THNCF008MBA Datasheet, PDF(32/48 Page) Toshiba Semiconductor – The THNCFxxxMBA/BAI series CompactFlash card is a flash technology based with ATA interface flash memory card.

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THNCF008MBA Datasheet, PDF (32/48 Pages) Toshiba Semiconductor – The THNCFxxxMBA/BAI series CompactFlash card is a flash technology based with ATA interface flash memory card.

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Preliminary

THNCFxxxMBA/BAI Series

2. Sector write: write sector procedure after the card configured I/O interface is shown as follows.

start

Set the cylinder low/high register

I/O Access, INDEX=1

Set the head No. of drive head register

Set the sector number register

(1) Set the logical sector number

Set in sector count register

Set â30hâ in command register

(2) Set write sector command

N

â51hâ?

Read the status register

N

â58hâ?

Y

Read 256 times the data register

(512 bytes)

(3) Polling until ready

(4) Burst data transfer

Y

â51hâ?

Y

Error handle

N

N

all data

Y

Read the status register

N

â50hâ?

Y

Wait the command input

(5) Read the Status Register

A0~A10

âCE1

âCE2

âIOWR

âIORD

D0~D15

âIREQ

(1)

(2)

4H 5H 6H 3H 2H 7H

(3)

7H 7H

(4)

0H

0H

01H 30H D0HË 58H (Data transfer)

(5)

7H 7H

D0Hâ50H

2002-10-20 32/48

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