W78E54C Datasheet, PDF (2/24 Pages) Winbond – 8-BIT MICROCONTROLLER

W78E54C/W78E054C
8.1 Program Fetch Cycle .................................................................................................... 18
8.2 Data Read Cycle........................................................................................................... 18
8.3 Data Write Cycle ........................................................................................................... 19
8.4 Port Access Cycle......................................................................................................... 19
9. TYPICAL APPLICATION CIRCUITS ........................................................................................ 20
9.1 Expanded External Program Memory and Crystal ....................................................... 20
9.2 Expanded External Data Memory and Oscillator ......................................................... 21
10. PACKAGE DIMENSIONS ......................................................................................................... 22
10.1 40-pin DIP ..................................................................................................................... 22
10.2 44-pin PLCC ................................................................................................................. 22
10.3 44-pin PQFP ................................................................................................................. 23
11. REVISION HISTORY ................................................................................................................ 24
-2-