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W77E516A 数据表 (PDF) - Winbond

W77E516A Datasheet PDF - Winbond
部件名 W77E516A
下载  W77E516A 下载

文件大小   766.93 Kbytes
  90 Pages
制造商  WINBOND [Winbond]
网页  http://www.winbond.com
标志 WINBOND - Winbond
功能描述 8-BIT MICROCONTROLLER

W77E516A Datasheet (PDF)

Go To PDF Page 下载 数据表
W77E516A Datasheet PDF - Winbond

部件名 W77E516A
下载  W77E516A Click to download

文件大小   766.93 Kbytes
  90 Pages
制造商  WINBOND [Winbond]
网页  http://www.winbond.com
标志 WINBOND - Winbond
功能描述 8-BIT MICROCONTROLLER

W77E516A 数据表 (HTML) - Winbond

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W77E516A 产品详情

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.



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 Flash-EPROM

• Four 8-bit I/O Ports; Port 0 has internal pull-up resisters enabled by software

• 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:

  − Lead Free(RoHs) DIP 40: W77E516A40DL

  − Lead Free(RoHs) PLCC 44: W77E516A40PL

  − Lead Free(RoHs) QFP 44: W77E516A40FL



 




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