FLOPPY DISK DRIVE SPECIFICATION
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5.3.7 Write Gate
"LOW" level of this signal enables the write data to be written on the disk provided that the drive is selected, disk used is not write protected and seek operation is completed.
When this signal changes to "HIGH" level, the read or seek operation becomes possible.
5.3.8 Side Select
This signal selects the side of Heads.
Logical "HIGH" level : the lower side (side 0) of Heads "LOW " level : the upper side (side 1) of Heads
WRITE GATE
SIDE SELECT
100 ㎲ Min.
100 ㎲ Min.
650 ㎲ Min.
100 ㎲ Min.
READ DATA
validvalid
valid
valid 650 ㎲ Min
5.4Output Signals
5.4.1Index
This is a pulse signal output to indicate the start of the track, and it outputs at every revolution of the disk.
This output signal is activated when only the drive is in Ready state.
1∼8 ms
200±3 ms
(166.7±2.5 ms)(*1)
<Note>
(*1) The value in parenthsis is for 360 rpm (1.6MB Mode) rotation speed.
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