W78E365A40PL

W78E365/W78E365A 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 ...................................................................................................................... 6 6. FUNCTIONAL DESCRIPTION .................................................................................................... 7 6.1 RAM ................................................................................................................................ 7 6.2 Timers 0, 1, and 2 ........................................................................................................... 8 6.2.1 Timer 2 Output ................................................................................................................. 8 6.3 Clock ............................................................................................................................... 8 6.3.1 Crystal Oscillator .............................................................................................................. 8 6.3.2 External Clock .................................................................................................................. 8 6.4 Power Management ........................................................................................................ 8 6.4.1 Idle Mode.......................................................................................................................... 8 6.4.2 Power-down Mode............................................................................................................ 9 6.4.3 Reduce EMI Emission ...................................................................................................... 9 6.5 Reset ............................................................................................................................... 9 6.5.1 W78E365 Special Function Registers (SFRs) and Reset Values .................................... 9 6.6 Port 4 ............................................................................................................................ 10 6.6.1 Port Options Register ..................................................................................................... 11 6.6.2 /INT3 .................................................................................................................. 11 INT2 6.6.3 Port 4 Base Address Registers ...................................................................................... 13 6.7 Pulse Width Modulated Outputs (PWM) ....................................................................... 15 6.8 Watchdog Timer ........................................................................................................... 18 6.9 In-System Programming (ISP) Mode ............................................................................ 20 6.9.1 In-System Programming Control Register (CHPCON) ................................................... 21 6.10 Software Reset ............................................................................................................. 21 6.11 H/W Reboot Mode (Boot from LDROM) ....................................................................... 22 6.12 Security ......................................................................................................................... 25 7. ELECTRICAL CHARACTERISTICS ......................................................................................... 27 7.1 Absolute Maximum Ratings .......................................................................................... 27 7.2 D.C. Characteristics ...................................................................................................... 27 7.3 A.C. Characteristics ...................................................................................................... 29 Publication Release Date: January 12, 2009 - 1 - Revision A12 W78E365/W78E365A 8. TIMING WAVEFORMS ............................................................................................................. 30 8.1 Program Fetch Cycle .................................................................................................... 30 8.2 Data Read Cycle ........................................................................................................... 31 8.3 Data Write Cycle ........................................................................................................... 32 8.4 Port Access Cycle ......................................................................................................... 33 9. TYPICAL APPLICATION CIRCUIT ........................................................................................... 34 9.1 External Program Memory and Crystal ......................................................................... 34 9.2 Expanded External Data Memory and Oscillator .......................................................... 35 10. PACKAGE DIMENSIONS ......................................................................................................... 36 10.1 40-pin DIP ..................................................................................................................... 36 10.2 44-pin PLCC ................................................................................................................. 36 10.3 44-pin PQFP ................................................................................................................. 37 10.4 48-pin LQFP .................................................................................................................. 38 11. APPLICATION NOTE ............................................................................................................... 39 11.1 In-system Programming Software Examples................................................................ 39 12. REVISION HISTORY ................................................................................................................ 44 Publication Release Date: January 12, 2009 - 2 - Revision A11