W77C032A40FL 查看數據表（PDF） - Winbond
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W77C032A40FL Datasheet PDF : 78 Pages
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W77C32/W77C032A
12.1.2
12.1.3
12.1.4
12.1.5
Mode 0....................................................................................................................52
Mode 1....................................................................................................................52
Mode 2....................................................................................................................52
Mode 3....................................................................................................................53
12.2
Timer/Counter 2............................................................................................................ 54
12.2.1
Capture Mode.........................................................................................................54
12.2.2
Auto-reload Mode, Counting Up .............................................................................54
12.2.3
Auto-reload Mode, Counting Up/Down ...................................................................55
12.2.4
Baud Rate Generator Mode....................................................................................56
12.2.5
Programmable Clock-out ........................................................................................56
13. WATCHDOG TIMER................................................................................................................. 57
14. SERIAL PORT .......................................................................................................................... 59
15. TIMED ACCESS PROTECTION .............................................................................................. 65
16. ELECTRICAL CHARACTERISTICS......................................................................................... 67
16.1 Absolute Maximum Ratings .......................................................................................... 67
16.2 D.C. Characteristics...................................................................................................... 67
16.3
A.C. Characteristics ...................................................................................................... 68
16.3.1
External Clock Characteristics ................................................................................68
16.3.2
A.C. Specification ...................................................................................................69
16.3.3
MOVX Characteristics Using Stretch Memory Cycles ............................................70
16.3.4
Explanation of Logic Symbols.................................................................................71
17. TIMING WAVEFORMS ............................................................................................................. 72
17.1 Program Memory Read Cycle ...................................................................................... 72
17.2 Data Memory Read Cycle............................................................................................. 72
17.3 Data Memory Write Cycle............................................................................................. 73
18. TYPICAL APPLICATION CIRCUITS ........................................................................................ 74
18.1 Expanded External Program Memory and Crystal ....................................................... 74
18.2 Expanded External Data Memory and Oscillator ......................................................... 75
19. PACKAGE DIMENSIONS ......................................................................................................... 76
19.1 40-pin DIP ..................................................................................................................... 76
19.2 44-pin PLCC ................................................................................................................. 77
19.3 44-pin QFP.................................................................................................................... 77
20. REVISION HISTORY ................................................................................................................ 78
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