GMS81C5108 datasheet(10/102 Pages) HYNIX

Part #	GMS81C5108

Description	HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	HYNIX [Hynix Semiconductor]

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10 / 102 page

GMS81C5108

JUNE 2001 Ver 1.0

7

PIN NAME

Pin No.

Primary Function

Secondary Function

State @ Reset

State @ STOP

I/O

Description

I/O

Description

VDD

62

-

Supply Voltage

-

VSS

33

-

Circuit Ground

-

AVDD

35

-

Supply Voltage for

ADC

--

-

AVSS

40

-

Ground for ADC

-

RESET

65

I

Reset (low active)

-

‘L’ input

‘H’ input

WDTOUT

67

O

Watch dog output

-

Floating (To be

connect Pull-up)

State of before

STOP

REMOUT

61

O

Remocon output

-

‘L’ output

XIN, XOUT

63, 64

I,O

Main clock oscillator

-

Oscillation

‘L’, ‘L’

SXIN, SXOUT

68, 69

I,O

Sub clock oscillator

-

Oscillation

VREG

66

-

Sub clock voltage

-

VCL0~VCL2

70,72,73

-

LCD drive voltage

-

Internal VCL0

Connected

State of before

STOP

VLCDC

71

-

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

76

O

LCD common output

-

Common output

SEG34/COM3

SEG35/COM2

SEG36/COM1

79~77

O

LCD common output.

-

LCD segment

output

Common output

State of before

STOP

R00/INT0

41

I/O

General I/O port

I

Interrupt Input

Input port

R01/INT1

54

I/O

I

Interrupt Input

R02/INT2

55

I/O

I

Interrupt Input

R03/EC0

56

I/O

I

Event counter input

R04/BUZ

57

I/O

O

Buzzer output

R05/SCK

58

I/O

Serial clock I/O

R06/SO

59

I/O

O

Serial Data Output

R07/SI

60

I/O

I

Serial Data Input

R10 ~ R17/

KS0 ~ KS7

42~49

I/O

I

Key wake-up input

R20 ~ R23/

AN0 ~ AN3

36~39

I/O

I

A/D converter

analog input

R30,R32,R33

50,52,53

I/O

-

R31/PWM

51

I/O

O

PWM output

Table 5-1 Port Function Description

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