Overview
Description
The RH850/U2B Starter Kit is a compact platform for evaluating Renesas 32-bit RH850/U2B microcontrollers. Powered by four RH850G4MH2 cores at 400MHz, it delivers high-performance real-time processing for automotive applications.
The kit includes a 12V power supply with the ASIL D-compliant RAA271084 PMIC for safe, reliable operation. Debugging is simple with a 14-pin LPD/JTAG debug port. Connectivity options include Ethernet, two CAN FD channels for high-speed communication, and LIN/SENT interfaces for sensor integration. Two Pmod™ connectors support I2C/SPI expansion for easy prototyping. The kit also features a 128×64 OLED display, LEDs, and a rotary encoder with RGB lighting for interactive feedback. Analog inputs, along with motor control and resolver I/Os, enable robust testing. Optimized for motor control, it supports advanced drive systems such as electric power steering and traction control.
Features
- Microcontroller
- Renesas RH850/U2B microcontroller
- Power & Safety
- 12V single-board power supply with onboard voltage regulation
- RAA271084 ASIL D compliant power management IC
- Operating temperature 0°C to +40°C
- Microcontroller Access & Debugging
- 14-pin LPD/JTAG debug port
- Pin headers for MCU access
- External 20MHz crystal resonator
- Connectivity & Expansion
- Ethernet port (10BASE-T / 100BASE-TX)
- Two CAN FD interfaces
- Combined LIN/SENT interface
- Two Pmod interfaces (I2C/SPI)
- USB-C/UART interface
- User Interface & Control
- 128×64 OLED display
- 16 CSI-driven LEDs and four general-purpose LEDs
- Reset switch and two interrupt buttons
- Two analog inputs via potentiometers
- Rotary encoder with RGB LED
- Motor Control & Feedback
- Two motor control outputs
- Two resolver inputs for motor control
Applications
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X-in-1 Electric Vehicle Unit
Integrated X-in-1 EV power system for efficient motor control, charging, and DC/DC conversion.
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Documentation
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| Type | Title | Date |
| Manual - Development Tools |
PDF
7.37 MB
The RH850/U2B Starter Kit is a single board platform that provides the environment to evaluate many of the RH850/U2B's features. It provides communication interfaces (CAN, LIN, Ethernet) as well as Pmod™ ports for extension boards, an OLED display, and motor control ports. The starter kit has a 14-pin LPD/JTAG debug port to simplify integration to a software development environment.
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| Release Note |
PDF
82 KB
All built-in functions on the RH850/U2B Starter Kit are enabled via software. The ASK U2Bx Configurator Tool is a Windows-based GUI software designed to activate and configure all peripheral circuits integrated into the common mainboard. The release note for ASK_U2Bx_Configurator gives a basic overview of how to start the configurator utility.
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Design & Development
Software & Tools
Software & Tools
| Software title
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Software type
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Company
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| CS+ Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0]
(Note: CS+ is not generally promoted to U.S. and European customers.)
(Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
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IDE and Coding Tool | Renesas |
| RH850 Smart Configurator RH850 Smart Configurator is an automatic driver generation tool for internal peripheral I/O modules through GUI settings.
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Solution Toolkit | Renesas |
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Software Downloads
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| Type | Title | Date |
| Software & Tools - Other |
ZIP
15.55 MB
This software package provides example applications for all peripheral circuits included in the RH850/U2B6 Starter Kit. It supports both the Green Hills and Renesas CC-RH compilers, enabling developers to evaluate and prototype embedded systems efficiently.
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| Software & Tools - Software |
ZIP
2.55 MB
All built-in functions on the RH850/U2B Starter Kit are enabled via software. The ASK U2Bx Configurator Tool is a Windows-based GUI software designed to activate and configure all peripheral circuits integrated into the common mainboard.
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2 items
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Related Boards & Kits
Boards & Kits
RH850/U2B 292pin Piggyback Board of RH850 Evaluation Platform
The RH850/U2B 292-pin piggyback board supports all devices of the RH850/U2B series in a 292-pin package. It can be used standalone or in combination with the mainboard of the RH850 evaluation platform. The modular RH850 evaluation platform, consisting of mainboards and piggyback boards, is a... Read More
RH850/U2B 373pin Piggyback Board of RH850 Evaluation Platform
The RH850/U2B 373-pin piggyback board supports all devices of the RH850/U2B series in a 373-pin package. It can be used standalone or in combination with the mainboard of the RH850 evaluation platform. The modular RH850 evaluation platform, consisting of mainboards and piggyback boards, is a... Read More
RH850/U2B 468pin Piggyback Board of RH850 Evaluation Platform
The RH850/U2B 468-pin piggyback board supports all devices of the RH850/U2B series in a 468-pin package. It can be used standalone or in combination with the mainboard of the RH850 evaluation platform. The modular RH850 evaluation platform, consisting of mainboards and piggyback boards, is a... Read More
RH850/U2B10 Target Board with Power Management IC RAA271084 (ASIL D)
The RH850/U2B10 and Power Management IC Target Board serves as an evaluation board with Arduino form factor. The circuit shows a possible implementation of the RH850/U2B10 MCU and an RAA271084 power management IC.
Product Options
| Part Number | Status | Stock | Description |
|---|---|---|---|
| Y-ASK-RH850U2B10 | Active | Out of Stock | RH850/U2B10, power supply included |
| Y-ASK-RH850U2B10-JP | Active | Out of Stock | RH850/U2B10, power supply not included |
| Y-ASK-RH850U2B6 | Active | Out of Stock | RH850/U2B6, power supply included |
| Y-ASK-RH850U2B6-JP | Active | Out of Stock | RH850/U2B6, power supply not included |
Videos & Training
To practically reduce the overall number of ECUs in a car, their functions must become integrated as multiple virtual ECUs on a shared physical ECU. A solution to this challenge is the introduction of a hypervisor-related SW system – developed in cooperation between ETAS and Renesas.
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