thncf032mbai TOSHIBA Semiconductor CORPORATION, thncf032mbai Datasheet - Page 32

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

2. Sector write: write sector procedure after the card configured I/O interface is shown as follows.
D0~D15
A0~A10
−IOWR
−IORD
−IREQ
−CE1
−CE2
“51h”?
N
Y
Error handle
4H
5H
“51h”?
Y
6H
(1)
3H
01H 30H
2H
N
Set the head No. of drive head register
7H
(2)
N
Read 256 times the data register
N
Set the cylinder low/high register
Set the sector number register
Set “30h
Preliminary
D0H→58H (Data transfer)
Set in sector count register
Read the status register
Read the status register
Wait the command input
7H
”
(512 bytes)
in command register
all data
“58h”?
“50h”?
(3)
start
Y
7H
Y
Y
0H
THNCFxxxMBA/BAI Series
N
(4)
0H
(1) Set the logical sector number
(2) Set write sector command
(3) Polling until ready
(4) Burst data transfer
(5) Read the Status Register
I/O Access, INDEX=1
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D0H→50H
7H
(5)
7H