RA4E1 datasheet(2/81 Pages) RENESAS

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Overview

The MCU integrates multiple series of software- and pin-compatible Arm®-based 32-bit cores that share a common set of

Renesas peripherals to facilitate design scalability and efficient platform-based product development.

The MCU in this series incorporates a high-performance Arm Cortex®-M33 core running up to 100 MHz with the following

features:

● Up to 512 KB code flash memory

● 128 KB SRAM

● Quad Serial Peripheral Interface (QSPI)

● USBFS

● Analog peripherals

● Security and safety features

1.1

Function Outline

Regarding Security function, only the access control circuit, random number generation circuit, and unique ID are

supported. The operation of the other circuits is not guaranteed.

Table 1.1

Arm core

Feature

Functional description

Arm Cortex-M33 core

● Maximum operating frequency: up to 100 MHz

● Arm Cortex-M33 core:

– Armv8-M architecture with security extension

– Revision: r0p4-00rel0

● Arm Memory Protection Unit (Arm MPU)

– Protected Memory System Architecture (PMSAv8)

– Secure MPU (MPU_S): 8 regions

– Non-secure MPU (MPU_NS): 8 regions

● SysTick timer

– Embeds two Systick timers: Secure and Non-secure instance

– Driven by SysTick timer clock (SYSTICCLK) or system clock (ICLK)

● CoreSight™ ETM-M33

Table 1.2

Memory

Feature

Functional description

Code flash memory

Maximum 512 KB of code flash memory.

Data flash memory

8 KB of data flash memory.

Option-setting memory

The option-setting memory determines the state of the MCU after a reset.

SRAM

On-chip high-speed SRAM with or without parity bit.

Table 1.3

System (1 of 2)

Feature

Functional description

Operating modes

Two operating modes:

● Single-chip mode

● SCI/USB boot mode

Resets

The MCU provides 13 resets.

Low Voltage Detection (LVD)

The Low Voltage Detection (LVD) module monitors the voltage level input to the VCC pin. The

detection level can be selected by register settings. The LVD module consists of three separate

voltage level detectors (LVD0, LVD1, LVD2). LVD0, LVD1, and LVD2 measure the voltage level

input to the VCC pin. LVD registers allow your application to configure detection of VCC changes

at various voltage thresholds.

RA4E1 Datasheet

1. Overview

R01DS0391EJ0130 Rev.1.30

Jun 6, 2025

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