SDCFJ-256-388-03 SanDisk, SDCFJ-256-388-03 Datasheet - Page 69
SDCFJ-256-388-03
Manufacturer Part Number
SDCFJ-256-388-03
Description
COMPACT FLASH 256MB
Manufacturer
SanDisk
Type
CompactFlashr
Specifications of SDCFJ-256-388-03
Memory Size
256MB
Memory Type
CompactFLASH
Density
256MByte
Operating Supply Voltage (typ)
3.3/5V
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Package Type
CF
Mounting
Socket
Pin Count
50
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
3.135/4.5V
Operating Supply Voltage (max)
3.465/5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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© 2007 SanDisk Corporation
SanDisk CompactFlash Card OEM Product Manual
5.1.9
5.1.10
Read Buffer–E4H
The Read Buffer command enables the host to read the current contents of the card's sector
buffer. This command has the same protocol as the Read Sector(s) command.
Table 5-16
Read DMA Command–C8H, C9H
The Read DMA command in Table 5-17 executes in a similar manner to the READ
SECTOR(S) command except for the following:
•
•
•
During the DMA transfer phase of a Read DMA command, the device provides status of the
BSY bit or the DRQ bit until the command is completed.
Table 5-17
The host initializes the DMA channel prior to issuing the command.
Data transfers are qualified by DMARQ and are performed by the DMA channel.
The device issues only one interrupt per command to indicate that data transfer has termi
nated and status is available.
Command (7)
Command (7)
Sec Num (3)
Sec Num (3)
Cyl High (5)
Cyl High (5)
Cyl Low (4)
Cyl Low (4)
Sec Cnt (2)
Sec Cnt (2)
Feature (1)
Feature (1)
C/D/H (6)
C/D/H (6)
Bit
Bit
Read Buffer
Read DMA Command
7
7
1
LBA
X
6
6
5-15
5
5
1
Cylinder High (LBA 23-16)
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
Drive
Drive
Sector Count
C8H or C9H
4
4
E4H
X
X
X
X
X
X
3
3
Head (LBA 27-24)
ATA Command Description
2
2
X
Rev. 12.0, 02/07
1
1
0
0
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