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 

GMS81C2020/GMS81C2120

• R56 / PWM1O / T1O

Data Bus

Funcout

[PWM1O/T1O]

Funcout_sel

1

Data Register

0

N-MOS Open Drain sel.

Data Bus

Direction Register

Data Bus

Read

• R60~R67 [AN0 ~ AN7], R70~R74 [AN8 ~ AN11]

Data Bus

Data Register

Hyundai Micro Electro nics

VDD

VDD

VSS

Metal Option

VDD

Data Bus

Direction Register

Data Bus

To A/D Converter

[AN11 ~ AN0]

Analog Input Mode

[ANSEL11 ~ 0]

Analog Ch. Selection

[ADCM.5 ~ ADCM.2]

Read

• RA / Vdisp

Data Bus

Vdisp

Read

VDD

VSS

Metal Option

VDD

Metal option

18

preliminary

Nov. 1999 Ver 0.0

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