WDC 65C21 - Features of The W65C21S

Features of The W65C21S

  • Low power CMOS N-well silicon gate technology
  • High speed/Low power replacement for Motorola / Rockwell / AMI / *MOS Technology / MOSTEK / HITACHI / ST Microelectronics / GTE / CMD 6520, 6521, 6820, 6821 PIA’s
  • Two 8-bit bidirectional I/O ports with individual data direction control.
  • Automatic “Handshake” control of data transfers
  • Two interrupts (one for each port) with program control
  • Static to 14MHz operation, with high speed Port A, CA2 outputs.
  • Industrial temperature range
  • 40 Pin Plastic Dip and 44 Pin Plastic PLCC versions
  • 5 volt ± 10% supply requirements
  • Compatible with the 65xx and 68xx family of microprocessors

Read more about this topic:  WDC 65C21

Famous quotes containing the words features of and/or features:

    “However much we may differ in the choice of the measures which should guide the administration of the government, there can be but little doubt in the minds of those who are really friendly to the republican features of our system that one of its most important securities consists in the separation of the legislative and executive powers at the same time that each is acknowledged to be supreme, in the will of the people constitutionally expressed.”
    —Andrew Jackson (1767–1845)

    “Each reader discovers for himself that, with respect to the simpler features of nature, succeeding poets have done little else than copy his similes.”
    —Henry David Thoreau (1817–1862)