RA4E1 datasheet(5/81 Pages) RENESAS

номер детали	RA4E1

подробное описание детали	Renesas Microcontrollers

PDF	81 Pages

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производитель	RENESAS [Renesas Technology Corp]

домашняя страница	http://www.renesas.com

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Table 1.9

Analog

Feature

Functional description

12-bit A/D Converter (ADC12)

A 12-bit successive approximation A/D converter is provided. Up to 9 analog input channels are

selectable.

12-bit D/A Converter (DAC12)

A 12-bit D/A converter (DAC12) is provided.

Table 1.10

Data processing

Feature

Functional description

Cyclic Redundancy Check (CRC)

calculator

The Cyclic Redundancy Check (CRC) generates CRC codes to detect errors in the data. The

bit order of CRC calculation results can be switched for LSB-first or MSB-first communication.

Additionally, various CRC-generation polynomials are available.

Data Operation Circuit (DOC)

The Data Operation Circuit (DOC) compares, adds, and subtracts 16-bit data. When a selected

condition applies, 16-bit data is compared and an interrupt can be generated.

Table 1.11

I/O ports

Feature

Functional description

Programmable I/O ports

● I/O ports for the 64-pin LQFP

– I/O pins: 43

– Input pins: 1

– Pull-up resistors: 44

– N-ch Open-drain outputs: 43

– 5-V tolerance: 9

● I/O ports for the 48-pin QFN

– I/O pins: 29

– Input pins: 1

– Pull-up resistors: 30

– N-ch Open-drain outputs: 29

– 5-V tolerance: 4

RA4E1 Datasheet

1. Overview

R01DS0391EJ0130 Rev.1.30

Jun 6, 2025

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