HighPoint HPT366 Data Manual page 47

HighPoint Technologies,Inc
*Notes:
1. t is the minimum total cycle time, t
0
and t
2i
The actual cycle time equals the sum of the actual command active time
and the actual command inactive time. The three timing requirements of t
t , and t
2
ter than the sum of t
then either or both t
value reported in the devices IDENTIFY DEVICE data. A device implemen-
tation shall support any legal host implementation.
2. This parameter specifies the time from the negation edge of DIOR- to the
time that the data bus is no longer driven by the device(tri-state).
3. The delay from the activation of DIOR- or DIOW- until the state of IORDY
is first sample. If IORDY is inactive then the host shall wait until IORDY
is active fefore the PIO cycle is completed. If the device is not driving
IORDY# negated at the t
shall be met and t
gated at the time t
be met and t
is the minimum command recovery time or command inactive time.
shall be met. The minimum total cycle time requirements is grea-
2i
and t . This means a host implementation may leng-
2 2i
or t to ensure that t
2 2i
after the activation of DIOR- or DIOW-, then t
A
is not applicable. If the device is driving IORDY# ne-
RD
after the activation of DIOR- or DIOW-, then
A
is not applicable.
5
is the minimum command active time,
2
is equal to or greater than the
0
5-8
Timing/IDE Timing
,
0
5
t
RD shall
HPT366 Data Manual
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