* [[Media:UPD765 Datasheet OCRed.pdf]] [[Media:UPD765-NEC.pdf]] - uPD765 disc controller
* [https://www.threedee.com/jcm/terak/docs/Intel%208272A%20Floppy%20Controller.pdf Intel 8272A Datasheet(preliminary 1982 version)] - Identical clone of the uPD765. [https://scarybeastsecurity.blogspot.com/2020/11/reverse-engineering-forgotten-1970s.html The decapped photos of both chips] prove they are identical
* [[Media:FDC9229BT Datasheet.pdf]] - FDC9229BT data separator (that usually assists the uPD765 chip)
* [[Media:DDI Schematic.png]] - DDI-1 Schematic (disc interface for CPC464)
[[Category:CPC Internal Components]][[Category:Programming]][[Category:DATA Storage]][[Category:Electronic Component]]