Toshiba MK6017MAP User Manual

Page 47

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Copyright © 2000 Toshiba corporation. All rights reserved.

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ATA/ATAPI specifications

Transfer mode

MODE 0

MODE 1

MODE 2

MODE 3

MODE 4

Symbol

Meaning

Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.

t

CYC

Cycle time

112 73 54 39 25

t2

CYC

Two cycle time

230 154 115 86 57

t

DS

Data setup time

15 10 7 7 5

t

DH

Data hold time

5 5 5 5 5

t

DVS

Data valid hold time

70 48 30 20 6

t

DVH

Data valid hold time

6 6 6 6 6

t

FS

First STROBE time

0 230 0 200 0 170 0 130 0 120

t

LI

Limit interlock time

0 150 0 150 0 150 0 100 0 100

t

MLI

Interlock time min.

20 20 20 20 20

t

UI

Unlimited interlock

0 0 0 0 0

t

AZ

Allowed to release

10 10 10 10 10

t

ZAH

Delay time

20 20 20 20 20

t

ZAD

Delay time

0 0 0 0 0

t

ENV

Envelope time

20 70 20 70 20 70 20 55 20 55

t

SR

Strobe to DMARDY

50 30 20 NA NA

t

RFS

Ready to final Strobe

75 70 60 60 60

t

RP

Ready to pause

160 125 100 100 100

t

IORDYZ

Pullup before IORDY

20 20 20 20 20

t

ZIORDY

Wait before IORDY

0 0 0 0 0

t

ACK

Setup hold for DACK

20 20 20 20 20

t

SS

Strobe to DREQ/Stop

50 50 50 50




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