Preliminary W77E468
8 BIT MICROCONTROLLER
Table of Contents--
GENERAL DESCRIPTION..............................................................................................................................2
FEATURES......................................................................................................................................................2
PIN CONFIGURATION....................................................................................................................................3
BLOCK DIAGRAM...........................................................................................................................................4
PIN DESCRIPTION..........................................................................................................................................5
FUNCTIONAL DESCRIPTION ........................................................................................................................6
PROGRAMMABLE TIMERS/COUNTERS....................................................................................................54
TIMED ACCESS PROTECTION ...................................................................................................................71
ON-CHIP MTP ROM CHARACTERISTICS...................................................................................................72
ABSOLUTE MAXIMUM RATINGS ................................................................................................................76
DC ELECTRICAL CHARACTERISTICS ......................................................................................................76
AC ELECTRICAL CHARACTERISTICS........................................................................................................78
EXTERNAL CLOCK CHARACTERISTICS ...................................................................................................78
AC SPECIFICATION..................................................................................................................................78
MOVX CHARACTERISTICS USING STRECH MEMORY CYCLES ........................................................79
TYPICAL APPLICATION CIRCUITS .............................................................................................................82
Using External ROM and RAM ...................................................................................................................82
PACKAGE DIMENSIONS..............................................................................................................................83
100-pin QFP ...............................................................................................................................................83
Publication Release Date: January 1999
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Revision A1