THNCF512MDG Toshiba, THNCF512MDG Datasheet - Page 30

• Manufacturer Part Number: THNCF512MDG
• Description: MEMORY CARD COMPACT FLASH 512MB
• Manufacturer: Toshiba

Specifications of THNCF512MDG

• Memory Size: 512MB
• Memory Type: CompactFLASH
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
Note:
error handle
“51h”?
N
Y
If sector count is not equal to 1, the busy time (status is “DXH”) maybe only 1
polling status “DXH” then polling status “58H”, it could be generated “time out error” because it can not get
status “DXH”.
4H
5H
6H
(1)
Set the head No. of drive head register
3H
N
Set the cylinder low/high register
Read 256 times the data register
Set the sector number register
Set “20h” in command register
Set in sector count register
2H
Read the status register
Wait the command input
01H 20H
(2)
7H
(512 bytes)
Get all data
“58h”?
start
TENTATIVE
Y
Y
D0H→58H (Data transfer)
7H
(3)
7H
0H
N
(4)
(1) Set the logical sector number
(2) Set read sector command
(3) Polling until ready
(4) Burst data transfer
(5) Read more sectors?
THNCFxxxxDG Series
0H
µ
s, so if host handle step (3) by
I/O Access, INDEX=1
D0H→50H
2004-05-18 30/44
7H
(5)
7H