thncf032mbai TOSHIBA Semiconductor CORPORATION, thncf032mbai Datasheet - Page 31

• Manufacturer Part Number: thncf032mbai
• Description: Thncfxxxmba/bai Series Compactflash Card Flash Technology Based With Interface Flash Memory Card.
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Sector Transfer Protocol
1. Sector read: Sector read procedure after the card configured I/O interface is shown as follows.
D0~D15
A0~A10
−IOWR
−IORD
−IREQ
−CE1
−CE2
error handle
N
“51h”?
Y
4H
5H
6H
(1)
3H
Set the head No. of drive head register
N
Read 256 times the data register
Set the cylinder low/high register
Set the sector number register
Set “20h
2H
Set in sector count register
Read the status register
Wait the command input
01H 20H
(2)
7H
”
(512 bytes)
Get all data
in command register
Preliminary
“58h”?
start
Y
Y
D0H→58H (Data transfer)
7H
(3)
7H
0H
N
THNCFxxxMBA/BAI Series
(4)
(1) Set the logical sector number
(2) Set read sector command
(3) Polling until ready
(4) Burst data transfer
(5) Read more sectors?
0H
I/O Access, INDEX=1
D0H→50H
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7H
(5)
7H