W79E632A Datasheet, PDF (1/79 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E632A/W79L632A Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION .................................................................................................................... 2
2. FEATURES............................................................................................................................................ 2
3. PIN CONFIGURATIONS........................................................................................................................ 3
4. PIN DESCRIPTION ............................................................................................................................... 4
5. FUNCTIONAL DESCRIPTION............................................................................................................... 5
6. MEMORY ORGANIZATION................................................................................................................... 7
7. INSTRUCTION .................................................................................................................................... 26
7.1
Instruction Timing........................................................................................................... 26
8. POWER MANAGEMENT..................................................................................................................... 32
9. INTERRUPTS ...................................................................................................................................... 36
10. PROGRAMMABLE TIMERS/COUNTERS........................................................................................... 38
10.1 Timer/Counters 0 & 1..................................................................................................... 38
10.2 Timer/Counter 2 ............................................................................................................. 41
10.3 Pulse Width Modulated Outputs (PWM) ........................................................................ 45
10.4 Watchdog Timer ............................................................................................................ 48
11. SERIAL PORT ..................................................................................................................................... 52
11.1 Framing Error Detection................................................................................................. 57
11.2 Multiprocessor Communications.................................................................................... 57
12. TIMED ACCESS PROTECTION.......................................................................................................... 59
13. H/W REBOOT MODE (BOOT FROM 4K BYTES OF LDFLASH)........................................................ 61
14. IN-SYSTEM PROGRAMMING............................................................................................................. 62
14.1 The Loader Program Locates at LDFlash Memory........................................................ 62
14.2 The Loader Program Locates at APFlash Memory........................................................ 62
15. H/W WRITER MODE........................................................................................................................... 62
16. SECURITY BITS .................................................................................................................................. 63
17. ELECTRICAL CHARACTERISTICS .................................................................................................... 64
17.1 Absolute Maximum Ratings ........................................................................................... 64
17.2 DC Characteristics ......................................................................................................... 64
17.3 A.C. Characteristics ....................................................................................................... 66
18. TYPICAL APPLICATION CIRCUITS ................................................................................................... 71
19. PACKAGE DIMENSIONS .................................................................................................................... 72
20. APPLICATION NOTE .......................................................................................................................... 74
21. REVISION HISTORY ........................................................................................................................... 79
Publication Release Date: Nov. 11, 2009
-1-
Revision A10