W79E225A Datasheet, PDF (4/200 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/227A Data Sheet
24.2 DC Characteristics ...................................................................................................... 182
24.3 AC Characteristics ...................................................................................................... 185
24.3.1 External Clock Characteristics....................................................................................185
24.3.2 AC Specification .........................................................................................................185
24.3.3 MOVX Characteristics Using Stretch Memory Cycle ..................................................186
24.4 The ADC Converter DC ELECTRICAL CHARACTERISTICS ................................... 188
24.5 I2C Bus Timing Characteristics .................................................................................. 188
24.6 Program Memory Read Cycle .................................................................................... 189
24.7 Data Memory Read Cycle........................................................................................... 190
24.8 Data Memory Write Cycle........................................................................................... 190
25. TYPICAL APPLICATION CIRCUITS ...................................................................................... 191
25.1 Expanded External Program Memory and Crystal ..................................................... 191
25.2 Expanded External Data Memory and Oscillator........................................................ 191
26. PACKAGE DIMENSION ......................................................................................................... 192
26.1 44L PLCC ................................................................................................................... 192
26.2 48L LQFP (7x7x1.4mm footprint 2.0mm) ................................................................... 193
27. APPLICATION NOTE ............................................................................................................. 194
28. REVISION HISTORY .............................................................................................................. 200
Publication Release Date: December 14, 2007
-4-
Revision A2.0