UPD765
Datasheet
re-typed datasheet:
https://www.salkin.co.uk/~wiki/pdf/upd765.odf
https://www.salkin.co.uk/~wiki/pdf/uPD765.pdf
Pinout
COPIED FROM: https://sinclair.wiki.zxnet.co.uk/wiki/%CE%9CPD765A
μPD765A/B
The μPD765A/B (NEC) or Z0765A (Zilog) is Floppy Disk Controller (FDC) IC. It used in ZX Spectrum +2A/2B, +3/3B.
Pinout:
RESET < |
1 ° 40 |
> VCC (+5V) |