Host Interface Timing; Program I/O Write Timing - Toshiba MK3006GAL Specification

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10.4 Host Interface Timing

10.4.1 Program I/O Write Timing

DA2, DA1, DA0
-CS0, -CS1
-DIOW
DD15∼DD0
-IOCS16
IORDY
Symbol
t Address Setup to -DOW Low
ASW
t Data Setup to -DOW High
DS
t -DOW Pulse Width
WE
t Data Hold from -DOW High
DH
t ADDR Hold from -DOW High
AHW
t -DOW Inactive
WER
t Write Cycle Time
WCY
t -IOCS16 valid from -CS
CICSV
t -IOCS16 valid from address
AICSV
t -IOCS16 inactive from address
AICSI
t IORDY Setup time
A
t IORDY Pulse Width
B
( ) -IOCS16 shall be specified in ATA-2 specifications. For other modes, this signal is invalid. The Drive
*
releases -IOCS16 within the time of t
determined by pull up resistance, output impedance and line capacitance.
t
ASW
t
CICSV
t
AICSV
Meaning
(min.)
(min.)
(min.)
(min.)
(min.)
(min.)
(min.)
(max.)
(max.)
(max.)
(max.)
(max.)
, but how much time it takes to turn to inactive condition is
AICSI
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t
WE
t
DS
t
t
A B
Transfer mode
0 1 2
70 50 30
60 45 30
165 125 100
30 20 15
20 15 10
- - -
600 383 240
90 50 40
90 50 40
60 45 30
35 35 35
1250 1250 1250
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t t
AHW AICSI
t
WER
t
WCY
t
DH
3 4
30 25
30 20
80 70
10 10
10 10
70 25
180 120
n/a* n/a*
n/a* n/a*
n/a* n/a*
35 35
1250 1250