HT82M30A View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

Manufacturer

HT82M30A

3/5-Key 3D PS/2 Optical Mouse Controller

Holtek Semiconductor 

HT82M30A

Pin Description

Pin Name I/O

Description

RB, RO, LB

Right Button: Normal pull-high resistor (30kW)

I Rolling Button: Normal pull-high resistor (30kW)

Left Button: Normal pull-high resistor (30kW)

Z2/A, Z1/B

I ²Z² axis input supports three kinds of scroller input

Normal pull-high resistor (30kW)

RB1, RB0

I Input ports with 30kW pull-high resistor

SDIO

I/O Serial data for Agilent sensor IC SDIO

SCLK

O Serial data for Agilent sensor IC SCLK

VSS

¾ Negative power supply, ground

For configuring the H2051 400 or 800 DPI, and the Z-axis type (divided by 2 or 4)

SEL1, SEL2

For H2051

SEL1=1 800 DPI (default)

SEL1=0 400 DPI

I

SEL2=1 Z-axis is divided by 2 (default)

SEL2=0 Z-axis is divided by 4

RES

VDD

OSCI

NC

PS2CK

PS2D

For H2610 or H2620

[SEL1, SEL2]={0,0} Z-axis divided by 4

[SEL1, SEL2]={0,1} Z-axis divided by 4

[SEL1, SEL2]={1,1} Z-axis divided by 2 (default)

I Chip reset input, Low active

¾ 5V positive power supply

I 2MHz RC oscillator for system frequency with external pull-high resistor (140kW)

¾ No connection

I/O PS/2 mouse CLK line

I/O PS/2 mouse data line

Absolute Maximum Ratings

Supply Voltage ...........................VSS-0.3V to VSS+6.0V

Input Voltage ..............................VSS-0.3V to VSS+6.0V

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

Operating Temperature...........................-40°C to 85°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum 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 exposure to extreme conditions may affect device reliabil-

ity.

Rev. 1.10

2

August 4, 2004

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