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FUJITSU MCE3130AP User Manual

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C156-E142-02EN

Table 4.115 Multiword DMA data transfer timing parameters

Symbol

Timing parameter

min

(Units: ns)

max

(Units: ns)

Condition

t0

Cycle time

120

-

Mode 2

tD

DIOR-/DIOW- pulse width

70

-

tE

DIOR- data access time

50

-

tF

DIOR- data hold time

5

-

tG

DIOR-/DIOW- data setup time

20

-

tH

DIOW- data hold time

10

-

tI

DMACK- to DIOR/DIOW- setup time

0

-

tJ

DIOR-/DIOW to DMACK- hold time

5

-

tK

DIOR-/DIOW negated pulse width time

25

-

tL

DIOR-/DIOW to DMARQ- delay time

35

-

tM

CS (1:0) to DIOR /DIOW valid time

25

-

tN

CS (1:0) hold time

10

-

tZ

DMACK- to tristate time

25

-

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