GMS81508BK Ver la hoja de datos (PDF) - Hynix Semiconductor
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GMS81508BK Datasheet PDF : 110 Pages
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GMS81508B/16B/24B, GMS82512/16/24
Table of Contents
1. OVERVIEW ...........................................1
Description .........................................................1
Features .............................................................1
Development Tools ............................................2
Ordering Information
2. BLOCK DIAGRAM ................................3
3. PIN ASSIGNMENT ...............................5
4. PACKAGE DIAGRAM ...........................8
5. PIN FUNCTION ...................................11
6. PORT STRUCTURES .........................13
7. ELECTRICAL CHARACTERISTICS ...15
Absolute Maximum Ratings .............................15
Recommended Operating Conditions ..............15
A/D Converter Characteristics .........................15
DC Electrical Characteristics ...........................16
AC Characteristics ...........................................17
Serial Interface Timing Characteristics ............18
Typical Characteristic Curves ..........................19
8. MEMORY ORGANIZATION ................21
Registers ..........................................................21
Program Memory .............................................24
Data Memory ...................................................27
Addressing Mode .............................................30
9. I/O PORTS ..........................................34
10. BASIC INTERVAL TIMER .................37
11. TIMER/EVENT COUNTER ...............39
8-bit Timer / Counter Mode ..............................41
16-bit Timer / Counter Mode ............................45
8-bit Capture Mode ..........................................46
16-bit Capture Mode ........................................47
12. ANALOG DIGITAL CONVERTER .....49
13. SERIAL COMMUNICATION .............51
Transmission/Receiving Timing .......................53
The Serial I/O operation by SRDY pin ............ 53
The method of Serial I/O ................................. 54
The Method to Test Correct Transmission ...... 54
14. PWM OUTPUT .................................55
15. BUZZER FUNCTION ........................58
16. INTERRUPTS ...................................60
Interrupt Sequence .......................................... 62
BRK Interrupt .................................................. 63
Multi Interrupt .................................................. 64
External Interrupt ............................................. 64
17. WATCHDOG TIMER ........................67
18. POWER DOWN OPERATION ..........69
STOP Mode .................................................... 69
Minimizing Current Consumption .................... 70
19. OSCILLATOR CIRCUIT ....................72
20. RESET ..............................................73
External Reset Input ........................................ 73
Watchdog Timer Reset ................................... 73
21. POWER FAIL PROCESSOR ............74
22. OTP PROGRAMMING ......................76
How to Program .............................................. 76
Pin Function .................................................... 76
Programming Specification ............................. 80
A. CONTROL REGISTER LIST ................. i
B. SOFTWARE EXAMPLE ...................... iii
7-segment LED display .................................... iii
C. INSTRUCTION ...................................viii
Terminology List .............................................. viii
Instruction Map ..................................................ix
Alphabetic order table of instruction ...................x
Instruction Table by Function ...........................xv
D. MASK ORDER SHEET ........................ xxi
MAY. 2001 Ver 2.0
1
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