HMS87C1302A 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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HMS87C1302A

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Hyundai Micro Electronics 

HYUNDAI MicroElectronics

HMS87C1304A/HMS87C1302A

• RB2/INT0, RB3/INT1

Pull-up

Select

Data Bus

Data Reg.

Open Drain

Weak Pull-up

VDD

Function

Select

Data Bus

Direction Reg.

VSS

Data Bus

INT0, INT1

Read

Schmitt Trigger

• RC0, RD0, RD1, RD2, RD3

Data Bus

Data Bus

Data Bus

ary Data Reg.

in Direction Reg.

Prelim Read

• RC1

Data Bus

Data Bus

Data Bus

Data Reg.

Open Drain

Direction Reg.

Read

VDD

VSS

Jan. 2001

Preliminary

11

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