GMS81C3004 Ver la hoja de datos (PDF) - Hyundai Micro Electronics
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GMS81C3004 Datasheet PDF : 90 Pages
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GMS81C3004
Table of Contents
1. OVERVIEW............................................1
Description .........................................................1
Features .............................................................1
Development Tools ............................................1
2. BLOCK DIAGRAM .................................2
3. PIN ASSIGNMENT ................................3
4. PACKAGE DIAGRAM ............................4
5. PIN FUNCTION......................................5
6. PORT STRUCTURES............................7
7. ELECTRICAL CHARACTERISTICS ....10
Absolute Maximum Ratings .............................10
Recommended Operating Conditions ..............10
DC Electrical Characteristics ...........................10
A/D Comparator Characteristics ......................12
AC Characteristics ...........................................12
Typical Characteristics .....................................14
8. MEMORY ORGANIZATION.................16
Registers ..........................................................16
Program Memory .............................................19
Data Memory ...................................................22
Addressing Mode .............................................25
9. I/O PORTS ...........................................29
Registers for Port .............................................29
I/O Ports Configuration ....................................30
10. CLOCK GENERATOR .......................33
Operation Mode ...............................................35
Operation Mode Switching ...............................36
11. TIMER ................................................38
Basic Interval Timer .........................................38
Timer/Event Counter 1 .....................................39
Watch Timer .....................................................43
12. COMPARATOR .................................44
13. INTERRUPTS ....................................46
Interrupt Sequence .......................................... 48
Multi Interrupt .................................................. 50
External Interrupt ............................................. 51
14. KEY SCAN.........................................53
15. LCD DRIVER .....................................55
Configuration of LCD driver ............................. 55
Control of LCD Driver Circuit ........................... 56
Bias Resistor ................................................... 57
LCD Display Memory ...................................... 59
LCD Port Selection .......................................... 60
Control Method of LCD Driver ......................... 60
LCD Waveform ................................................ 62
16. WATCHDOG TIMER .........................64
17. BUZZER DRIVER ..............................66
18. POWER DOWN OPERATION...........68
SLEEP Mode ................................................... 68
STOP Mode .................................................... 69
19. OSCILLATOR CIRCUIT.....................73
20. RESET ...............................................74
External Reset Input ........................................ 74
Watchdog Timer Reset ................................... 74
21. POWER FAIL PROCESSOR.............75
A. CONTROL REGISTER LIST .................. i
B. PAD COORDINATION .......................... ii
Pad Layout ......................................................... ii
Bonding Pad Coordination ................................ iii
C. INSTRUCTION..................................... iv
Terminology List ................................................iv
Instruction Map ...................................................v
Instruction Set ...................................................vi
D. MASK ORDER SHEET ....................... xii
MAR. 1999 Ver 1.01
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