GR-PEACH is an Mbed enabled platform which combines the advantages of the Mbed ecosystem and Arduino UNO form factor.



The RZ/A1H includes an Arm® Cortex™-A9 processor along with the integrated peripheral functions required to configure a system.

The RZ/A1H includes a 32-Kbyte L1 instruction cache, a 32-Kbyte L1 data cache, and a 128-Kbyte L2 cache. This LSI also includes on-chip peripheral functions necessary for system configuration, such as a 10-Mbyte large-capacity RAM, 128 Kbytes data-retention RAM(shared by the large-capacity RAM), various timer functions, realtime clock, serial communication interface(UART), I2C bus interface and graphics related functions etc.

Refer the more information from our website:





  • Renesas RZ/A1H
    • High performance Arm® Cortex™-A9 Core
      • including NEON and FPU
    • 400MHz, 10MB On-Chip RAM
    • 32KB Instruction cache, 32 KB Data cache and 128KB L2 cache
    • 2xUSB Host/Device Interface, 1xEthernet
    • 5xSPI, 4xI2C, 8xUART, 8x12-bits ADC, 5xCAN, 2xLCDC, 2xCamera Input
    • 2xSD, 2xMMC, GPIO
    • 8MB FLASH
    • 2xUSB Host/Device Interface, 1xEthernet
    • 5xSPI, 3xI2C, 8xUART, 7x12-bits ADC, 2xCAN
    • 2xCamera Input
    • To be supported
      • 1xLCDC(via LVDS)
  • Arduino UNO form-factor
    • Compatible with a wide range of commercially available shields
    • Built-in USB drag 'n' drop FLASH programmer

Getting Started

Firmware update

3rd Party Tools

TES Guiliani

The C++ HMI Framework “Guiliani” by TES Electronic Solutions allows rapid implementations of smooth, intuitive and high-performance GUIs on cost and energy efficient embedded devices. The Guiliani SDK for GR-PEACH can be downloaded from the following link:

The Guiliani SDK for GR-PEACH is perfectly optimized for the RZ/A microprocessor family and includes WYSIWYG PC Editor "GSE", example GUI applications and everything else you need to set up your own project and create stunning GUIs. Furthermore, a world-wide, unlimited and perpetual production-license for Guiliani-Lite is offered free-of-charge via the Prepaid by Renesas program. For more details on example GUI applications and Prepaid by Renesas program, please see the following links respectively:

Please note that Prepaid by Renesas program can be applied to Mbed OS although there is no description on that platform there. This page will be updated shortly.


Datasheet of RZ/A1H


Optional Shields and modules

Security limitation of this platform


This platform and application is suitable for evaluation and initial development. For production purposes, we recommend to use a different variant with built-in security features such as secure boot and OTP - for more information please contact Renesas.

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