RX72N datasheet(21/179 Pages) RENESAS

21 / 179 page

RX72N Group

1. Overview

R01DS0343EJ0120 Rev.1.20

Page 21 of 179

Nov 15, 2023

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 (SCIi)

 Asynchronous mode/clock synchronous mode

SCK7 to SCK11

I/O

Input/output pins for the clock

RXD7 to RXD11

Input

Input pins for received data

TXD7 to TXD11

Output

Output pins for transmitted data

CTS7# to CTS11#

Input

Input pins for controlling the start of transmission and reception

RTS7# to RTS11#

Output

Output pins for controlling the start of transmission and

reception

 Simple I2C mode

SSCL7 to SSCL11

I/O

Input/output pins for the I2C clock

SSDA7 to SSDA11

I/O

Input/output pins for the I2C data

 Simple SPI mode

SCK7 to SCK11

I/O

Input/output pins for the clock

SMISO7 to SMISO11

I/O

Input/output pins for slave transmission of data

SMOSI7 to SMOSI11

I/O

Input/output pins for master transmission of data

SS7# to SS11#

Input

Chip-select input pins

I2C bus interface

SCL0[FM+], SCL1, SCL2,

SCL2-DS

I/O

Input/output pins for clocks. Bus can be directly driven by

the N-channel open drain

SDA0[FM+], SDA1, SDA2,

SDA2-DS

I/O

Input/output pins for data. Bus can be directly driven by

the N-channel open drain

Table 1.4

Pin Functions (4/8)

Classifications

Pin Name

I/O

Description

RX72N Datasheet(PDF) 21 Page - Renesas Technology Corp

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