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THNCF008MBA Datasheet, PDF (31/48 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
Sector Transfer Protocol
1. Sector read: Sector read procedure after the card configured I/O interface is shown as follows.
N
â51hâ?
Y
error handle
start
Set the cylinder low/high register
Set the head No. of drive head register
Set the sector number register
Set in sector count register
Set â20hâ in command register
Read the status register
N
â58hâ?
Y
Read 256 times the data register
(512 bytes)
N
Get all data
Y
Wait the command input
I/O Access, INDEX=1
(1) Set the logical sector number
(2) Set read sector command
(3) Polling until ready
(4) Burst data transfer
(5) Read more sectors?
A0~A10
âCE1
âCE2
âIOWR
âIORD
D0~D15
âIREQ
(1)
(2)
4H 5H 6H 3H 2H 7H
(3)
7H 7H
(4)
0H
0H
(5)
7H 7H
01H 20H D0Hâ58H (Data transfer)
D0Hâ50H
2002-10-20 31/48
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