GMS81508B HYNIX [Hynix Semiconductor], GMS81508B Datasheet - Page 3

• Manufacturer Part Number: GMS81508B
• Description: HYUNDAI MICRO ELECTRONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: HYNIX [Hynix Semiconductor]

HYUNDAI MicroElectronics
Table of Contents
1. OVERVIEW............................................1
2. BLOCK DIAGRAM .................................3
3. PIN ASSIGNMENT ................................4
4. PACKAGE DIAGRAM ............................6
5. PIN FUNCTION......................................8
6. PORT STRUCTURES..........................10
7. ELECTRICAL CHARACTERISTICS ....12
8. MEMORY ORGANIZATION.................18
9. I/O PORTS ...........................................31
10. BASIC INTERVAL TIMER..................34
11. TIMER/EVENT COUNTER ................36
12. ANALOG DIGITAL CONVERTER......46
13. SERIAL COMMUNICATION ..............48
DEC. 1999 Ver 1.04
Description .........................................................1
Features .............................................................1
Development Tools ............................................2
Ordering Information ..........................................2
Absolute Maximum Ratings .............................12
Recommended Operating Conditions ..............12
A/D Converter Characteristics .........................12
DC Electrical Characteristics ...........................13
AC Characteristics ...........................................14
Serial Interface Timing Characteristics ............15
Typical Characteristic Curves ..........................16
Registers ..........................................................18
Program Memory .............................................21
Data Memory ...................................................24
Addressing Mode .............................................27
8-bit Timer / Counter Mode ..............................38
16-bit Timer / Counter Mode ............................42
8-bit Capture Mode ..........................................43
16-bit Capture Mode ........................................44
14. PWM OUTPUT ..................................52
15. BUZZER FUNCTION .........................55
16. INTERRUPTS ....................................57
17. WATCHDOG TIMER .........................64
18. POWER DOWN OPERATION...........66
19. OSCILLATOR CIRCUIT.....................69
20. RESET ...............................................70
21. POWER FAIL PROCESSOR.............71
22. OTP PROGRAMMING.......................73
A. CONTROL REGISTER LIST .................. i
B. SOFTWARE EXAMPLE ....................... iii
C. INSTRUCTION....................................viii
D. MASK ORDER SHEET ...................... xvi
Transmission/Receiving Timing ...................... 50
The Serial I/O operation by SRDY pin ............ 50
The method of Serial I/O ................................. 51
The Method to Test Correct Transmission ...... 51
Interrupt Sequence .......................................... 59
BRK Interrupt .................................................. 60
Multi Interrupt .................................................. 61
External Interrupt ............................................. 61
STOP Mode .................................................... 66
Minimizing Current Consumption .................... 67
External Reset Input ........................................ 70
Watchdog Timer Reset ................................... 70
How to Program .............................................. 73
Pin Function .................................................... 73
Programming Specification ............................. 76
Terminology List .............................................. viii
Instruction Map ..................................................ix
Instruction Set ....................................................x
7-segment LED display .................................... iii
GMS81508B/16B/24B