
Preliminary W77LE532
8-BIT MICROCONTROLLER
Publication Release Date: May 14, 2003
Revision A1
- 1 -
Table of Contents-
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GENERAL DESCRIPTION.................................................................................................................. 2
FEATURES ......................................................................................................................................... 2
PIN CONFIGURATIONS..................................................................................................................... 3
PIN DESCRIPTION............................................................................................................................. 4
BLOCK DIAGRAM............................................................................................................................... 6
FUNCTIONAL DESCRIPTION............................................................................................................ 7
MEMORY ORGANIZATION................................................................................................................ 8
INSTRUCTION.................................................................................................................................. 33
INSTRUCTION TIMING .................................................................................................................... 33
POWER MANAGEMENT .................................................................................................................. 41
RESET CONDITIONS....................................................................................................................... 43
RESET STATE.................................................................................................................................. 44
PROGRAMMABLE TIMERS/COUNTERS........................................................................................ 48
TIMED ACCESS PROTECTION....................................................................................................... 63
IN-SYSTEM PROGRAMMING.......................................................................................................... 66
15.1
The Loader Program locates at LDFLASH memory...................................................................66
15.2
The Loader Program locates at APFLASH memory...................................................................66
ON-CHIP FLASH EPROM CHARACTERISTICS.............................................................................. 66
SECURITY BITS................................................................................................................................ 69
ELECTRICAL CHARACTERISTIC.................................................................................................... 70
18.1
Absolute Maximum Ratings........................................................................................................70
18.2
DC Characteristics......................................................................................................................70
18.3
AC Characteristics......................................................................................................................72
TYPICAL APPLICATION CIRCUITS................................................................................................. 77
19.1
Expanded External Program Memory and Crystal......................................................................77
19.2
Expanded External Data Memory and Oscillator........................................................................78
PACKAGE DIMENSIONS.................................................................................................................. 78
20.1
40-pin DIP ..................................................................................................................................78
20.2
44-pin PLCC...............................................................................................................................79
20.3
44-pin QFP.................................................................................................................................79
APPLICATION NOTE........................................................................................................................ 80
21.1
In-system Programming Software Examples..............................................................................80
REVISION HISTORY......................................................................................................................... 85
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