GMS82512K datasheet(3/93 Pages) HYNIX

3 / 93 page

HYUNDAI MicroElectronics

GMS82512/16/24

FEB. 2000 Ver 1.00

Table of Contents

1. OVERVIEW ...........................................1

Description .........................................................1

Features .............................................................1

Development Tools ............................................2

Ordering Information ..........................................2

2. BLOCK DIAGRAM ................................3

3. PIN ASSIGNMENT ...............................4

4. PACKAGE DIAGRAM .............................. 5

5. PIN FUNCTION .....................................6

6. PORT STRUCTURES ...........................8

7. ELECTRICAL CHARACTERISTICS ...10

Absolute Maximum Ratings .............................10

Recommended Operating Conditions ..............10

A/D Converter Characteristics .........................10

DC Electrical Characteristics ...........................11

AC Characteristics ...........................................12

Typical Characteristic Curves ..........................13

8. MEMORY ORGANIZATION ................15

Registers ..........................................................15

Program Memory .............................................18

Data Memory ...................................................21

Addressing Mode .............................................24

9. I/O PORTS ..........................................28

10. BASIC INTERVAL TIMER .................31

11. TIMER/EVENT COUNTER ...............33

8-bit Timer / Counter Mode ..............................35

16-bit Timer / Counter Mode ............................39

8-bit Capture Mode ..........................................40

16-bit Capture Mode ........................................41

12. ANALOG DIGITAL CONVERTER ....43

13. BUZZER FUNCTION ........................45

14. INTERRUPTS ...................................47

Interrupt Sequence .......................................... 49

BRK Interrupt .................................................. 50

Multi Interrupt .................................................. 51

External Interrupt ............................................. 51

15. WATCHDOG TIMER ........................54

16. POWER DOWN OPERATION ..........56

STOP Mode .................................................... 56

Minimizing Current Consumption .................... 57

17. OSCILLATOR CIRCUIT ....................59

18. RESET ..............................................60

External Reset Input ........................................ 60

Watchdog Timer Reset ................................... 60

19. POWER FAIL PROCESSOR ............61

20. OTP PROGRAMMING ......................63

How to Program .............................................. 63

Pin Function .................................................... 63

Programming Specification ............................. 65

A. CONTROL REGISTER LIST ................. i

B. SOFTWARE EXAMPLE ....................... ii

7-segment LED display .....................................ii

C. INSTRUCTION ................................... vii

Terminology List ............................................... vii

Instruction Map ................................................ viii

Alphabetic order table of instruction ..................ix

Instruction Table by Function .......................... xiv

D. MASK ORDER SHEET ......................... xx

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