Timing; Pio Data Transfer; Figure 5.9 Pio Data Transfer Timing - Fujitsu MHU2100AT Product Manual

Mhu series, 2.5-inch hard disk drives
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Interface

5.6 Timing

5.6.1 PIO data transfer

Figure 5.9 shows of the data transfer timing between the device and the host
system.
Addresses
DIOR-/DIOW-
Write data
DD0-DD15
Read data
DD0-DD15
IORDY
Symbol
t0
Cycle time
t1
Data register selection setup time for DIOR-/DIOW-
t2
Pulse width of DIOR-/DIOW-
t2i
Recovery time of DIOR-/DIOW-
t3
Data setup time for DIOW-
t4
Data hold time for DIOW-
t5
Time from DIOR- assertion to read data available
t6
Data hold time for DIOR-
t9
Data register selection hold time for DIOR-/DIOW-
t10
Time from DIOR-/DIOW- assertion to IORDY "low" level
t11
Time from validity of read data to IORDY "high" level
t12
Pulse width of IORDY
5-146
t1
t2
t5
t10
t12
Timing parameter

Figure 5.9 PIO data transfer timing

t0
t9
t2i
t3
t4
t6
t11
Min.
120
25
70
25
20
10
5
10
0
Max.
Unit
ns
ns
ns
ns
ns
ns
50
ns
ns
ns
35
ns
ns
1,250
ns
C141-E202-01EN

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