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16Z073_QDEC - Quadrature Decoder


The 16Z073_QDEC is a quadrature decoder IP core which can be used to interface a rotary encoder switch with 2-bit quadrature coded output and with an optional pushbutton switch.

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Main Features

  • FPGA IP Core<br />Wishbone bus interface<br />Rotary encoder switch interface<
16Z073_QDEC Product Image

Technical Data

  • Logic elements (Altera Cyclone device family): 100 typ.
  • Pin count min: 2
  • Pin count max: 3
System-Bus Interface
  • Wishbone bus interface compliant with Wishbone Specification B.3
  • 32-bit data transfer, 33MHz bus frequency
  • Supported Wishbone bus cycles
    • Single read/write
  • Input for quadrature encoder
  • 90 degress phase-shifted signals A and B
  • Push-button signal


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