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--
-24
GENERAL CONTRCl./TIMING
REQUIREMENTS
, ,
~SEC(MINI
....
'OOMS
~
(MINI
11
......
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~'SO
WS
'''T2CTORED)
11
.
,
400MS
~
r--
.,.J!!J
NS(MAXI
IMAXJ
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.J,.AlSIMAXJ
f.-*3S
NS'
MtN'--+------.
.....-+---i3S MSIMIN·t---If--------.
POlIER ON
.--e
MOTOR ON
1--
READY
DRIVE SELECT
(HEAD LOAm
~
VAl[).
TRACKOO
AND WRlTE PRllEC
OUTPUT
VAllllNDEXI
SECT~
OUTPUT
DIRECTION IN
STEP
WRlTE GATE
WRlTE DATA
--~~~--~----------~--------~nLl1-J1~~t'.'~~----------1
~
,..HltSlMAXJ
"
~]5 NS 'WAXI-'--..,.
n
VALID READ
DATA
"
......----35
MS I
NAX'-----t
-1,I~S ~
, ... "XI
~
ABOVE TIMING 15 5HOWN AS POSITIVE LOGIe. SIGNAL LlNES AT
INTERFACE ARE NEGATIVE LOGle.
~
535 ... S.WHEN USiNG HARD SECTORED DISKS.
BASF Aktiengesellschaft
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8700 Ludwigshafen
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