Read Data - Epson SMD-100 series Specification

(2) Track 00 (TKOO)
This signal goe. s low when the read/wri te head is in the outermost posi­
tion on the disk.
(3)
Index (IDX)
One low pulse of thls signal is genera ted fQr each rotation of the disk.
The trailing edge of this pulse shows the beginning of the track.
ZOOms (nom)
0.5,....,Gms
(4) Read data (ROD)
ROD outputs the bit stream of read data fram the read circuit. This
signal i3 normally high and goes low in response to a change in the
polarity of tqe data on the disk.
4.us
(0001) Bjls(nom)
--t---. . . . .
r -1.us
±
O. 35.us
(5) Write enable (WE)
This signal goes low and i3 sent to the host computer when a disk
cartridge with a
wri~e
enable
notch
is set in the disk drive.
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