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W78E054D - 8-BIT MICROCONTROLLER

Description

The W78E054D/W78E052D series is an 8-bit microcontroller which can accommodate a wider frequency range with low power consumption.

The instruction set for the W78E054D/W78E052D series is fully compatible with the standard 8052.

Features

  • Fully static design 8-bit CMOS microcontroller.
  • Optional 12T or 6T mode.
  • 12T Mode, 12 clocks per machine cycle operation (default), Speed up to 40 MHz/5V.
  • 6T Mode, 6 clocks per machine cycle operation set by the writer, Speed up to 20 MHz/5V.
  • Wide supply voltage of 2.4V to 5.5V o o.
  • Temperature grade is (-40 C~85 C).
  • Pin and Instruction-sets compatible with MCS-51.
  • 256 bytes of on-chip scratchpad RAM.
  • 16K/8K bytes electrically erasable/programmable.

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Datasheet Details

Part number W78E054D
Manufacturer Nuvoton
File Size 1.43 MB
Description 8-BIT MICROCONTROLLER
Datasheet download datasheet W78E054D Datasheet

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Full PDF Text Transcription

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W78E054D/W78E052D Data Sheet 1 GENERAL DESCRIPTION The W78E054D/W78E052D series is an 8-bit microcontroller which can accommodate a wider frequency range with low power consumption. The instruction set for the W78E054D/W78E052D series is fully compatible with the standard 8052. The W78E054D/W78E052D series contains 16K/8K bytes Flash EPROM programmable by hardware writer; a 256 bytes RAM; four 8-bit bi-directional (P0, P1, P2, P3) and bit-addressable I/O ports; an additional 4-bit I/O port P4; three 16-bit timer/counters; a hardware watchdog timer and a serial port. These peripherals are supported by 8 sources 4-level interrupt capability.
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