W78E365 Datasheet, PDF (1/40 Pages) Winbond – 8-BIT MICROCONTROLLER

W78E365 Data Sheet
Table of Contents-
8-BIT MICROCONTROLLER
1. GENERAL DESCRIPTION.................................................................................................................. 2
2. FEATURES ......................................................................................................................................... 2
3. PIN CONFIGURATIONS ..................................................................................................................... 3
4. PIN DESCRIPTION ............................................................................................................................. 4
5. BLOCK DIAGRAM............................................................................................................................... 5
6. FUNCTIONAL DESCRIPTION ............................................................................................................ 6
6.1 RAM...................................................................................................................................................6
6.2 Timers 0, 1, and 2..............................................................................................................................7
6.3 Clock..................................................................................................................................................7
6.4 Power Management...........................................................................................................................7
6.5 Reset .................................................................................................................................................8
6.6 Port 4 .................................................................................................................................................9
6.7 Pulse Width Modulated Outputs (PWM) ..........................................................................................14
6.8 Watchdog Timer ..............................................................................................................................17
6.9 In-System Programming (ISP) Mode ...............................................................................................19
6.10 Software Reset ................................................................................................................................20
6.11 H/W Reboot Mode (Boot from LDROM) ..........................................................................................21
6.12 Security............................................................................................................................................24
7. ELECTRICAL CHARACTERISTICS ................................................................................................. 25
7.1 Absolute Maximum Ratings .............................................................................................................25
7.2 D.C. Characteristics.........................................................................................................................25
7.3 A.C. Characteristics .........................................................................................................................27
8. TIMING WAVEFORMS ..................................................................................................................... 28
8.1 Program Fetch Cycle .......................................................................................................................28
8.2 Data Read Cycle..............................................................................................................................29
8.3 Data Write Cycle..............................................................................................................................30
8.4 Port Access Cycle............................................................................................................................31
9. TYPICAL APPLICATION CIRCUIT ................................................................................................... 32
9.1 External Program Memory and Crystal ............................................................................................32
9.2 Expanded External Data Memory and Oscillator .............................................................................33
10. PACKAGE DIMENSIONS ................................................................................................................. 33
10.1 40-pin DIP........................................................................................................................................33
10.2 44-pin PLCC ....................................................................................................................................34
10.3 44-pin PQFP ....................................................................................................................................34
11. APPLICATION NOTE........................................................................................................................ 35
11.1 In-system Programming Software Examples ...................................................................................35
12. REVISION HISTORY ........................................................................................................................ 40
Publication Release Date: April 20, 2005
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Revision A5