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ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
GMS81C1102 GMS81C1202
User’s Manual (Ver. 2.40)
REVISION HISTORY VERSION 2.40 (April 2, 2008) This book Corrected PSW(NVGBHIZC) for “INC A” instruction from N-----Z- to N-----ZC at " Arithmetic / Logic Operation" on page iv.
Version 2.40 Published by FAE Team ©2005 ABOV Semiconductor Co. Ltd. All right reserved. Additional information of this manual may be served by ABOV Semiconductor offices in Korea or Distributors and Representatives. ABOV Semiconductor reserves the right to make changes to any information here in at any time without notice. The information, diagrams and other data in this manual are correct and reliable; however, ABOV Semiconductor is in no way responsible for any violations of patents or other rights of the third party generated by the use of this manual.
GMS81C1102/1202
1. OVERVIEW .........................................................1 Description .........................................................1 Features .............................................................1 Development Tools ............................................2 Ordering Information ..........................................2
2. BLOCK DIAGRAM(GMS81C1202) ....................3
3. PIN ASSIGNMENT(GMS81C1202) ....................4
4. BLOCK DIAGRAM(GMS81C1102) ....................5
5. PIN ASSIGNMENT(GMS81C1102) ....................6
6. PACKAGE DIMENSION(GMS81C1202) ............7
7. PACKAGE DIMENSION(GMS81C1102) ............8
8. PIN FUNCTION ...................................................9
9. PORT STRUCTURES .......................................11
10. ELECTRICAL CHARACTERISTICS GMS81C1102, GMS81C1202 ...............................15
Absolute Maximum Ratings - GMS81C1102, GMS81C1202 ..................................................15 Recommended Operating Conditions GMS81C1102, GMS81C1202 .........................15 DC Electrical Characteristics - GMS81C1102, GMS81C1202 ..................................................16 A/D Converter Characteristics - GMS81C1102, GMS81C1202 ..................................................18 AC Characteristics - GMS81C1102, GMS81C1202 ..................................................19 Typical Characteristics - GMS81C1102, GMS81C1202 ..................................................20
11. ELECTRICAL CHARACTERISTICS GMS87C1102, GMS87C1202 ...............................24
Absolute Maximum Ratings - GMS87C1102, GMS87C1202 ..................................................24 Recommended Operating Conditions GMS87C1102, GMS87C1202 .........................24 DC Electrical Characteristics - GMS87C1102, GMS87C1202 ..................................................25 A/D Converter Characteristics - GMS87C1102, GMS87C1202 ..................................................26 AC Characteristics - GMS87C1102, GMS87C1202 ..................................................27 Typical Characteristics - GMS87C1102, GMS87C1202 ..................................................28
12. MEMORY ORGANIZATION .......................... 31 Registers ......................................................... 31 Program Memory ............................................ 33 Data Memory ................................................... 36 Addressing Mode ............................................ 39
13. I/O PORTS ..................................................... 44 RA and RAIO registers .................................... 44 RB and RBIO registers .................................... 45 RC and RCIO registers ................................... 47 Read-modify-write Feature .............................. 48
14. CLOCK GENERATOR ................................... 50 Oscillation Circuit ............................................ 50
15. Basic Interval Timer .................................... 52
16. TIMER / COUNTER ....................................... 53 8-bit Timer/Counter Mode ............................... 54 16-bit Timer/Counter Mode ............................. 56 8-bit Compare Output ( 16-bit ) ....................... 56 8-bit Capture Mode ......................................... 56 16-bit Capture Mode ....................................... 59 PWM Mode ..................................................... 59
17. Buzzer Output Function ............................... 62
18. ANALOG TO DIGITAL CONVERTER ........... 63
19. INTERRUPTS ................................................ 66 Interrupt Sequence .......................................... 67 BRK Interrupt .................................................. 69 Multi Interrupt .................................................. 69 External Interrupt ............................................. 70
20. WATCHDOG TIMER ...................................... 71
21. Power Saving Mode ..................................... 72
22. RESET ........................................................... 77
23. POWER FAIL PROCESSOR ......................... 78
24. OTP PROGRAMMING .......