SanDisk CompactFlash 5000 Instrukcja Obsługi Strona 35
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SanDisk Industrial Grade CompactFlash 5000 Product Manual
© 2007 SanDisk® Corporation 28 July 2007
implementation may lengthen either or both t2 or t2i to ensure that t0 is
equal to or greater than the value reported in the devices IDENTIFY
DEVICE data. A device implementation shall support any legal host
implementation.
b This parameter specifies the time from the negation edge of /IORD to the
time that the data bus is no longer driven by the device (tri-state).
3.4 Card Configuration
SanDisk CompactFlash Memory cards are identified by appropriate information
in the Card Information Structure (CIS). The configuration registers are used
to coordinate the I/O spaces and the interrupt level of cards that are located in
the system.
In addition, these registers provide a method for accessing status information
about the card that may be used to arbitrate between multiple interrupt
sources on the same interrupt level, or to replace status information that
appears on dedicated pins in memory cards that have alternate use in I/O
cards.
Table 23: Registers and Memory Space Decoding
-
CE2
1
-
CE1
1
-
REG
X
-
OE
X
-
WE
X
A10
X
A9
X
A8A4
XX
A3
X
A2
X
A1
X
A0
X
Selected Space
Standby
X 0 0 0 1 X 1 XX X X X 0
Configuration Registers
Read
1 0 1 0 1 X X XX X X X X
Common Memory
Read (8-bit D7-D0)
0 1 1 0 1 X X XX X X X X
Common Memory
Read (8-bit D15-D8)
0 0 1 0 1 X X XX X X X 0
Common Memory
Read (16-bit D15-D0)
X 0 0 1 0 X 1 XX X X X 0
Configuration Registers
Write
1 0 1 1 0 X X XX X X X X
Common Memory
Write (8bit D7-D0)
0 1 1 1 0 X X XX X X X X
Common Memory
Write (8bit D15-D8)
0 0 1 1 0 X X XX X X X 0
Common Memory
Write (16-bit D15-D0)
X 0 0 0 1 0 0 XX X X X 0
Card Info Structure
Read
1 0 0 1 0 0 0 XX X X X 0
Invalid Access (CIS
Write)
1 0 0 0 1 X X XX X X X 1
Invalid Access (Odd
Attribute Read)
1 0 0 1 0 X X XX X X X 1
Invalid Access (Odd
Attribute Write)
0 1 0 0 1 X X XX X X X X
Invalid Access (Odd
Attribute Read)
0 1 0 1 0 X X XX X X X X
Invalid Access (Odd
Attribute Write)
Note: The location of the card configuration registers should always be read
from the CIS since these locations may vary in future products. No
writes should be performed to the card attribute memory, except to the
- SanDisk Industrial Grade 1
- CompactFlash 5000 1
- Table of Contents 2
- List of Tables 5
- Introduction 8
- Features 9
- CompactFlash Standard 10
- PCMCIA Standard 10
- Related Documentation 10
- Functional Description 10
- Technology Independence 11
- Defect and Error Management 11
- Bad Block Management 12
- Automatic Sleep Mode 12
- Power Supply Requirements 12
- Wear Leveling 12
- Product Specifications 14
- System Power Requirements 15
- System Performance 15
- System Reliability 16
- Physical Specifications 16
- Regulatory Compliance 17
- Traceability 17
- Interface Description 18
- Electrical Description 20
- Table 10: Signal Description 21
- Electrical Specification 24
- Output Drive Characteristics 25
- Power Up/Down Timing 26
- Common Memory Read Timing 27
- Table 16 (continued) 28
- Memory Timing Diagrams 29
- I/O Read Timing Diagram 30
- True IDE Mode 32
- Card Configuration 35
- Attribute Memory Function 36
- Attribute Memory function 37
- Attribute Memory) 38
- 202h in Attribute Memory) 39
- Memory) 40
- I/O Transfer Function 41
- Configurations 43
- Memory Mapped Addressing 45
- True IDE Mode Addressing 46
- ATA Registers 46
- Read Only) 47
- Device Control Register 50
- Offset Fh) 50
- ATA Command Description 52
- Check Power Mode–98H, E5H 53
- Erase Sector(s)–C0H 54
- Format Track–50H 55
- Identify Device–ECH 55
- Idle–97H, E3H 63
- Idle Immediate–95H, E1H 63
- Read Buffer–E4H 64
- Read DMA Command–C8H, C9H 64
- Read Multiple–C4H 65
- Read Long Sector–22H, 23H 66
- Read Sector(s)–20H, 21H 66
- Recalibrate–1XH 67
- Request Sense–03H 67
- Seek–7XH 68
- Set Features–EFH 69
- Set Multiple Mode–C6H 70
- Set Sleep Mode–99H, E6H 70
- Standby–96H, E2H 71
- Standby Immediate–94H, E0H 71
- Translate Sector–87H 72
- Wear Level–F5H 72
- Write Buffer–E8H 73
- Write DMA Command–CAH, CBH 73
- Write Long Sector–32H, 33H 73
- Write Multiple Command–C5H 74
- Write Sector(s)–30H, 31H 75
- Write Verify Sector(s)–3CH 76
- Error Posting 77
- CIS Description 78
- I. Warranty Statement 95
- II. General Provisions 95
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