W77E516, W77E516-40, W77E516A40DL Selling Leads, Datasheet
MFG:WINBOND Package Cooled:PLCC D/C:07+
W77E516, W77E516-40, W77E516A40DL Datasheet download
Part Number: W77E516
MFG: WINBOND
Package Cooled: PLCC
D/C: 07+
W77E516, W77E516-40, W77E516A40DL
- Table of contents:
Info of W77E516
Info of W77E516-40
Info of W77E516A40DL
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About W77E516
PDF/DataSheet Download
Datasheet: W77E516
File Size: 1134125 KB
Manufacturer: Winbond
Download : Click here to Download
About W77E516-40
PDF/DataSheet Download
Datasheet: W77E516-40
File Size: 610374 KB
Manufacturer: Winbond
Download : Click here to Download
About W7700B
PDF/DataSheet Download
Datasheet: W7700B
File Size: 1640350 KB
Manufacturer:
Download : Click here to Download
W77E516 General Description
The W77E516 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 W77E516 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 W77E516 is a fully static CMOS design; it can also be operated at a lower crystal clock. The W77E516 contains In-System Programmable (ISP) 64 KB 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.
W77E516 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
· 64KB on-chip Mask-ROM
· 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
· 64KB In-System Programmable Flash EPROM (APROM)
· 4KB Auxiliary Flash EPROM for loader program (LDROM)
· 256 bytes scratch-pad RAM
· 1KB 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: W77E516-25/40
- PLCC 44: W77E516P-25/40
- QFP 44: W77E516F-25/40
· High speed architecture of 4 clocks/machine cycle runs up to 40 MHz
· Pin compatible with standard 80C52
· Instruction-set compatible with MCS-51
· 64KB on-chip Mask-ROM
· 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
· 64KB In-System Programmable Flash EPROM (APROM)
· 4KB Auxiliary Flash EPROM for loader program (LDROM)
· 256 bytes scratch-pad RAM
· 1KB 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: W77E516-25/40
- PLCC 44: W77E516P-25/40
- QFP 44: W77E516F-25/40
W77E516 Connection Diagram
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