SDCFJ-2048-388-03 SanDisk, SDCFJ-2048-388-03 Datasheet - Page 45
SDCFJ-2048-388-03
Manufacturer Part Number
SDCFJ-2048-388-03
Description
COMPACT FLASH 2GB
Manufacturer
SanDisk
Datasheet
1.SDCFH-1024-388.pdf
(108 pages)
Specifications of SDCFJ-2048-388-03
Memory Size
2GB
Memory Type
CompactFLASH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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© 2007 SanDisk Corporation
CHAPTER 4
4.1
SanDisk CompactFlash Memory cards can be configured as a high performance I/O device
through the following ways:
•
•
•
The communication to or from the card is done using the Task File registers, which provide all
the necessary registers for control and status information. The PCMCIA interface connects
peripherals to the host using four register mapping methods. Table 4-1 is a detailed description
of these methods.
Table 4-1
I/O Primary and Secondary Address Configurations
Table 3-2 contains configurations for primary and secondary I/O decoding.
Table 4-2
Config Index
-REG
0
0
0
0
0
0
0
0
0
0
Standard PC-AT disk I/O address spaces 1F0h-1F7h, 3F6h-3F7h (primary); 170h-177h,
376h-377h (secondary) with IRQ 14 (or other available IRQ).
Any system decoded 16-byte I/O block using any available IRQ.
Memory space.
0
1
2
2
3
3
1F(17)
1F(17)
1F(17)
1F(17)
1F(17)
1F(17)
1F(17)
1F(17)
3F(37)
3F(37)
A9-A4
ATA Register Set and Protocol
Standard I/O Configurations
Primary and Secondary I/O Decoding
I/O or Memory
Memory
I/O
I/O
I/O
I/O
I/O
A3
0
0
0
0
0
0
0
0
0
0
A2
0
0
0
0
1
1
1
1
1
1
0-F, 400-7FF
XX0-XXF
1F0-1F7, 3F6-3F7
1F0-1F7, 3F6-3F7
170-177, 376-377
170-177, 376-377
Address
A1
0
0
1
1
0
0
1
1
1
1
4-1
A0
0
1
0
1
0
1
0
1
0
1
Even RD Data
Error Register
Sector Count
Sector No.
Cylinder Low
Cylinder High
Select Card/Head
Status
Alt Status
Drive Address
Drive
0
0
0
1
0
1
-IORD=0
Memory Mapped
I/O Mapped 16 Contiguous
Registers
Primary I/O Mapped Drive 0
Primary I/O Mapped Drive 1
Secondary I/O Mapped Drive 0
Secondary I/O Mapped Drive 1
a
a,b
Description
Even WR Data
Features
Sector Count
Sector No.
Cylinder Low
Cylinder High
Select Card/Head
Command
Device Control
Reserved
Rev. 12.0, 02/07
-IOWR=0
a
a,b
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