Pio timing, Figure 5 - 2 pio data transfer to/from device – Maxtor DIAMONDMAXTM PLUS 5120 92048D8 User Manual

Page 35

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AT INTERFACE DESCRIPTION

5 – 24

TIMING PARAMETERS

MODE 0

MODE 1

MODE 2

MODE 3

MODE 4

t0

Cycle Time (min)

600 ns

383 ns

240 ns

180 ns

120 ns

t1

Address valid to DIOR-/DIOW- setup (min)

70 ns

50 ns

30 ns

30 ns

25 ns

t2

DIOR-/DIOW- 16-bit (min)

165 ns

125 ns

100 ns

80 ns

70 ns

t2i

DIOR-/DIOW- recovery time (min)

70 ns

25 ns

t3

DIOW- data setup (min)

60 ns

45 ns

30 ns

30 ns

20 ns

t4

DIOW- data hold (min)

30 ns

20 ns

15 ns

10 ns

10 ns

t5

DIOR- data setup (min)

50 ns

35 ns

20 ns

20 ns

20 ns

t6

DIOW- data hold (min)

5 ns

5 ns

5 ns

5 ns

5 ns

t6Z

DIOR- data tristate (max)

30 ns

30 ns

30 ns

30 ns

30 ns

t9

DIOR-/DIOW- to address valid hold (min)

20 ns

15 ns

10 ns

10 ns

10 ns

tRd

Read Data Valid to IORDY active (min)

0

0

0

0

0

tA

IORDY Setup Time

35 ns

35 ns

35 ns

35 ns

35 ns

tB

IORDY Pulse Width (max)

1250 ns

1250 ns

1250 ns

1250 ns

1250 ns

PIO Timing

Figure 5 - 2

PIO Data Transfer To/From Device

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