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8-BIT MICROCONTROLLER



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W77E532A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
W77E532/W77E532A DATA SHEET
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 2
2. FEATURES ................................................................................................................................. 2
3. PIN CONFIGURATIONS ............................................................................................................ 3
4. PIN DESCRIPTION..................................................................................................................... 4
5. FUNCTIONAL DESCRIPTION ................................................................................................... 6
6. MEMORY ORGANIZATION ....................................................................................................... 8
7. INSTRUCTION.......................................................................................................................... 32
8. INSTRUCTION TIMING ............................................................................................................ 33
9. POWER MANAGEMENT.......................................................................................................... 41
10. INTERRUPTS ........................................................................................................................... 46
11. PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 49
12. SERIAL PORT .......................................................................................................................... 58
13. TIMED ACCESS PROTECTION .............................................................................................. 65
14. H/W REBOOT MODE (BOOT FROM 4K BYTES OF LDFLASH ) ........................................... 67
15. IN-SYSTEM PROGRAMMING ................................................................................................. 68
15.1 The Loader Program Locates at LDFLASH Memory ................................................... 68
15.2 The Loader Program Locates at APFLASH Memory ................................................... 68
16. H/W WRITER MODE ................................................................................................................ 68
17. SECURITY BITS ....................................................................................................................... 69
18. ELECTRICAL CHARACTERISTICS......................................................................................... 70
18.1 Absolute Maximum Ratings .......................................................................................... 70
18.2 DC Characteristics........................................................................................................ 70
18.3 AC Characteristics ........................................................................................................ 71
18.3.1 AC Specification .......................................................................................................... 72
18.3.2 MOVX Characteristics Using Strech Memory Cycle .................................................... 73
18.3.3 Program Memory Read Cycle ..................................................................................... 74
18.3.4 Data Memory Read Cycle............................................................................................ 75
18.3.5 Data Memory Write Cycle............................................................................................ 75
19. TYPICAL APPLICATION CIRCUITS ........................................................................................ 76
19.1 Crystal connections ...................................................................................................... 76
19.2 Expanded External Data Memory and Oscillator ......................................................... 77
20. PACKAGE DIMENSIONS ......................................................................................................... 78
20.1 40-pin DIP ..................................................................................................................... 78
20.2 44-pin PLCC ................................................................................................................. 78
20.3 44-pin QFP.................................................................................................................... 79
21. APPLICATION NOTE ............................................................................................................... 80
22. REVISION HISTORY ................................................................................................................ 85
Publication Release Date: November 19, 2007
- 1 - Revision A9


W77E532A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
W77E532/W77E532A
1. GENERAL DESCRIPTION
The W77E532A 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 W77E532A 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
W77E532A is a fully static CMOS design; it can also be operated at a lower crystal clock. The
W77E532A contains In-System Programmable(ISP) 128 KB bank-addressed Flash EPROM; 4KB
auxiliary Flash EPROM for loader program; operating voltage from 4.5V 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 40 MHz
Pin compatible with standard 80C52
Instruction-set compatible with MCS-51
Four 8-bit I/O Ports; Port 0 has internal pull-up resisters enabled by software
One extra 4-bit I/O port, chip select 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
Dual 64KB In-System Programmable Flash EPROM banks (APFLASH0 and APFLASH1)
4KB Auxiliary Flash EPROM for loader program (LDFLASH)
64 Bytes Non-Volatile Memory for critical date storage.
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:
Lead Free(RoHS) DIP 40: W77E532A40DL
Lead Free(RoHS) PLCC 44: W77E532A40PL
Lead Free(RoHS) QFP 44: W77E532A40FL
Publication Release Date: November 19, 2007
- 2 - Revision A9




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