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nuvoton |
W77E058A Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION .......................................................................................................... 3
2. FEATURES.................................................................................................................................. 3
3. PIN CONFIGURATIONS ............................................................................................................. 4
4. PIN DESCRIPTION ..................................................................................................................... 5
5. FUNCTIONAL DESCRIPTION .................................................................................................... 7
6. MEMORY ORGANIZATION ........................................................................................................ 9
6.1 Program Memory............................................................................................................. 9
6.2 Data Memory ................................................................................................................... 9
7. SPECIAL FUNCTION REGISTERS .......................................................................................... 11
8. INSTRUCTION .......................................................................................................................... 29
8.1 Instruction Timing .......................................................................................................... 36
8.2 MOVX Instruction .......................................................................................................... 39
8.3 External Data Memory Access Timing .......................................................................... 40
8.4 Wait State Control Signal .............................................................................................. 43
9. POWER MANAGEMENT .......................................................................................................... 44
9.1 Idle Mode....................................................................................................................... 44
9.2 Economy Mode.............................................................................................................. 44
9.3 Power Down Mode ........................................................................................................ 45
10. RESET CONDITIONS ............................................................................................................... 47
10.1 External Reset ............................................................................................................... 47
10.2 Watchdog Timer Reset ................................................................................................. 47
10.3 Reset State.................................................................................................................... 47
11. INTERRUPTS............................................................................................................................ 49
11.1 Interrupt Sources ........................................................................................................... 49
11.2 Priority Level Structure .................................................................................................. 50
11.3 Interrupt Response Time............................................................................................... 52
12. PROGRAMMABLE TIMERS/COUNTERS ................................................................................ 53
12.1 Timer/Counters 0 & 1 .................................................................................................... 53
12.2 Time-base Selection...................................................................................................... 53
12.3 Timer/Counter 2 ............................................................................................................ 56
13. WACHDOG TIMER ................................................................................................................... 60
13.1 Watchdog Control.......................................................................................................... 62
13.2 Clock Control ................................................................................................................. 62
Publication Release Date: April 17, 2007
- 1 - Revision A10
W77E058A
14. SERIAL PORT ........................................................................................................................... 63
14.1 Mode 0........................................................................................................................... 63
14.2 Mode 1........................................................................................................................... 64
14.3 Mode 2........................................................................................................................... 66
14.4 Mode 3........................................................................................................................... 67
14.5 Framing Error Detection ................................................................................................ 68
14.6 Multiprocessor Communications ................................................................................... 68
15. TIMED ACCESS PROTECTION ............................................................................................... 70
16. ON-CHIP FLASH EPROM CHARACTERISTICS...................................................................... 72
17. ELECTRICAL CHARACTERISTICS.......................................................................................... 76
17.1 Absolute Maximum Ratings........................................................................................... 76
17.2 D.C. Characteristics ...................................................................................................... 76
17.3 A.C. Characteristics....................................................................................................... 77
18. TYPICAL APPLICATION CIRCUITS ......................................................................................... 83
18.1 Expanded External Program Memory and Crystal ........................................................ 83
18.2 Expanded External Data Memory and Oscillator........................................................... 84
19. PACKAGE DIMENSIONS.......................................................................................................... 85
19.1 40-pin DIP...................................................................................................................... 85
19.2 44-pin PLCC .................................................................................................................. 85
19.3 44-pin QFP .................................................................................................................... 86
20. VERSION HISTORY.................................................................................................................. 87
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