W79E225A_08 Datasheet, PDF (4/203 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/226A/227A Data Sheet
24.2 DC Characteristics ...................................................................................................... 185
24.3 AC Characteristics ...................................................................................................... 188
24.3.1 External Clock Characteristics....................................................................................188
24.3.2 AC Specification .........................................................................................................188
24.3.3 MOVX Characteristics Using Stretch Memory Cycle ..................................................189
24.4 The ADC Converter DC ELECTRICAL CHARACTERISTICS ................................... 191
24.5 I2C Bus Timing Characteristics .................................................................................. 191
24.6 Program Memory Read Cycle .................................................................................... 192
24.7 Data Memory Read Cycle........................................................................................... 193
24.8 Data Memory Write Cycle........................................................................................... 193
25. TYPICAL APPLICATION CIRCUITS ...................................................................................... 194
25.1 Expanded External Program Memory and Crystal ..................................................... 194
25.2 Expanded External Data Memory and Oscillator........................................................ 194
26. PACKAGE DIMENSION ......................................................................................................... 195
26.1 44L PLCC ................................................................................................................... 195
26.2 48L LQFP (7x7x1.4mm footprint 2.0mm) ................................................................... 196
27. APPLICATION NOTE ............................................................................................................. 197
28. REVISION HISTORY .............................................................................................................. 203
Publication Release Date: April 15, 2008
-4-
Revision A4.0