参数资料
型号: THNCF256MBAI
厂商: Toshiba Corporation
英文描述: The THNCFxxxMBA/BAI series CompactFlash card is a flash technology based with ATA interface flash memory card.
中文描述: 在THNCFxxxMBA /白系列CF卡是闪存技术,ATA接口的闪存卡的。
文件页数: 25/48页
文件大小: 526K
代理商: THNCF256MBAI
THNCFxxxMBA/BAI Series
2002-10-20
31/48
Preliminary
Sector Transfer Protocol
1. Sector read:
Sector read procedure after the card configured I/O interface is shown as follows.
(4) Burst data transfer
N
(5) Read more sectors?
(3) Polling until ready
N
Y
N
I/O Access, INDEX=1
(2) Set read sector command
(1) Set the logical sector number
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 “20h
in command register
Read the status register
Read 256 times the data register
(512 bytes)
“58h”?
“51h”?
Get all data
Wait the command input
error handle
Y
IOWR
D0~D15
IORD
IREQ
CE1
A0~A10
CE2
3H
7H
2H
0H
5H
4H
6H
7H
0H
7H
(4)
(5)
(2)
(1)
(3)
01H 20H
D0H
→58H (Data transfer)
D0H
→50H
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