360014937

10.4.4 Single Word DMA Read Timing

tO

DMARQ

tC

-DMACK

tI

-DIOR

tD

DD15∼ DD0

tJ

tEtS

tF

ATA-2 SPECIFICATION

 

Transfer mode

MODE 0

 

MODE 1

 

MODE 2

 

Symbol

Meaning

Min.

Max.

Min.

Max.

Min.

Max.

t0

Cycle time

960

 

480

 

240

 

tC

DMACK to DMARQ delay

 

200

 

100

 

80

tD

-DIOR 16-bit

480

 

240

 

120

 

tE

-DIOR data access

 

250

 

150

 

60

tF

-DIOR data hold

5

5

5

 

 

 

tI

DMACK to -DIOR setup

0

0

0

 

 

 

tJ

-DIOR to DMACK hold

0

0

0

 

 

 

tS

-DIOR setup

tD-tE

tD-tE

tD-tE

 

 

 

Copyright ©2000 Toshiba corporation. All rights reserved.

- 536 -

Page 36
Image 36
Toshiba MK6017MAP manual Single Word DMA Read Timing, ATA-2 Specification