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RH850/U2A Starter Kits

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RH850/U2A Starter Kit User's Manual V2.00Quick Start Guide RH850/U2A Starter Kit V2.0

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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  1. 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
  2. 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
  3. Availability and longevity for RH850/E2UH and RH850/U2A

    Hello, I am evaluating some high-end MCUs for an application and both RH850/E2UH and RH850/U2A seem interesting choices. However, I am not able to find starter kits for any of them - how is the current availability for chips and starter kits for each model? Also ...

    Jun 15, 2024
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