HT82M39A(1999) Ver la hoja de datos (PDF) - Holtek Semiconductor

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HT82M39A
(Rev.:1999)

3D PS/2 Mouse Controller

Holtek Semiconductor 

HT82M39A

Pin Description

Pin No. Pin Name I/O

Description

1, 2

Z1, Z2

I

²Z² axis input supports two kinds of scroller input; optomechanical

and mechanical.

3

VDD

I Positive power supply pin

4

NC

No connection

5

VSS

I Negative power supply pin

6

OSCI

I

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

resistor and built-in C

7

CLK

I/O

²CLK I/O²: PS/2 mouse CLK line. NMOS open drain output with

5kW pull-high resistor.

8

DATA

I/O

²DATA I/O²: PS/2 mouse DATA line. NMOS open drain output with

5kW pull-high resistor.

9~11

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.

12

TEST

I For IC manufacture testing, user should leave it floating.

13~16

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

August 5, 1999

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