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My old computer

  • Home
  • Amiga
    • Boot Selector A500
    • Boot Selector A500 Version 2
    • External Gotek drive emulator
    • 1 Mb Chip ram A500 rev 5.
  • Commodore 64
    • Internal C64 joystick switch “JoySwap”
    • XUM1541 ProMicro
  • ZX Spectrum
    • Keyboard replacement
  • Other
    • Commodore 16
      • Commodore 16 Memory expansion
      • C16 switchless kernal selector
      • Commodore 16 Rom update
    • Commodore SX-64
      • drive number switch SX-64
    • VIC 20
      • S-video mod
      • VIC20 Diagnostic Set
    • Compucase 64d
      • Compucase 64 Project
        • TOD signal generator
  • Technical Info
    • Mainboards
      • Commodore 64
        • Board 326298-01 C64
        • Board KU14194HB C64
        • Board 250407-01 C64a (cr)
        • Board 250425-01 C64b
        • Board 250441-01 B2
        • Board 250466 B3
        • Board 250469 E
      • Commodore SX 64
        • SX 64 I/O board
        • SX 64 FDD board
        • SX 64 CPU Board
      • Commodore 128
        • Board 310379 C128(D)
        • Board 310396 C128 Intergral Disk
        • Board 250477 C128DCR
      • Commodore VIC 20
        • Board VIC 20-E
        • Board 324003 VIC 20
        • Board 250403 VIC 20-CR
      • Commodore 16
      • Commodore Plus/4
      • Commodore 116
      • Drive Mainboards
        • Board 1540008 1540/1541
        • Board 250442 1541 A
        • Board 1540048/1540050 1541
        • Board 250446 1541 A-2
        • Board 340503 1541-II
        • Board 250449/250453 1551
        • Board 310420 1570/1571
        • Board 250471 1581
    • DataSheets and Pinouts
      • Integrated Chip pinout and datasheets
        • Memory
          • 2332
          • 2364
          • 23128
          • 23256
          • 27256
          • 27512
          • 4116
          • 4164
          • 41256
          • 4464
          • 4416
        • Processors
          • 6502
          • 6510
          • 7501
          • 8500
          • 8501
        • I/O chip
          • 6526
        • Video and Audio
          • 6567
          • 6569
          • 6581
          • 7360
        • Support logic
          • 8701
          • 906114-01(PLA)
      • Connector pinouts
        • Connectors Commodore 64
        • Connectors Commodore SX 64
        • Connectors Commodore 128
        • Connectors Commodore 16
        • Connectors Commodore VIC 20
    • Commodore 8 bit ROMs
      • Drive ROMs
      • Computer ROMs
  • Wanted
  • Events
  • Links
  • Contact

I/O chip

I/O chip

PartName
6522VIA
6523TPI
6523A-28TPI
6525TPI
6526CIA
6529SPI
8521CIA

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  • Computer Mainboards
  • Drive Mainboards
  • Connector pinouts
  • Integrated Chip pinout and datasheets
  • Drive ROMs
  • Computer ROMs

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