Preliminary W77LE532
8-BIT MICROCONTROLLER
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
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
15.2
The Loader Program locates at LDFLASH memory. .................................................................. 66
The Loader Program locates at APFLASH memory. .................................................................. 66
16.
17.
18.
ON-CHIP FLASH EPROM CHARACTERISTICS.............................................................................. 66
SECURITY BITS................................................................................................................................ 69
ELECTRICAL CHARACTERISTIC .................................................................................................... 70
18.1
18.2
18.3
Absolute Maximum Ratings ........................................................................................................ 70
DC Characteristics...................................................................................................................... 70
AC Characteristics...................................................................................................................... 72
Expanded External Program Memory and Crystal...................................................................... 77
Expanded External Data Memory and Oscillator ........................................................................ 78
40-pin DIP .................................................................................................................................. 78
44-pin PLCC............................................................................................................................... 79
44-pin QFP ................................................................................................................................. 79
In-system Programming Software Examples.............................................................................. 80
19.
TYPICAL APPLICATION CIRCUITS ................................................................................................. 77
19.1
19.2
20.
PACKAGE DIMENSIONS.................................................................................................................. 78
20.1
20.2
20.3
21.
22.
APPLICATION NOTE ........................................................................................................................ 80
21.1
REVISION HISTORY......................................................................................................................... 85
-1-
Publication Release Date: May 14, 2003
Revision A1