W77E58
8-BIT MICROCONTROLLER
Table of Contents--
1. GENERAL DESCRIPTION..........................................................................................................................2
2. FEATURES.................................................................................................................................................2
3. PIN CONFIGURATIONS.............................................................................................................................3
4. PIN DESCRIPTION.....................................................................................................................................4
5. BLOCK DIAGRAM ......................................................................................................................................6
6. FUNCTIONAL DESCRIPTION....................................................................................................................7
7. MEMORY ORGANIZATION........................................................................................................................8
8. INSTRUCTION..........................................................................................................................................28
Instruction Timing ...................................................................................................................................36
Power Management................................................................................................................................43
Reset Conditions ....................................................................................................................................45
Reset State.............................................................................................................................................46
Interrupts.................................................................................................................................................47
Programmable Timers/Counters.............................................................................................................50
Wachdog Timer ......................................................................................................................................56
Serial Port...............................................................................................................................................58
9. TIMED ACCESS PROTECTION...............................................................................................................65
10. ON-CHIP FLASH EPROM CHARACTERISTICS ...................................................................................66
Read Operation ......................................................................................................................................67
11. SECURITY BITS.....................................................................................................................................69
12. ABSOLUTE MAXIMUM RATINGS..........................................................................................................70
13. DC ELECTRICAL CHARACTERISTICS.................................................................................................71
14. AC ELECTRICAL CHARACTERISTICS.................................................................................................72
15. TYPICAL APPLICATION CIRCUITS.......................................................................................................77
Expanded External Program Memory and Crystal..................................................................................77
Expanded External Data Memory and Oscillator....................................................................................78
16. PACKAGE DIMENSIONS.......................................................................................................................78
40-pin DIP...............................................................................................................................................78
44-pin PLCC ...........................................................................................................................................79
44-pin QFP .............................................................................................................................................79
Publication Release Date: July 13, 2001
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Revision A3