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8-BIT MICROCONTROLLER



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W77LE532 데이터시트, 핀배열, 회로
W77LE532 Data Sheet
Table of Contents-
8-BIT MICROCONTROLLER
1. GENERAL DESCRIPTION .................................................................................................................. 2
2. FEATURES ......................................................................................................................................... 2
3. PIN CONFIGURATIONS ..................................................................................................................... 3
4. PIN DESCRIPTION ............................................................................................................................. 4
5. BLOCK DIAGRAM............................................................................................................................... 6
6. FUNCTIONAL DESCRIPTION ............................................................................................................ 7
7. MEMORY ORGANIZATION ................................................................................................................ 8
8. INSTRUCTION .................................................................................................................................. 33
9. INSTRUCTION TIMING .................................................................................................................... 33
10. POWER MANAGEMENT .................................................................................................................. 41
11. RESET CONDITIONS ....................................................................................................................... 43
12. RESET STATE .................................................................................................................................. 44
13. PROGRAMMABLE TIMERS/COUNTERS ........................................................................................ 48
14. TIMED ACCESS PROTECTION ....................................................................................................... 63
15. IN-SYSTEM PROGRAMMING .......................................................................................................... 66
15.1 The Loader Program locates at LDFLASH memory. .................................................................. 66
15.2 The Loader Program locates at APFLASH memory. .................................................................. 66
16. ON-CHIP FLASH EPROM CHARACTERISTICS.............................................................................. 66
17. SECURITY BITS................................................................................................................................ 69
18. ELECTRICAL CHARACTERISTIC .................................................................................................... 70
18.1 Absolute Maximum Ratings ........................................................................................................ 70
18.2 DC Characteristics...................................................................................................................... 70
18.3 AC Characteristics...................................................................................................................... 72
19. TYPICAL APPLICATION CIRCUITS ................................................................................................. 77
19.1 Expanded External Program Memory and Crystal...................................................................... 77
19.2 Expanded External Data Memory and Oscillator ........................................................................ 78
20. PACKAGE DIMENSIONS.................................................................................................................. 78
20.1 40-pin DIP .................................................................................................................................. 78
20.2 44-pin PLCC............................................................................................................................... 79
20.3 44-pin QFP ................................................................................................................................. 79
21. APPLICATION NOTE ........................................................................................................................ 80
21.1 In-system Programming Software Examples.............................................................................. 80
22. REVISION HISTORY......................................................................................................................... 85
Publication Release Date: November 10, 2003
- 1 - Revision A2


W77LE532 데이터시트, 핀배열, 회로
W77LE532
1. GENERAL DESCRIPTION
The W77LE532 is a fast 8051 compatible microcontroller with a redesigned processor core without
wasted clock and memory cycles. As a result, it executes every 8051 instruction faster than the
original 8051 for the same crystal speed. Typically, the instruction executing time of W77LE532 is 1.5
to 3 times faster then that of traditional 8051, depending on the type of instruction. In general, the
overall performance is about 2.5 times better than the original for the same crystal speed. Giving the
same throughput with lower clock speed, power consumption has been improved. Consequently, the
W77LE532 is a fully static CMOS design; it can also be operated at a lower crystal clock. The
W77LE532 contains In-System Programmable(ISP) 128 KB bank-addressed Flash EPROM; 4KB
auxiliary Flash EPROM for loader program; operating voltage from 2.7V to 5.5V; on-chip 1 KB MOVX
SRAM; three power saving modes.
2. FEATURES
8-bit CMOS microcontroller
High speed architecture of 4 clocks/machine cycle runs up to 25 MHz
Pin compatible with standard 80C52
Instruction-set compatible with MCS-51
Four 8-bit I/O Ports
One extra 4-bit I/O port and Wait State control signal (available on 44-pin PLCC/QFP package)
Three 16-bit Timers
12 interrupt sources with two levels of priority
On-chip oscillator and clock circuitry
Two enhanced full duplex serial ports
Dula 64KB In-System Programmable Flash EPROM banks (APFLASH0 and APFLASH1)
4KB Auxiliary Flash EPROM for loader program (LDFLASH)
256 bytes scratch-pad RAM
1 KB on-chip SRAM for MOVX instruction
Programmable Watchdog Timer
Software Reset
Dual 16-bit Data Pointers
Software programmable access cycle to external RAM/peripherals
Packages:
DIP 40: W77LE532-25
PLCC 44: W77LE532P-25
QFP 44: W77LE532F-25
-2-




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