P87C055 Datasheet (PDF) Download
NXP Semiconductors
P87C055

Key Features

  • 83C145; 83C845 83C055; 87C055
  • One 14-bit PWM for high-precision voltage integration
  • Nine dedicated I/Os plus 28 port bits (15 port bits with alternative uses)
  • 4 high current open-drain port outputs
  • 12 high voltage (+12 V) open-drain outputs
  • Programmable video input and output polarities
  • 80C51 instruction set
  • No external memory capability
  • Plastic shrink dual in-line package (0.07 inch centre pins)
  • High-speed CMOS technology