6523A-28

6523A-28

Function:

  • The TPI (Tri-Port Interface) is an I/O chip with 3 8 bit parallel¬† ports
    this 28 version is identical with the normal 40 pin 6523 version, but not all pins are connected to the outside
  • the 6523 that doesn’t have interupts

Used in:

  • 1551 Drive Dongle

Datasheets:

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