HT6240 データシートの表示（PDF） - Holtek Semiconductor

部品番号

コンポーネント説明

メーカー

HT6240

Infrared Remote Encoder

Holtek Semiconductor 

HT6240-002

Pad Description

Pad No.

Pad Name

1

PRB

2

OSCI

3

OSCO

4

DATA

5~8

9~16

17

18

19

20

IE0~IE3

OF7~OF0

CT

VDD

VSS

TEST

I/O

Internal

Connection

Description

I

CMOS

Pull-high

Power on reset

I

CMOS

Oscillator input

O

CMOS

Oscillator output

I/O

CMOS, NMOS

Pull-high

Detect custom code and extended code

I

CMOS

Pull-high

Detect input from key matrix

O

NMOS

Drive for key scan

O

CMOS

Generates output transmission code

¾

¾

Positive power supply

¾

¾

Negative power supply

I

CMOS

TEST=Low normal mode

TEST=High test mode

Approximate internal connection circuits

In p u t te r m in a l

P in : T E S T , O S C I

V DD

P in : P R B , IE 0 ~ IE 3

V DD

V DD

O u tp u t te r m in a l

P in : O S C O , C T

V DD

P in : O . 0 ~ O . 7

B id ir e c tio n a l te r m in a l

P in : D A T A

V DD

Rev. 1.30

3

November 6, 2002

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