Pio Timing; Pio Data Transfer To/From Device - Maxtor 96147H6 User Manual

PIO Timing

PIO Timing
PIO Timing PIO Timing PIO Timing
T IM IN G PARAMET ERS
t0 Cycle Time (min)
t1 Address vali d to DIOR-/D IOW - setup (min)
t2 D IOR-/DIOW- 16-bi t (min)
t2i D IOR-/DIOW- recovery ti me (min)
t3 DIOW- data setup (min)
t4 DIOW- data hold (min)
t5 D IOR- data setup (min)
t6 DIOW- data hold (min)
t6Z D IOR- data tri state (max)
t9 D IOR-/DIOW- to address vali d hold (min)
tRd Read Data Vali d to IORDY acti ve (min)
tA IORD Y Setup Ti me
tB IORDY Pulse Width (max)
MODE 0 MODE 1 MODE 2
600 ns 383 ns 240 ns
70 ns 50 ns
165 ns 125 ns
60 ns 45 ns
30 ns 20 ns
50 ns 35 ns
5 ns 5 ns
30 ns 30 ns
20 ns 15 ns
0 0
35 ns 35 ns
1250 ns 1250 ns 1250 ns
Figure 5 - 2

PIO Data Transfer To/From Device

MODE 3 MODE 4
180 ns 120 ns
30 ns 30 ns 25 ns
100 ns 80 ns 70 ns
70 ns 25 ns
30 ns 30 ns 20 ns
15 ns 10 ns 10 ns
20 ns 20 ns 20 ns
5 ns 5 ns 5 ns
30 ns 30 ns 30 ns
10 ns 10 ns 10 ns
0 0 0
35 ns 35 ns 35 ns
1250 ns 1250 ns
AT INTERFACE DESCRIPTION
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