W78E516DDG Datasheet, PDF (2/90 Pages) Nuvotem Talema – 8-BIT MICROCONTROLLER

W78E516D/W78E058D Data Sheet
13.1 Sources of reset............................................................................................................ 47
13.1.1 External Reset ..............................................................................................................47
13.1.2 Watchdog Timer Reset.................................................................................................47
13.1.3 Software Reset .............................................................................................................47
13.1.4 RESET STATE .............................................................................................................47
13.2 Interrupt Sources .......................................................................................................... 48
13.3 Priority Level Structure ................................................................................................. 48
13.4 Interrupt Response Time .............................................................................................. 50
13.5 Interrupt Inputs.............................................................................................................. 50
14 PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 52
14.1 Timer/Counters 0 & 1.................................................................................................... 52
14.2 Time-Base Selection..................................................................................................... 52
14.2.1 Mode 0 .........................................................................................................................52
14.2.2 Mode 1 .........................................................................................................................52
14.2.3 Mode 2 .........................................................................................................................53
14.2.4 Mode 3 .........................................................................................................................54
14.3 Timer/Counter 2 ............................................................................................................ 54
14.3.1 Capture Mode...............................................................................................................54
14.3.2 Auto-Reload Mode, Counting up ..................................................................................55
14.3.3 Baud Rate Generator Mode .........................................................................................56
15 WATCHDOG TIMER................................................................................................................. 57
16 SERIAL PORT .......................................................................................................................... 59
16.1 MODE 0 ........................................................................................................................ 59
16.2 MODE 1 ........................................................................................................................ 60
16.3 MODE 2 ........................................................................................................................ 61
17 F04KBOOT MODE (BOOT FROM 4K BYTES OF LDROM )................................................... 65
18 ISP(IN-SYSTEM PROGRAMMING) ......................................................................................... 67
19 CONFIG BITS ........................................................................................................................... 70
20 TYPICAL APPLICATION CIRCUITS ........................................................................................ 72
21 ELECTRICAL CHARACTERISTICS......................................................................................... 73
21.1 Absolute Maximum Ratings .......................................................................................... 73
21.2 D.C. ELECTRICAL CHARACTERISTICS .................................................................... 74
21.3 AC CHARACTERISTICS.............................................................................................. 75
21.4 TIMING waveforms....................................................................................................... 77
21.4.1 Program Fetch Cycle....................................................................................................77
21.4.2 Data Read Cycle ..........................................................................................................78
21.4.3 Data Write Cycle...........................................................................................................78
21.4.4 Port Access Cycle ........................................................................................................79
21.4.5 Reset Pin Access Cycle ...............................................................................................79
22 PACKAGE DIMENSIONS ......................................................................................................... 80
22.1 40-pin DIP ..................................................................................................................... 80
22.2 44-pin PLCC ................................................................................................................. 81
22.3 44-pin PQFP ................................................................................................................. 82
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