GMS87C1404 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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GMS87C1404

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Hyundai Micro Electronics 

GMS87C1404/GMS87C1408

HYUNDAI MicroElectronics

PIN NAME

Pin No.

In/Out

VDD

VSS

RESET

5

-

Supply voltage

22

-

Circuit ground

21

I

Reset signal input

XIN

XOUT

RA0 (EC0)

19

I

20

O

25

I/O (Input)

RA1 (AN1)

26

I/O (Input)

RA2 (AN2)

27

I/O (Input)

RA3 (AN3)

RA4 (AN4)

28

I/O (Input)

8-bit general I/O ports

1

I/O (Input)

RA5 (AN5)

2

I/O (Input)

RA6 (AN6)

3

I/O (Input)

RA7 (AN7)

4

I/O (Input)

RB0 (AVref/AN0)

6

I/O (Input)

RB1 (INT0)

7

I/O (Input)

RB2 (INT1)

8

I/O (Input)

RB3 (BUZ)

RB4 (PWM0/COMP0)

9

I/O (Output)

8-bit general I/O ports

10

I/O (Output/Output)

RB5 (PWM1/COMP1)

11

I/O (Output/Output)

RB6 (EC1)

12

I/O (Output/Output)

RB7 (TMR2OV)

13

I/O (Output/Output)

RC3 (SRDYIN/SRDYOUT)

14

RC4 (SCK)

15

RC5 (SIN)

16

I/O (Input/Output)

I/O (Input/Output)

I/O (Input)

4-bit general I/O ports

RC6 (SOUT)

17

I/O (Output)

RD0 (INT2)

23

I/O (Input)

RD1 (INT3)

24

I/O (Input)

3-bit general I/O ports

RD2

18

I/O

Table 5-5 Pin Description

Function

External Event Counter input 0

Analog Input Port 1

Analog Input Port 2

Analog Input Port 3

Analog Input Port 4

Analog Input Port 5

Analog Input Port 6

Analog Input Port 7

Analog Input Port 0 / Analog Reference

External Interrupt Input 0

External Interrupt Input 1

Buzzer Driving Output

PWM0 Output or Timer1 Compare Output

PWM1 Output or Timer3 Compare Output

External Event Counter input 1

Timer2 Overflow Output

SPI READY Input/Output

SPI CLK Input/Output

SPI DATA Input

SPI DATA Output

External Interrupt Input 2

External Interrupt Input 3

6

Oct. 1999 Ver 1.0

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