4-4. INTERFACE TIMING
Figure
4-13
shows
the
timing relationship for hostl
drive interface signals.
POWEAl~
________________________________________________________
_
I
I
FLOPPYCISK
IN1
I~----------------------------------------------------------
I
CAlVE
seLECT~~
____________________________________________________
_
----t--+j
r--0'S
,Ltsee
MAX.
READY
~
,
--+l
'
r---
1.0
sec
MAX.
I
~
VALID
WRTRRT-"'::~:--
~
~0.5
""e
MAX.
_l·J
r-
~
r--0'S
,usee
MAX.
VALID
INDEX-....:.,-....:.
.........
i
~
1.000e
MAX.
I I
I ,
HDLOAD--~--~--~I_,
____________________________________________
__
II
01
RTN-----------
1
...... '
: I
I
~I---------------------------------------------
~
I~
Omsec MIN.
STE?------..:....;...i
n n I
U-J-l
~II
15
~see
MIN.!
--..!
l+--4,:.tsec
MAX.
I '
LL
.
I
~
~
aomsecMtN.
I I I
J'
I !
I,
WRTDATA---'~--------------------~----~l
rlrll
!
~6omseeMIN·--r---~·1
U U U
~14---...;.1-1
sec MIN.
-.
--+---
••
\:
I
VALID
RDOA
TA---il-----~'------------~----...,
I
i!
l~
I I
--i
~30msecMIN.
I I I
I
rt--
60
msee MIN.
~I
I I
~14II1-------1
sec
MIN.----~~I
WRTGATE
u
Figure
4·13. HOST SIGNAL INTERFACE
TIMING
DIAGRAM
-15-