32180 datasheet(29/839 Pages) RENESAS

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1-12

OVERVIEW

32180 Group User’s Manual (Rev.1.0)

1.3 Pin Functions

Table 1.3.1 Description of Pin Functions (4/5)

Type

Pin Name

Signal Name

Input/Output Description

Serial I/O

TXD0

Transmit data

Output

Transmit data output pin for serial I/O channel 0.

RXD0

Received data

Input

Received data input pin for serial I/O channel 0.

TXD1

Transmit data

Output

Transmit data output pin for serial I/O channel 1.

RXD1

Received data

Input

Received data input pin for serial I/O channel 1.

TXD2

Transmit data

Output

Transmit data output pin for serial I/O channel 2.

RXD2

Received data

Input

Received data input pin for serial I/O channel 2.

TXD3

Transmit data

Output

Transmit data output pin for serial I/O channel 3.

RXD3

Received data

Input

Received data input pin for serial I/O channel 3.

TXD4

Transmit data

Output

Transmit data output pin for serial I/O channel 4.

RXD4

Received data

Input

Received data input pin for serial I/O channel 4.

TXD5

Transmit data

Output

Transmit data output pin for serial I/O channel 5.

RXD5

Received data

Input

Received data input pin for serial I/O channel 5.

Real-time

RTDTXD

RTD transmit data

Output

Serial data output pin for the real-time debugger.

debugger

RTDRXD

RTD received data

Input

Serial data input pin for the real-time debugger.

(RTD)

RTDCLK

RTD clock input

Input

Serial data transmit/receive clock input pin for the real-time

debugger.

RTDACK

RTD acknowledge

Output

A low-level pulse is output from this pin synchronously with

the start clock for the real-time debugger’s serial data output

word. The low-level pulse width indicates the type of command/

data received by the real-time debugger.

CAN

CTX0, CTX1 Transmit data

Output

This pin outputs data from the CAN module.

CRX0, CRX1 Received data

Input

This pin accepts as input the data for the CAN module.

JTAG

JTMS

Test mode select

Input

Test mode select input to control the state transition of the

test circuit.

JTCK

Test clock

Input

Clock input for the debug module and test circuit.

JTRST

Test reset

Input

Test reset input to initialize the test circuit asynchronously

with device operation.

JTDI

Test data input

Input

This pin accepts as input the test instruction code or test data

that is serially received.

JTDO

Test data output

Output

This pin outputs the test instruction code or test data serially.

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