THNCF256MDGI Toshiba, THNCF256MDGI Datasheet - Page 31

• Manufacturer Part Number: THNCF256MDGI
• Description: MEMORY CARD COMPACT FLASH 256MB
• Manufacturer: Toshiba

Specifications of THNCF256MDGI

• Memory Size: 256MB
• 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)
3H
Set the head No. of drive head register
N
Read 256 times the data register
Set the cylinder low/high register
Set the sector number register
Set “20h
2H
Set in sector count register
Read the status register
Wait the command input
01H 20H
(2)
7H
”
(512 bytes)
Get all data
in command register
“58h”?
start
TENTATIVE
Y
Y
D0H→58H (Data transfer)
7H
(3)
7H
0H
N
(4)
THNCFxxxxDGI Series
(1) Set the logical sector number
(2) Set read sector command
(3) Polling until ready
(4) Burst data transfer
(5) Read more sectors?
0H
µ
s, so if host handle step (3) by
I/O Access, INDEX=1
D0H→50H
7H
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(5)
7H