R5F52108ADFF datasheet(11/92 Pages) RENESAS

11 / 92 page

R01DS0041EJ0050 Rev.0.50

Page 11 of 90

Apr 15, 2011

RX210 Group

1. Overview

Under development Preliminary document

Specifications in this document are tentative and subject to change.

Serial

communications

interface (SCId)

 Asynchronous mode/clock synchronous mode

SCK12

I/O

Input/output pin for the clock signal

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 transmit data

SMOSI12

I/O

Input/output pin for master transmit data

SS12#

Input

Chip-select input pin

 Extended serial mode

RXDX12

Input

Input pin for data reception by SCId

TXDX12

Output

Output pin for data transmission by SCId

SIOX12

I/O

Input/output pin for data reception or transmission by SCId

I2C bus interface

(RIIC)

SCL

I/O

Input/output pin for I2C bus interface clocks. Bus can be directly

driven by the NMOS open drain output.

SDA

I/O

Input/output pin for I2C bus interface data. Bus can be directly

driven by the NMOS open drain output.

Serial peripheral

interface (RSPI)

RSPCKA

I/O

Clock input/output pin for the RSPI.

MOSIA

I/O

Input or output data output from the master for the RSPI.

MISOA

I/O

Input or output data output from the slave for the RSPI.

SSLA0

I/O

Input/output pin to select the slave for the RSPI.

SSLA1 to SSLA3

Output

Output pins to select the slave for the RSPI.

12-bit A/D converter

AN000 to AN015

Input

Input pin for the analog signals to be processed by the A/D

converter.

ADTRG0#

Input

Input pin for the external trigger signals that start the A/D

conversion.

D/A converter

DA0, DA1

Output

Output pins for the analog signals to be processed by the D/A

converter.

Comparator A

CMPA1

Input

Input pin for the comparator A1 analog signals.

CMPA2

Input

Input pin for the comparator A2 analog signals.

CVREFA

Input

Input pin for the comparator reference voltage.

Comparator B

CMPB0

Input

Input pin for the comparator B0 analog signals.

CVREFB0

Input

Input pin for the comparator B0 reference voltage.

CMPB1

Input

Input pin for the comparator B1 analog signals.

CVREFB1

Input

Input pin for the comparator B1 reference voltage.

Table 1.4

Pin Functions (3 / 4)

Classifications

Pin Name

I/O

Description

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