SH7205 datasheet(70/1904 Pages) RENESAS

70 / 1904 page

Section 1 Overview

Rev. 1.00 Mar. 25, 2008 Page 38 of 1868

REJ09B0372-0100

Classification

Symbol

I/O

Name

Function

RTC_X1

Realtime clock

(RTC)

RTC_X2

Crystal oscillator

for RTC/

external clock

Connected to 32.768-kHz crystal

resonator.

RTC_X1 can also be used to input

an external clock.

TxD5 to TxD0

Transmit data

Data output pins.

RxD5 to RxD0

Receive data

Data input pins.

SCK5,

SCK2 to SCK0

I/O

Serial clock

Clock input/output pins.

RTS0

Transmit request Modem control pin.

Serial

communication

interface with

FIFO (SCIF)

CTS0

Transmit enable

Modem control pin.

SSO1, SSO0

I/O

Data

Data I/O pin.

SSI1, SSI0

I/O

Data

Data I/O pin.

SSCK1, SSCK0 I/O

Clock

Clock I/O pin.

Synchronous

serial

communication

unit (SSU)

SCS1, SCS0

I/O

Chip select

Chip select I/O pin.

SCL3 to SCL0

I/O

Serial clock pin

Serial clock I/O pin.

2C bus

interface 3 (IIC3)

SDA3 to SDA0

I/O

Serial data pin

Serial data I/O pin.

SSIDATA5 to

SSIDATA0

I/O

SSI data I/O

I/O pins for serial data.

SSISCK5 to

SSISCK0

I/O

SSI clock I/O

I/O pins for serial clocks.

SSIWS5 to

SSIWS0

I/O

SSI clock LR I/O

I/O pins for word selection.

AUDIO_CLK

External clock for

SSI audio

Input pin of external clock for SSI

audio. A clock input to the divider is

selected from an oscillation clock

input on this pin or pins AUDIO_X1

and AUDIO_X2.

AUDIO_X1

Serial sound

interface with

FIFO (SSIF)

AUDIO_X2

Crystal resonator/

external clock for

SSI audio

Pins for connecting a crystal

resonator for SSI audio. AUDIO_X1

can also be used to input an external

clock. A clock input to the divider is

selected from an oscillation clock

input on these pins or the

AUDIO_CLK pin.

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