4.7 Timing

Table 4.118 Multiword DMA data transfer timing parameters

Symbol

Timing parameter

min

max

 

Condition

 

 

(Units: ns)

(Units:

ns)

 

 

 

 

 

 

 

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

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

-

 

 

 

 

 

 

 

 

C156-E205-01EN

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Image 153
Fujitsu MCJ3230AP manual Multiword DMA data transfer timing parameters