HT82M30A データシートの表示（PDF） - Holtek Semiconductor

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HT82M30A

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

Holtek Semiconductor 

HT82M30A

D.C. Characteristics

Symbol

Parameter

Test Conditions

VDD

Conditions

VDD

Operating Voltage

¾ fSYS=2MHz

IDD

Operating Current

5V No load, fSYS=2MHz

Input Low Voltage for RB, LB, RO, Z1,

VIL1

Z2, RB1, RB0, SDIO, SEL1, SEL2, ¾

¾

PS2CK and PS2D

Input High Voltage for RB, LB, RO, Z1,

VIH1

Z2, RB1, RB0, SDIO, SEL1, SEL2, ¾

¾

PS2CK and PS2D

VIL2

Input Low Voltage for RES

¾

¾

VIH2

Input High Voltage for RES

¾

¾

IOL

I/O Port Sink Current

5V VOL=0.1VDD

IOH

I/O Port Source Current

5V VOL=0.9VDD

Pull-high Resistance for RB, LB, RO, Z1,

RPH

Z2, RB1, RB0, SDIO, SEL1, SEL2, 5V

¾

PS2CK and PS2D

Ta=25°C

Min. Typ. Max. Unit

4.0 5.0 5.5 V

¾ 2.5

4

mA

0

¾ 0.3VDD V

0.7VDD ¾

VDD

V

0

¾ 0.4VDD V

0.9VDD ¾

VDD

V

10 20 ¾ mA

-2 -4

¾ mA

10 30 50 kW

A.C. Characteristics

Symbol

Parameter

tWDTOSC

tWDT1

tRES

Watchdog Oscillator Period

Watchdog Time-out Period

External Reset Low Pulse Width

Test Conditions

VDD

Conditions

Min. Typ. Max. Unit

5V

¾

32 65 130 ms

5V Without WDT prescaler 8

17

33 ms

¾

¾

1

¾

¾

ms

Rev. 1.10

3

August 4, 2004

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