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W77E58 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 8-BIT Microcontroller - Winbond

भाग संख्या W77E58
समारोह 8-BIT Microcontroller
मैन्युफैक्चरर्स Winbond 
लोगो Winbond लोगो 
पूर्व दर्शन
1 Page
		
<?=W77E58?> डेटा पत्रक पीडीएफ

W77E58 pdf
W77E58
1. GENERAL DESCRIPTION
The W77E58 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 W77E58 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
W77E58 is a fully static CMOS design; it can also be operated at a lower crystal clock. The W77E58
contains 32 KB Flash EPROM, and provides operating voltage from 4.5V to 5.5V. All W77E58 types
also support on-chip 1 KB SRAM without external memory component and glue logic, saving more I/O
pins for users’ application usage if they use on-chip SRAM instead of external SRAM.
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
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
32 KB Flash EPROM
256 bytes scratch-pad RAM
1 KB on-chip SRAM for MOVX instruction
Programmable Watchdog Timer
Dual 16-bit Data Pointers
Software programmable access cycle to external RAM/peripherals
Packages:
DIP 40: W77E58-25/40
PLCC 44: W77E58P-25/40
QFP 44: W77E58F-25/40
-2-

विन्यास 30 पेज
डाउनलोड[ W77E58 Datasheet.PDF ]


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