About this document
NEC uPD765A/B Floppy Disk Controller by mejmak is a document available to read on EtoBox.
The uPD765A/B is a floppy disk controller chip that interfaces up to four floppy disk drives to a processor. It supports both single and double density formats and handles most functions associated with a floppy disk interface such as address mark detection, DMA transfers, and interrupt generation. The chip provides 16 commands to control read, write, seek and other operations on the floppy drives.
- Author
- mejmak
- Language
- EN