Renesas RH850/U2A 144pin

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All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Electronics Corp. without notice. Please review the latest information published by
Renesas Electronics Corp. through various means, including the Renesas Electronics Corp.
website (
https://www.renesas.com)
Y-RH850-U2A-144PIN-PB-T1-V1
RH850/U2A 144pin
User's Manual: Piggyback Board
www.renesas.comwww.renesas.comwww.renesas.com
Rev.1.01 July 08, 2022
User's Manual
32
RH850 Evaluation Platform
The newest version of this document can be obtained from the following web location:
Y-RH850-U2A-144PIN-PB-T1-V1 Documents

Renesas RH850/U2A 144pin Specifications

General

Architecture	32-bit
CPU Core	RH850 G3M
Package Type	LQFP
Max CPU Frequency	240 MHz
Flash Memory	4MB
RAM	512KB
Operating Temperature	-40°C to +125°C
LIN	Yes
SPI	Yes
I2C	Yes
Ethernet	Yes
CAN FD	Yes
Serial Interfaces	UART
ADC	12-bit
DAC	No
Timers	Yes
PWM Channels	Yes

Summary

Overview of RH850 U2 A 144 pin Piggyback Board

Main Features

Mounting of the Device

Explains the procedure for placing the device into the socket on the board.

Jumpers, Connectors, Switches and LEDs

Jumper Overview

Power Supply

Board Power Connection

Outlines power supply requirements and external connection points for the board.

Voltage Distribution

Details required device power supply pins and their voltage distribution.

Device Core Voltage (VDD) Selection

Explains how to select the core voltage (VDD) source for the device.

Clock Supply

Main Oscillator

Programmable Oscillator

Other Circuitry

Operation Mode Selection

Explains how to configure jumpers for selecting the device's operating modes.

RESET Switch

Pull-UpPull-Down Pin Header

Connectors

Connectors to the Main Board CN1 to CN3

Debug Connector CN4

Provides pin assignment details for the CN4 debug connector.

Pull-UpPull-Down Pin Header CN12

Jumper Configuration Examples

Stand-Alone Operation with Power Supply by Debugger

Example configuration for powering the board solely via a debugger.

Stand-Alone Operation with Single External Power Supply 3.3 V

Configuration for operating the board using only a 3.3 V external power supply.

Stand-Alone Operation with Single External Power Supply 5.0 V

Configuration for operating the board using only a 5.0 V external power supply.

Stand-Alone Operation with All External Power Supplies

Operation on the Main Board: No External Supply

Precautions

Power-Off Sequence

Details the required sequence for safely turning off power to the board.