Fabio Battaglia
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Description
TK2000 F.A.S.T.I.D.I.O.
The F.A.S.T.I.D.I.O. (Fully Addressable Simple Twin Interface Digital I/O) is an expansion card for the TK2000 computer that provides two 6522 VIAs to the computer.
Using 6522, you gain timers, and 4 8-bit I/O ports that can be used, for example, to interface with gamepads, or SD cards. All the I/O ports are broken out to pin headers. Additionally, the address of each 6522 can be set independently (and either of the VIAs can be left out entirely).
This board is meant to be used in the TK2000 bus extender and is part of my project to build a set of cards for the TK2000 computer.
Schematic and Layout
https://codeberg.org/hkzlab/TK2000_FASTIDIO
Sep 07,2025
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TK2000 F.A.S.T.I.D.I.O.
Fully Addressable Simple Twin Interface Digital I/O for the TK2000 home computer
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3
Published: Sep 07,2025
Standard PCB
Download Gerber file 3
BOM(Bill of materials)
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File Last Updated: 2025/09/25 (GMT+8)
File update record
2025-09-2502:20:29
Gerber file is updated.
2025-09-1119:57:44
Gerber file is updated.
2025-09-1119:50:12
Gerber file is updated.
2025-09-1118:03:02
Parts List (BOM) is updated.
2025-09-1118:03:02
Gerber file is updated.
2025-09-0914:25:46
Parts List (BOM) is updated.
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