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RH850/U2A Starter Kits

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RH850/U2A Starter Kit User's Manual V2.00

Overview

The RH850/U2A Starter Kits serve as a simple and easy to use platform for evaluating the features and performance of Renesas' 32-bit RH850/U2A microcontrollers.

Y-ASK-RH850U2A16
Y-ASK-RH850U2A16 - Top
Y-ASK-RH850U2A16 - Bottom
Y-ASK-RH850U2A16 - Accessories
Y-ASK-RH850U2A - Block Diagram
Y-ASK-RH850U2A16
Y-ASK-RH850U2A16 - Top
Y-ASK-RH850U2A16 - Bottom
Y-ASK-RH850U2A16 - Accessories
Y-ASK-RH850U2A - Block Diagram
  • Single board power supply (12V) with onboard voltage regulator
  • 14-pin LPD/JTAG Debug-port for on-chip debugging and flash memory programming
  • Pin headers for direct access to most microcontroller pins
  • External clock circuit with 20MHz crystal resonator
  • Two Ethernet ports [1x 1000Base-T1, 1x 100Base-TX]
  • Two CAN-FD interfaces
  • One combined LIN/SENT interface
  • Two PMOD connectors providing I2C/SPI connectivity in various standards
  • One USB-C/UART1 interface for PC terminal communication
  • 128 x 64 OLED graphic display
  • SD Card Slot for eMMC use
  • Reset switch, two interrupt push buttons
  • 16 signal LEDs connected via CSI/LED driver
  • 4 general-purpose signal LEDs
  • One potentiometer for analog signal input
  • Rotary encoder with RGB LED illuminated shaft
  • Operating temperature from 0°C to +40°C

Documentation

Design & Development

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Support Communities

  1. OPBT SVR enable caused Crystal malfunction.

    Hi Renesas, We are currently using the RH850/U2A16 MCU in our system and have encountered an issue regarding the SVR (Supply Voltage Regulator). Issue Description: When the SVR is enabled, the 20MHz external crystal fails to oscillate, preventing the system from booting. When the SVR is disabled, the ...

    Feb 6, 2026
  2. How to get the Ethernet Phy driver sample code for RH850 U2A8 R7F702301A microcontroller

    Hi,   I am not able to find out the sample code for RH850U2A8 r7f702301a microcontroller. Please share the sample code link and if you have ethernet sample code please share. I am using smartcofig tools, CS+ compiller

    Sep 3, 2024
  3. RH850/U2x StartUpGuide(OPBT) to RH850/U2Ax StarterKit Sample Code / Build Error.

    ... file.(That's why I'm trying to add it.) https://www.renesas.com/en/design-resources/boards-kits/y-ask-rh850u2a?part-status=Active#design_development https://www.renesas.com/en/document/apn/rh850u2a-eva-group ...

    Jan 16, 2026
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