參數(shù)資料
型號: 7P128ATA2003C25
英文描述: Flash Memory Card(128M位閃速存儲器卡)
中文描述: 閃存卡(128兆位閃速存儲器卡)
文件頁數(shù): 44/66頁
文件大?。?/td> 585K
代理商: 7P128ATA2003C25
7PxxxATA20xxC25
June 2000 Rev. 5 – ECO #12935
44
White Electronic Designs Corporation
(508) 366-5151
2.
Sector write: 1 sector write procedure after the card configured I/O interface is shown as follows.
(1) Set the logical sector number
(2)
(4) Burst data transfer
(3)
(5)
Set the cylinder low / high register
Set the head No. of drive head register
Set the sector number register
Set “01H” in sector count register
Set “30H” in command register
Write 256 times the data (512 bytes)
Read Status register
Wait the command input
Start
Read Status register
58H
50H
I/O Access index = 1
(1)
(2)
(3)
(4)
(5)
A0 to A10
-CE1
-CE2
-IOWR
-IORD
D0 to D15
-IREQ
01H30H 80H 58H (data Transfer) 80H 50H
4H 5H 6H 3H 2H 7H 7H 7H 0H 0H 7H 7H
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