Table of Contents
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Table of Contents
1. Introduction to the CompactFlash Memory Card ..........................................................................................1-1
1.1. Scope...........................................................................................................................................1-2
1.2. System Features ...........................................................................................................................1-2
1.3. PCMCIA Standard.......................................................................................................................1-2
1.4. CompactFlash Specification .........................................................................................................1-3
1.5. Related Documentation ................................................................................................................1-3
1.6. Functional Description.................................................................................................................1-3
1.6.1. Technology Independence ..................................................................................................1-4
1.6.2. Defect and Error Management ...........................................................................................1-4
1.6.3. Wear Leveling....................................................................................................................1-4
1.6.4. Using the Erase Sector and Write without Erase Commands ..............................................1-4
1.6.5. Automatic Sleep Mode .......................................................................................................1-5
1.6.6. Dynamic Adjustment of Performance versus Power Consumption ......................................1-5
1.6.7. Power Supply Requirements...............................................................................................1-5
2. Product Specifications ..................................................................................................................................2-1
2.1. System Environmental Specifications...........................................................................................2-1
2.2. System Power Requirements ........................................................................................................2-1
2.3. System Performance.....................................................................................................................2-2
2.4. System Reliability........................................................................................................................2-2
2.5. Physical Specifications.................................................................................................................2-2
2.6. Capacity Specifications ................................................................................................................2-3
3. CompactFlash Memory Card Interface Description.......................................................................................3-1
3.1. Physical Description ....................................................................................................................3-1
3.1.1. Pin Assignments and Pin Type...........................................................................................3-1
3.2. Electrical Description ..................................................................................................................3-3
3.3. Electrical Specification ................................................................................................................3-6
3.3.1. Input Leakage Control........................................................................................................3-7
3.3.2. Input Characteristics ..........................................................................................................3-7
3.3.3. Output Drive Type .............................................................................................................3-7
3.3.4. Output Drive Characteristics ..............................................................................................3-8
3.3.5. Common Memory Read Timing .........................................................................................3-8
3.3.6. Common and Attribute Memory Write Timing...................................................................3-9
3.3.7. Attribute Memory Read Timing Specification ....................................................................3-10
3.3.8. Memory Timing Diagrams.................................................................................................3-10
3.3.9. I/O Read (Input) Timing Specification ...............................................................................3-12
3.3.10. I/O Write (Output) Timing Specification ..........................................................................3-14
3.3.11. True IDE Mode ................................................................................................................3-15
3.3.11.1. Deskewing.......................................................................................................3-15
3.3.11.2. Transfer Timing ..............................................................................................3-15
3.4. Card Configuration ......................................................................................................................3-18
3.4.1. Attribute Memory Function ................................................................................................3-19
3.4.2. Configuration Option Register (Address 200h in Attribute Memory)..................................3-20
3.4.3. Card Configuration and Status Register (Address 202h in Attribute Memory) ....................3-21
3.4.4. Pin Replacement Register (Address 204h in Attribute Memory) .........................................3-21
3.4.5. Socket and Copy Register (Address 206h in Attribute Memory...........................................3-22
3.5. I/O Transfer Function ..................................................................................................................3-22
3.5.1. I/O Function.......................................................................................................................3-23
®
CompactFlash
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION
iii
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