FD1771 formatter/controller equivalent, floppy disk formatter/controller.
re transferred to the shift regist.
1.1 FD1771 - Flexible Drive Interface (Refer to Figure 1-1
FD1771 Block Diagram)
The FD1771 hand les si ngle density frequency modulated
The F01771 generates all controls to position the read/
(FM) data. Each data cell is defined by clock pulses..
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