GMS81C3004 Просмотр технического описания (PDF) - Hyundai Micro Electronics

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производитель

GMS81C3004

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH LCD DRIVER

Hyundai Micro Electronics 

GMS81C3004

PIN NAME

VDD

VSS

TEST

RESET

VCL1~VCL5

XIN

XOUT

SXIN

SXOUT

R00 (INT0)

R01 (INT1)

R02 (INT2)

R03 (EC1)

R04

R05

R06 (LCDCK)

R07

R10 (KS0)

R11 (KS1)

R12 (KS2)

R13 (BUZ/KS3)

R14~R17

(CMP0~CMP3/

KS4~KS7)

R20~R22

SEG0~SEG7

(R40~R47)

SEG8~SEG15

(R50~R57)

SEG16~SEG23

(R60~R67)

SEG24~SEG31

(R70~R77)

SEG32~SEG39

COM0~COM7

Pin No.

46

11

45

44

20~24

48

47

50

49

33

34

35

36

37

38

39

40

25

26

27

28

In/Out

-

-

I

I

-

I

O

I

O

I/O (Input)

I/O (Input)

I/O (Input)

I/O (Input)

I/O

I/O

I/O (Output)

I/O

I/O (Input)

I/O (Input)

I/O (Input)

I/O (Output/Input)

Function

Supply voltage

Circuit ground

For test purposes. Should connect it to GND for normal operation.

Reset signal input

LCD power supply

Main oscillation input

Main oscillation output

Sub oscillation input

Sub oscillation output

External interrupt 0 input

External interrupt 1 input

External interrupt 2 input

8-bit general I/O ports

External counter input

-

-

LCD clock output

-

8-bit general I/O ports

Key scan input

Buzzer output or key scan input

29~32

I/O

(Input/Input)

Comparator input 0~3 or key scan

input 4~7

41,42,

43

I/O

3-bit general I/O ports

-

51~58

Output (I/O)

8-bit general I/O ports

59~66

67~74

1,2,

75~80

3~10

12~19

Output (I/O)

Output (I/O)

Output (I/O)

O

O

Segment signal output ports

Segment signal output ports

Common signal output ports

8-bit general I/O ports

8-bit general I/O ports

8-bit general I/O ports

Table 5-1 Port Function Description

6

MAR. 1999 Ver 1.01

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