RX671 datasheet(22/179 Pages) RENESAS

22 / 179 page

RX671 Group

1. Overview

R01DS0373EJ0120 Rev.1.20

Page 22 of 179

Sep 30, 2024

Serial communications

interface (SCIh)

 Asynchronous mode/clock synchronous mode

SCK12

I/O

Input/output pin for the clock

RXD12

Input

Input pin for received data

TXD12

Output

Output pin for transmitted data

CTS12#

Input

Input pin for controlling the start of transmission and reception

RTS12#

Output

Output pin for controlling the start of transmission and reception

 Simple I2C mode

SSCL12

I/O

Input/output pin for the I2C clock

SSDA12

I/O

Input/output pin for the I2C data

 Simple SPI mode

SCK12

I/O

Input/output pin for the clock

SMISO12

I/O

Input/output pin for slave transmission of data

SMOSI12

I/O

Input/output pin for master transmission of data

SS12#

Input

Chip-select input pin

 Extended serial mode

RXDX12

Input

Input pin for received data

TXDX12

Output

Output pin for transmitted data

SIOX12

I/O

Input/output pin for received or transmitted data

Serial communications

interface (SCIm)

 Asynchronous mode/clock synchronous mode

SCK10, SCK11

I/O

Input/output pins for the clock

RXD10, RXD11

Input

Input pins for received data

TXD10, TXD11

Output

Output pins for transmitted data

CTS10#, CTS11#

Input

Input pins for controlling the start of transmission and reception

RTS10#, RTS11#

Output

Output pins for controlling the start of transmission and

reception

 Simple I2C mode

SSCL10, SSCL11

I/O

Input/output pins for the I2C clock

SSDA10, SSDA11

I/O

Input/output pins for the I2C data

 Simple SPI mode

SCK10, SCK11

I/O

Input/output pins for the clock

SMISO10, SMISO11

I/O

Input/output pins for slave transmission of data

SMOSI10, SMOSI11

I/O

Input/output pins for master transmission of data

SS10#, SS11#

Input

Chip-select input pins

Table 1.4

Pin Functions (4/8)

Classifications

Pin Name

I/O

Description

RX671 Datasheet(PDF) 22 Page - Renesas Technology Corp

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