Host Interface

Table 4.119 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

 

 

 

 

 

 

 

 

4-88

C156-E227-01EN

Page 158
Image 158
Fujitsu MCM3064AP, MCM3130AP manual Multiword DMA data transfer timing parameters