Timing Of Host Interface (Pio) - Toshiba R6472 - DVD±RW Drive - IDE Specifications

6.2.2. Timing of Host Interface (PIO)

Figure 9 shows the timings of the host interface.
Address valid
t1
DIOR-/DIOW-*1
Write data valid
Read data valid
IORDY
*1: In all timing diagrams, the low line indicator is negated and the upper line indicators asserted.
PIO timing parameters min (ns) max (ns)
t0 Cycle time
t1 Address valid to DIOR/DIOW-setup
t2 DIOR/DIOW-pulse wide
t2i DIOR/DIOW-recovery time
t3 DIOW-data setup
t4 DIOW-data hold
t5 DIOW-data setup
t6 DIOR-data hold
t6Z DIOR-data tristate
t9 DIOR/DIOW-to address valid hold
tRD Read Data Valid to IORDY active
tA IORDY setup
tB IORDY pulse wide
t2
tB
tA
Figure 9 Timings of Host Interface (PIO mode4)
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t0
t9
t3
t4
t5
t6
t6Z
tRD
Min Time (ns)
120
25
70
25
20
10
20
5
10
0
TS-L532A (SD-R6472) Rev.1.1
t2i
Max Time (ns)
30
35
1250