W78ERD2 Datasheet, PDF (2/72 Pages) Winbond – 8-BIT MICROCONTROLLER

W78ERD2
12. HARDWARE WATCHDOG TIMER (ONE-TIME ENABLED WITH RESET-OUT) ................... 48
12.1 Using the WDT............................................................................................................. 48
13. DUAL DPTR .............................................................................................................................. 49
14. IN-SYSTEM PROGRAMMING (ISP) MODE ............................................................................ 49
15. H/W REBOOT MODE (BOOT FROM LDROM)........................................................................ 51
16. OPTION BITS ........................................................................................................................... 56
17. ELECTRICAL CHARACTERISTICS ......................................................................................... 57
17.1 Absolute Maximum Ratings ......................................................................................... 57
17.2 D.C. Characteristics ..................................................................................................... 57
17.3 A.C. Characteristics ..................................................................................................... 59
18. TIMING WAVEFORMS ............................................................................................................. 61
19. TYPICAL APPLICATION CIRCUITS ........................................................................................ 63
19.1 External Program Memory and Crystal........................................................................ 63
19.2 Expanded External Data Memory and Oscillator......................................................... 64
20. PACKAGE DIMENSIONS ......................................................................................................... 65
21. APPLICATION NOTE ............................................................................................................... 67
21.1 In-system Programming Software Examples............................................................... 67
21.2 How to Use Programmable Counter Array .................................................................. 71
22. VERSION HISTORY ................................................................................................................. 72
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