HD6432137SW datasheet(76/1061 Pages) RENESAS

76 / 1061 page

Section 1 Overview

Rev. 4.00 Jun 06, 2006 page 22 of 1004

REJ09B0301-0400

Pin No.

Type

Symbol

FP-80A

TFP-80C

I/O

Name and Function

AN7 to

AN0

37 to 30

Input

Analog input: A/D converter analog input pins.

A/D

converter

(ADC)

CN0 to

CN7

21 to 24,

25 to 28

Input

Expansion A/D inputs: Expansion A/D input pins

can be connected to the A/D converter, but since

they are also used as digital input/output pins,

precision will fall.

ADTRG

Input

A/D conversion external trigger input: Pin for

input of an external trigger to start A/D conversion.

D/A

converter

(DAC)

DA0

DA1

Output Analog output: D/A converter analog output pins.

A/D

converter

D/A

converter

AVCC

Input

Analog reference voltage: The analog power

supply pin for the A/D converter and D/A converter.

When the A/D and D/A converters are not used, this

pin should be connected to the system power

supply (+5 V or +3 V).

AVSS

Input

Analog ground: The ground pin for the A/D

converter and D/A converter. This pin should be

connected to the system power supply (0 V).

Timer

connection

VSYNCI,

HSYNCI,

CSYNCI,

VFBACKI,

HFBACKI

Input

Timer connection input: Timer connection

synchronous signal input pins.

VSYNCO,

HSYNCO,

CLAMPO,

CBLANK

Output Timer connection output: Timer connection

synchronous signal output pins.

2C bus

interface

(IIC)

(option)

SCL0

SCL1

Input/

output

2C clock input/output (channels 0 and 1): I2C

clock I/O pins. These pins have a bus drive

function.

The SCL0 output form is NMOS open-drain

SDA0

SDA1

Input/

output

2C data input/output (channels 0 and 1): I2C data

I/O pins. These pins have a bus drive function.

The SDA0 output form is NMOS open-drain.

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