R5F526TACDFM datasheet(21/142 Pages) RENESAS

21 / 142 page

R01DS0407EJ0120 Rev.1.20

Page 21 of 142

Oct 31, 2024

RX26T Group

1. Overview

Serial communications

interface (SCIk)

 Asynchronous mode/clock synchronous mode

SCK1, SCK5, SCK6

I/O

Input/output pins for the clock

RXD1, RXD5, RXD6

Input

Input pins for received data

TXD1, TXD5, TXD6

Output

Output pins for transmitted data

CTS1#, CTS5#, CTS6#

Input

Input pins for controlling the start of transmission and reception.

RTS1#, RTS5#, RTS6#

Output

Output pins for controlling the start of transmission and

reception.

 Simple I2C mode

SSCL1, SSCL5, SSCL6

I/O

Input/output pins for the I2C clock.

SSDA1, SSDA5, SSDA6

I/O

Input/output pins for the I2C data.

 Simple SPI mode

SCK1, SCK5, SCK6

I/O

Input/output pins for the clock

SMISO1, SMISO5, SMISO6

I/O

Input/output pins for slave transmit data.

SMOSI1, SMOSI5, SMOSI6

I/O

Input/output pins for master transmit data.

SS1#, SS5#, SS6#

Input

Chip-select input pins.

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 (RSCI)

 Asynchronous mode/clock synchronous mode

SCK008, SCK009, SCK011

I/O

Input/output pins for the clock

RXD008, RXD009, RXD011

Input

Input pins for received data

TXD008, TXD009, TXD011

Output

Output pins for transmitted data

CTS008#, CTS009#, CTS011#

Input

Input pins for controlling the start of transmission and reception

RTS008#, RTS009#, RTS011#

Output

Output pins for controlling the start of transmission and

reception

DE008, DE009, DE011

Output

DriveEnable output pins

 Simple I2C mode

SSCL008, SSCL009, SSCL011 I/O

Input/output pins for the I2C clock

SSDA008, SSDA009,

SSDA011

I/O

Input/output pins for the I2C data

Table 1.4

Pin Functions (3/5)

Classifications

Pin Name

I/O

Description

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