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W77E516A40DL

8051 W77 Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH

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Overview of W77E516A40DL

8051 W77 Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH

Key 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

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Series W77 Package Tube
Product Status Obsolete Programmabe Not Verified
Core Processor 8051 Core Size 8-Bit
Speed 40MHz Connectivity EBI/EMI, Serial Port
Peripherals POR, WDT Number of I/O 32
Program Memory Size 64KB (64K x 8) Program Memory Type FLASH
RAM Size 1K x 8 Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Oscillator Type Internal Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole Package / Case 40-DIP
Base Product Number W77E516

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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