W77E058A40PL Nuvoton

W77E58 Data Sheet 8-BIT MICROCONTROLLER Table of Contents- 1. GENERAL DESCRIPTION ......................................................................................................... 3 2. FEATURES ................................................................................................................................. 3 3. PIN CONFIGURATIONS ............................................................................................................ 4 4. PIN DESCRIPTION..................................................................................................................... 5 5. BLOCK DIAGRAM ...................................................................................................................... 7 6. FUNCTIONAL DESCRIPTION ................................................................................................... 8 7. MEMORY ORGANIZATION ..................................................................................................... 10 7.1 Program Memory .......................................................................................................... 10 7.2 Data Memory ................................................................................................................ 10 8. SPECIAL FUNCTION REGISTERS ......................................................................................... 12 9. INSTRUCTION.......................................................................................................................... 30 9.1 Instruction Timing ......................................................................................................... 37 9.2 MOVX Instruction.......................................................................................................... 40 9.3 External Data Memory Access Timing ......................................................................... 41 9.4 Wait State Control Signal.............................................................................................. 44 10. POWER MANAGEMENT.......................................................................................................... 44 10.1 Idle Mode ...................................................................................................................... 44 10.2 Economy Mode............................................................................................................. 44 10.3 Power Down Mode ....................................................................................................... 45 11. RESET CONDITIONS............................................................................................................... 46 11.1 External Reset .............................................................................................................. 46 11.2 Watchdog Timer Reset................................................................................................. 47 11.3 Reset State ................................................................................................................... 47 12. INTERRUPTS ........................................................................................................................... 48 12.1 Interrupt Sources .......................................................................................................... 48 12.2 Priority Level Structure ................................................................................................. 49 12.3 Interrupt Response Time .............................................................................................. 51 13. PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 51 13.1 Timer/Counters 0 & 1.................................................................................................... 51 13.2 Time-base Selection..................................................................................................... 52 13.3 Timer/Counter 2............................................................................................................ 54 Publication Release Date: February 17, 2005 - 1 - Revision A6 W77E58 14. WACHDOG TIMER...................................................................................................................57 14.1 Watchdog Control......................................................................................................... 59 14.2 Clock Control ................................................................................................................ 59 15. SERIAL PORT .......................................................................................................................... 59 15.1 Mode 0..........................................................................................................................60 15.2 Mode 1..........................................................................................................................61 15.3 Mode 2..........................................................................................................................62 15.4 Mode 3..........................................................................................................................64 15.5 Framing Error Detection ............................................................................................... 65 15.6 Multiprocessor Communications .................................................................................. 65 16. TIMED ACCESS PROTECTION .............................................................................................. 66 17. ON-CHIP FLASH EPROM CHARACTERISTICS..................................................................... 68 18. ELECTRICAL CHARACTERISTICS......................................................................................... 71 18.1 Absolute Maximum Ratings.......................................................................................... 71 18.2 D.C. Characteristics...................................................................................................... 72 18.3 A.C. Characteristics...................................................................................................... 73 19. TYPICAL APPLICATION CIRCUITS ........................................................................................ 78 19.1 Expanded External Program Memory and Crystal ....................................................... 78 19.2 Expanded External Data Memory and Oscillator ......................................................... 79 20. PACKAGE DIMENSIONS......................................................................................................... 79 20.1 40-pin DIP..................................................................................................................... 79 20.2 44-pin PLCC ................................................................................................................. 80 20.3 44-pin QFP.................................................................................................................... 80 21. VERSION HISTORY.................................................................................................................81 - 2 -