HT82M398A(2000) データシートの表示（PDF） - Holtek Semiconductor

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HT82M398A
(Rev.:2000)

WIN2000 3D PS/2 Mouse Controller

Holtek Semiconductor 

HT82M398A

Pin Description

Pin No. Pin Name

1, 2

Z1, Z2

3

VDD

4

B5

5

VSS

6

OSCI

I/O

Description

I

Z, axis input supports two kinds of scroller input, namely;

optomechanical and mechanical.

¾ Positive power supply

I Button 5, normal pull-low (50kW), Press connect to high.

¾ Negative power supply

I

2MHz RC oscillator for system frequency with external pull-high

resistor and built-in Capacitor.

7

8

9~11

12

13~16

CLK

I/O

CLK I/O, PS/2 mouse CLK line. NMOS open drain output with 5kW

pull-high resistor.

DATA

I/O

DATA I/O, PS/2 mouse DATA line. NMOS open drain output with

5kW pull-high resistor.

RB, RO, LB

Right Button: Normal pull-low (50kW),

Pressing the button connects to high.

I

Rolling Button: Normal pull-low (50kW),

Pressing the button connects to high.

Left Button: Normal pull-low (50kW),

Pressing the button connects to high.

B4

I Button 4, normal pull-low (50kW), Press connect to high.

X1, X2, Y1, Y2

I

X/Y axis photo input with built-in Holtek¢s special dynamic photo

input resistor

Absolute Maximum Ratings

Supply Voltage..............................-0.3V to 6.5V

Input Voltage .................VSS-0.3V to VDD+0.3V

Storage Temperature.................-50°C to 125°C

Operating Temperature ..............-25°C to 70°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-

mum Ratings² may cause substantial damage to the device. Functional operation of this device

at other conditions beyond those listed in the specification is not implied and prolonged expo-

sure to extreme conditions may affect device reliability.

2

February 22, 2000

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