THNCF008MAA Datasheet, PDF (37/52 Pages) Toshiba Semiconductor – CompactFlash Card

Preliminary version
THNCFxxxMAA Series
Sector Transfer Protocol
1.Sector read: sector read 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 “2φH” in Command register
(2)set read sector command
N
“51H”?
Y
Read the status register
N
“58H”?
Y
Read 256 times the data register
(512 bytes)
(3)Polling until ready
(4)Burst data transfer
error handle
Get all data?
Y
Wait the command input
N (5)Read more sectors?
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