8254 Programmable Timer

Overview

8254 Programmable Timer is used for timing control applications in microcomputer systems. The design is capable of generating accurate time delays under software control.

Key Features

  • Three independently operated 19-bit counters
  • Binary/BCD count operation
  • Multiple Latch command for easy monitoring
  • Counter Latch command
  • Six count modes available for each counter
  • Interrupt at the End of the Count
  • GATE Retriggerable One-Shot
  • Rate Generator
  • Square Wave Generator
  • Software-Triggered Strobe
  • Re-triggerable Hardware-Triggered Strobe

Benefits

  • Configurable for ease of use
  • Core designed to use with microcomputer systems

Block Diagram

8254 Programmable Timer Block Diagram

Applications

  • Real time clock
  • Event counter
  • Programmable rate generator
  • Square ware generator
  • Complex waveform generator

Deliverables

  • ....

Technical Specifications

Maturity
Not Applicable
Availability
Available
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Semiconductor IP