151 datasheet(14/121 Pages) RENESAS

14 / 121 page

REJ03B0230-0110

Rev.1.10

Page 14 of 116

Sep 06, 2010

R32C/151 Group

1. Overview

Table 1.10

Pin Definitions and Functions (3/3)

Function

Symbol

I/O

Description

A/D converter

AN_0 to AN_7,

AN0_0 to AN0_7,

AN2_0 to AN2_7,

AN15_0 to AN15_7

Analog input for the A/D converter

ADTRG

External trigger input for the A/D converter

ANEX0

I/O

Expanded analog input for the A/D converter and output

in external op-amp connection mode

ANEX1

Expanded analog input for the A/D converter

D/A converter

DA0, DA1

Output for the D/A converter

Reference voltage

input

VREF

Reference voltage input for the A/D converter and D/A

converter

Intelligent I/O

IIO0_0 to IIO0_7

I/O

Input/output for the Intelligent I/O group 0. Either input

capture or output compare is selectable

IIO1_0 to IIO1_7

I/O

Input/output for the Intelligent I/O group 1. Either input

capture or output compare is selectable

IIO2_0 to IIO2_7

I/O

Input/output for the Intelligent I/O group 2. Either input

capture or output compare is selectable

IIO3_0 to IIO3_7

I/O

Input/output for the Intelligent I/O group 3. Either input

capture or output compare is selectable

UD0A, UD1A,

UD0B, UD1B

Input for the two-phase encoder

Serial bus

interface

SSO0 to SSO2

I/O

Serial data output. Functions as serial data input/output

in 4-wire serial bus mode

SSI0 to SSI2

I/O

Serial data input. Functions as serial data input/output in

4-wire serial bus mode

SSCK0 to SSCK2

I/O Transmit/receive clock input/output

SCS0 to SCS2

I/O Input/output to control the synchronous serial interface

LIN module

LIN0_0OUT to

LIN0_3OUT

Transmit data output for the LIN communications

LIN0_0IN to

LIN0_3IN

Receive data input for the LIN communications

LIN1_0OUT to

LIN1_3OUT

Transmit data output for the LIN communications

LIN1_0IN to

LIN1_3IN

Receive data input for the LIN communications

CAN module

CAN0IN, CAN1IN

Receive data input for the CAN communications

CAN0OUT,

CAN1OUT

Transmit data output for the CAN communications

CAN0WU, CAN1WU

Input for the CAN wake-up interrupt

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