ATA33 White Electronic Designs Corporation, ATA33 Datasheet - Page 16

• Manufacturer Part Number: ATA33
• Description: Density = 16MB-1GB (2GB) ;; Memory Device = Sandisk Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5
• Manufacturer: White Electronic Designs Corporation

PC Card Products
Sector Transfer Protocol
1. Sector read: 1 sector read procedure after the card configured I/O interface is shown as follows.
A0 to A10
D0 to D15
October 2001
-IOWR
Set the head No. of drive head register
-IORD
-IREQ
-CE1
-CE2
Read 256 times the data (512 bytes)
Set the cylinder low / high register
Set “01H” in sector count register
Set the sector number register
Set “20H” in command register
Wait the command input
Read Status register
Read Status register
4H 5H 6H 3H 2H 7H
Start
58H
50H
(1)
01H20H 80H
(2)
16
7H
(3)
(4) Burst data transfer
(2)
7H
58H (Transfer data)
(3)
(1) Set the logical sector number
(5)
0H
I/O Access index = 1
(4)
0H
ATA PCMCIA Card
80H
7H
(5)
50H
7H
ATA30 Series
ATA33 Series