SH7018 datasheet(24/431 Pages) RENESAS

24 / 431 page

Table 1.2

Pin Functions (cont)

Type

Abbreviation

I/O

Name

Function

Address bus

A0 to A21

Output

Address bus

These pins are used for address

output.

Data bus

D0 to D7

Input/

output

Data bus

This is an 8-bit bi-directional

data bus.

Bus control

CS0 to CS3

Output

Chip select 0 to 3

These pins are used for chip

select signals for external

memory or devices.

Output

Read

Indicates that data is being read

from an external device.

WRL

Output

Write

Indicates that the lower eight

external data bits (bits 7 to 0)

are being written to.

WAIT

Input

Wait

This input is used to insert a wait

cycle when accessing the

external area.

Multifunction timer

pulse unit (MTU)

TIOC0A

TIOC0C

Input/

output

MTU input

capture/output

compare

(channel 0)

Channel 0 input capture

input/output compare

output/PWM output pin.

TIOC1A

TIOC1B

Input/

output

MTU input

capture/output

compare

(channel 1)

Channel 1 input capture

input/output compare

output/PWM output pin.

TIOC2A

TIOC2B

Input/

output

MTU input

capture/output

compare

(channel 2)

Channel 2 input capture

input/output compare

output/PWM output pin.

Serial

communication

interface (SCI)

TxD

Output

Transmit data

Transmit data output pin.

RxD

Input

Receive data

Receive data input pin.

SCK

Input/

output

Serial clock

Clock input/output pin.

SH7018 Datasheet(PDF) 24 Page - Renesas Technology Corp

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