HT6513B 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT6513B

M+ Plug & Play Mouse Controller

Holtek Semiconductor 

HT6513B

M+ Plug & Play Mouse Controller

Features

· Supports optomechanical mouse

· In M+ mode, compatible with Plug and Play

· Fit a defined Windows 95 class name in

M+ mode

· Uses 32.768kHZ crystal

· Crystal oscillator circuits on chip

· 1200/9600 baud rate serial output

· Power directly from RS-232C without

external power supply

General Description

The HT6513B is specially designed for PnP com-

patible mouse controller. Capable of driving up

to 3 key-switches and 4 photo-couplers

(optomechanical mouse) directly into a standard

Block Diagram

· Three key-switches and four photo-coupler

inputs

· Compatible with both M+ and Mouse

systems

· Microsoft system mode with middle key

supported

· Mouse mode (M+/PC) changeable during

power on reset

· RXD with heavy NMOS open drain output

RS-232C line, and it can be operated without an

external power supply. It is compatible with

both M+ and Mouse systems with false entries

being prevented by internal debounce circuits.

X1

X2

Y1

Y2

TEST

L

M

R

MS

O SCI

O SCO

C o m p a ra to r

a n d M o tio n

D e te c to r

D ebounce

O s c illa to r

C ir c u it

M o d e S e le c to r

T im in g

C o n tro l

H B _LB

P lu g & P la y

ID

C o n v e rte r

D a ta

C om m and

D ecoder

R TS

D a ta O u tp u t

RXD

1

February 1, 2000

This Material Copyrighted By Its Respective Manufacturer

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