GMS87C2120 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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GMS87C2120

CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

Hyundai Micro Electronics 

Hyundai Micro Electronics

• R00 / INT0, R01 / INT1, R02 / EC0

Data Bus

Data Register

Funcin_sel

Data Bus

Data Bus

Funcin

[INT0, INT1, EC0]

• R03 / BUZO

Data Bus

Direction Register

Read

Funcout

[BUZO]

Data Register

Funcout_sel

1

0

Data Bus

Data Bus

Direction Register

Read

• R04 ~ R07, R10 ~ R17, R20 ~ R27, R30 ~ R35

Data Bus

Data Bus

Data Bus

Data Register

Direction Register

Read

GMS81C2020/GMS81C2120

VDD

Vdisp

[Metal Option]

VDD

Vdisp

[Metal Option]

VDD

Vdisp

[Metal Option]

Nov. 1999 Ver 0.0

preliminary

19

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