32170 datasheet(39/881 Pages) RENESAS

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32170/32174 Group User's Manual (Rev. 2.1)

Real-time

debugger

TXD1

Transmit data

Output

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

RXD1

Receive data

Input

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

TXD2

Transmit data

Output

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

RXD2

Receive data

Input

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

TXD3

Transmit data

Output

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

RXD3

Receive data

Input

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

TXD4

Transmit data

Output

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

RXD4

Receive data

Input

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

TXD5

Transmit data

Output

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

RXD5

Receive data

Input

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

RTDTXD

Transmit data

Output

Serial data output pin for the real-time debugger.

RTDRXD

Receive data

Input

Serial data input pin for the real-time debugger.

RTDCLK

Clock input

Input

Serial data transmit/receive clock input pin for the

real-time debugger.

RTDACK

Acknowledge

Output

This pin outputs a low pulse synchronously with the beginning

clock of the real-time debugger's serial data output word. The

duration of this low pulse indicates the type of command/data

that the real-time debugger has received.

Flash

Flash Protect

Input

This mode pin has a function to protect the flash

-only

memory against E/W in hardware.

CAN

CTX

Data output

Output

This pin outputs data from the CAN module.

CRX

Data input

Input

This pin is used to input data to the CAN module.

JTAG

JTMS

Test mode

Input

Test mode select input to control state transition of the

test circuit.

JTCK

clock

Input

Clock input for the debug module and test circuit.

JTRST

Test reset

Input

Test reset input to initialize the test circuit

asynchronously.

JTDI

Serial input

Input

This pin is used to input test instruction code or test

data serially.

JTDO

Serial output

Output

This pin outputs test instruction code or test data

serially.

OVERVIEW

1.3 Pin Function

Table 1.3.1 Description of the 32170 Pin Function (4/6)

Type

Pin Name Signal Name

Input/Output Function

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