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W78C032C fiches techniques PDF

nuvoton - 8-BIT MICROCONTROLLER

Numéro de référence W78C032C
Description 8-BIT MICROCONTROLLER
Fabricant nuvoton 
Logo nuvoton 





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W78C032C fiche technique
W78C32C/W78C032C DATA SHEET
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION.......................................................................................................... 2
2. FEATURES ................................................................................................................................. 2
3. PIN CONFIGURATIONS............................................................................................................. 3
4. PIN DESCRIPTION..................................................................................................................... 4
5. FUNCTIONAL DESCRIPTION.................................................................................................... 6
5.1 TIMERS 0, 1, AND 2....................................................................................................... 6
5.2 CLOCK............................................................................................................................ 6
5.2.1 CRYSTAL OSCILLATOR .................................................................................................6
5.2.2 EXTERNAL CLOCK .........................................................................................................6
5.3 POWER MANAGEMENT ............................................................................................... 6
5.3.1 IDLE MODE......................................................................................................................6
5.3.2 POWER-DOWN MODE ...................................................................................................7
5.3.3 RESET .............................................................................................................................7
6. ELECTRICAL CHARACTERISTICS ........................................................................................... 8
6.1 ABSOLUTE MAXIMUM RATINGS ................................................................................. 8
6.2 D.C. CHARACTERISTICS.............................................................................................. 8
6.3 A.C. CHARACTERISTICS .............................................................................................. 9
6.3.1 CLOCK INPUT WAVEFORM ...........................................................................................9
6.3.2 PROGRAM FETCH CYCLE ...........................................................................................10
6.3.3 DATA READ CYCLE ......................................................................................................10
6.3.4 DATA WRITE CYCLE ....................................................................................................11
6.3.5 PORT ACCESS CYCLE .................................................................................................11
7. TIMING waveformS................................................................................................................... 12
7.1 PROGRAM FETCH CYCLE ......................................................................................... 12
7.2 DATA READ CYCLE..................................................................................................... 12
7.3 DATA WRITE CYCLE................................................................................................... 13
7.4 PORT ACCESS CYCLE ............................................................................................... 13
8. TYPICAL APPLICATION CIRCUIT ........................................................................................... 14
8.1 USING EXTERNAL PROGRAM MEMORY AND CRYSTAL........................................ 14
8.2 EXPANDED EXTERNAL DATA MEMORY AND OSCILLATOR.................................. 15
9. PACKAGE DIMENSIONS ......................................................................................................... 16
9.1 40-PIN DIP .................................................................................................................... 16
9.2 44-PIN PLCC ................................................................................................................ 16
9.3 44-PIN QFP .................................................................................................................. 17
10. REVISION HISTORY ................................................................................................................ 18
Publication Release Date: December 4, 2006
- 1 - Revision A6

PagesPages 18
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