RA4M3 datasheet(10/92 Pages) RENESAS

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Table 1.14

Pin functions (2 of 4)

Function

Signal

I/O

Description

GPT

GTETRGA, GTETRGB,

GTETRGC, GTETRGD

Input

External trigger input pins

GTIOCnA, GTIOCnB

I/O

Input capture, output compare, or PWM output pins

GTIU

Input

Hall sensor input pin U

GTIV

Input

Hall sensor input pin V

GTIW

Input

Hall sensor input pin W

GTOUUP

Output

3-phase PWM output for BLDC motor control (positive U phase)

GTOULO

Output

3-phase PWM output for BLDC motor control (negative U phase)

GTOVUP

Output

3-phase PWM output for BLDC motor control (positive V phase)

GTOVLO

Output

3-phase PWM output for BLDC motor control (negative V phase)

GTOWUP

Output

3-phase PWM output for BLDC motor control (positive W phase)

GTOWLO

Output

3-phase PWM output for BLDC motor control (negative W phase)

AGT

AGTEEn

Input

External event input enable signals

AGTIOn

I/O

External event input and pulse output pins

AGTOn

Output

Pulse output pins

AGTOAn

Output

Output compare match A output pins

AGTOBn

Output

Output compare match B output pins

RTC

RTCOUT

Output

Output pin for 1-Hz or 64-Hz clock

RTCICn

Input

Time capture event input pins

SCI

SCKn

I/O

Input/output pins for the clock (clock synchronous mode)

RXDn

Input

Input pins for received data (asynchronous mode/clock synchronous

mode)

TXDn

Output

Output pins for transmitted data (asynchronous mode/clock

synchronous mode)

CTSn_RTSn

I/O

Input/output pins for controlling the start of transmission and

reception (asynchronous mode/clock synchronous mode), active-

low.

CTSn

Input

Input for the start of transmission.

SCLn

I/O

Input/output pins for the IIC clock (simple IIC mode)

SDAn

I/O

Input/output pins for the IIC data (simple IIC mode)

SCKn

I/O

Input/output pins for the clock (simple SPI mode)

MISOn

I/O

Input/output pins for slave transmission of data (simple SPI mode)

MOSIn

I/O

Input/output pins for master transmission of data (simple SPI mode)

SSn

Input

Chip-select input pins (simple SPI mode), active-low

RXDXn

Input

Input pins for received data (Extended Serial Mode)

TXDXn

Output

Output pins for transmitted data (Extended Serial Mode)

SIOXn

I/O

Input/output pins for receivde or tramsmitted data (Extended Serial

Mode)

IIC

SCLn

I/O

Input/output pins for the clock

SDAn

I/O

Input/output pins for data

RA4M3 Datasheet

1. Overview

R01DS0368EJ0120 Rev.1.20

Dec 2, 2020

Page 10 of 92

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