audio ADC: 1-channel audio analog-to-digital converter.
• AudioDSM: 2-channel audio digital signal processor.
• PDM RX: 8-channel pulse density modulation receiver.

Video Processing

• 2D Graphics Engine: Supports graphics rendering.
• Video Output Processor: Supports multiple video output formats.
• MIPI Output: Supports dual-channel MIPI output, 1.5Gbps per channel.

Storage and Memory

• System SRAM: 48KB system random access memory.
• ROM: 32KB read-only memory.
• OTP: One-time programmable memory with 1Kbit user space and 7Kbit security space.

Operating System

• Linux 6.1 SDK Alpha Version

  Main Functions:

• Supports Buildroot system build.
• Supports multiple file system types, including EXT2/3/4, VFAT, NTFS, UBIFS, SquashFS.
• Supports OTA, AB, Recovery and other upgrade recovery methods.
• Supports SecureBoot secure boot.
• Provides ROCKCHIP_TEST stress test tool.
• Supports data communication methods such as Wi-Fi, Ethernet card, USB, SD card, etc.
• Supports home appliance display control UI display and video playback applications.

Other Features

• GPIO: Programmable input and output interface.
• CAN: Two CAN bus interfaces.
• ASRC: 4-channel audio sampling rate converter.
• DMAC: Two direct memory access controllers.
• External storage interface: Supports storage interfaces such as eMMC, SD/MMC, and QSPI.