GMS81C5108 Datasheet, PDF(10/102 Page) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

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GMS81C5108 Datasheet, PDF (10/102 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

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GMS81C5108

PIN NAME

Primary Function

Pin No.

I/O

Description

Secondary Function

I/O Description

State @ Reset State @ STOP

VDD

VSS

AVDD

Supply Voltage

Circuit Ground

Supply Voltage for

ADC

AVSS

RESET

Ground for ADC

Reset (low active)

âLâ input

âHâ input

WDTOUT

O Watch dog output

Floating (To be State of before

connect Pull-up)

STOP

REMOUT

Remocon output

âLâ output

XIN, XOUT

63, 64 I,O Main clock oscillator -

Oscillation

âLâ, âLâ

SXIN, SXOUT

68, 69 I,O Sub clock oscillator -

Oscillation

VREG

Sub clock voltage

VCL0~VCL2 70,72,73 -

LCD drive voltage

Internal VCL0

Connected

State of before

STOP

VLCDC

LCD drive voltage

booster reference

CAPH,CAPL

74,75 -

LCD drive voltage

booster capacitor

Internal VCL0

Connected

State of before

STOP

SEG0 ~ SEG33 34, 32~1 O LCD segment output -

Segment output

COM0

O LCD common output -

Common output

SEG34/COM3

SEG35/COM2

SEG36/COM1

79~77 O LCD common output. -

LCD segment

output

Common output

R00/INT0

41 I/O

Interrupt Input

R01/INT1

54 I/O

Interrupt Input

R02/INT2

55 I/O

Interrupt Input

R03/EC0

56 I/O

I Event counter input

R04/BUZ

R05/SCK

R06/SO

R07/SI

57 I/O

O Buzzer output

58 I/O

I/O Serial clock I/O

I/O

General I/O port

60 I/O

O Serial Data Output

I Serial Data Input

Input port

State of before

STOP

R10 ~ R17/

KS0 ~ KS7

42~49 I/O

I Key wake-up input

R20 ~ R23/

AN0 ~ AN3

36~39 I/O

A/D converter

analog input

R30,R32,R33 50,52,53 I/O

R31/PWM

51 I/O

PWM output

Table 5-1 Port Function Description

JUNE 2001 Ver 1.0

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