Transcend Information CF 266X Read Buffer E4h, Read DMA C8h Read Long Sector 22h or 23h

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TS2G~8GCF266

266X CompactFlash Card

Read Buffer - E4h

The Read Buffer command enables the host to read the current contents of the CompactFlash Storage Card’s sector buffer. This command has the same protocol as the Read Sector(s) command.

Read DMA – C8h

Read Long Sector - 22h or 23h

Transcend Information Inc.

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Contents Placement Features Dimensions266X CompactFlash Card DescriptionTranscend Block Diagram Pin Assignments and Pin Type TS2G~8GCF266 Signal Description TS2G~8GCF266 TS2G~8GCF266 TS2G~8GCF266 TS2G~8GCF266 Electrical Specification „ Output Drive Type „ Output Drive Characteristics „ Signal Interface „ Additional Requirements for CF Advanced Timing Modes 266X CompactFlash Card „ Ultra DMA Electrical Requirements¾ Series termination required for Ultra DMA operation Table Typical Series Termination for Ultra DMA¾ Ultra DMA Mode Cabling Requirement „ Attribute Memory Read Timing Specification TS2G~8GCF266 „ Common Memory Read Timing Specification „ Common Memory Write Timing Specification „ I/O Input Read Timing Specification TS2G~8GCF266 „ I/O Output Write Timing Specification TS2G~8GCF266 „ True IDE PIO Mode Read/Write Timing Specification TS2G~8GCF266 „ True IDE Ultra DMA Mode Read/Write Timing Specification Table Ultra DMA Data Burst Timing266X CompactFlash Card TS2G~8GCF266 TS2G~8GCF266 TS2G~8GCF266 „ Multiple Function CF+ Cards Card Configuration„ Single Function CF+ Cards TS2G~8GCF266 „ Attribute Memory Function Attribute Memory FunctionTS2G~8GCF266 TS2G~8GCF266 „ Pin Replacement Register Base + 04h in Attribute Memory „ Socket and Copy Register Base + 06h in Attribute Memory Table Pcmcia Mode I/O Function Transfer FunctionCommon Memory Transfer Function Table Common Memory FunctionTrue IDE Mode I/O Transfer Function Metaformat Overview CF-ATA Drive Register Set Definition and Protocol „ I/O Primary and Secondary Address Configurations Table Primary and Secondary I/O Decoding„ Contiguous I/O Mapped Addressing Table Contiguous I/O Decoding„ True IDE Mode Addressing „ Memory Mapped Addressing„ CF-ATA Registers ¾ Data Register Address 1F0h170hOffset 0,8,9¾ Sector Count Register Address 1F2h172h Offset ¾ Sector Number LBA 7-0 Register Address 1F3h173h Offset¾ Cylinder High LBA 23-16 Register Address 1F5h175h Offset ¾ Drive/Head LBA 27-24 Register Address 1F6h176h OffsetTS2G~8GCF266 ¾ Device Control Register Address 3F6h376h Offset Eh ¾ Card Drive Address Register Address 3F7h377h Offset Fh CF-ATA Command Set „ Check Power Mode 98h or E5h „ Execute Drive Diagnostic 90h „ Erase Sectors C0h„ Flush Cache E7h „ Format Track 50h„ Identify Device Ech 266X CompactFlash Card ¾ Word 0 General Configuration ¾ Word 1 Default Number of Cylinders ¾ Word 3 Default Number of Heads¾ Word 6 Default Number of Sectors per Track ¾ Word 49 Capabilities Bit 13 Standby Timer¾ Multiple Sector Setting ¾ Total Sectors Addressable in LBA Mode¾ Translation Parameters Valid ¾ Current Number of Cylinders, Heads, Sectors/Track¾ Words 82-84 Features/command sets supported ¾ Word 65 Minimum Multiword DMA transfer cycle time¾ Recommended Multiword DMA transfer cycle time ¾ Word 68 Minimum PIO transfer cycle time with Iordy¾ Words 85-87 Features/command sets enabled ¾ Word 88 Ultra DMA Modes Supported and Selected ¾ Word 89 Time required for Security erase unit completion¾ Word 91 Advanced power management level value ¾ Word 160 Power Requirement Description¾ Word 128 Security Status Bit 8 Security Level Additional Requirements for CF Advanced Timing ModesTS2G~8GCF266 „ Idle 97h or E3h „ NOP 00h „ Idle Immediate 95h or E1h„ Initialize Drive Parameters 91h „ Read Buffer E4h „ Read DMA C8h „ Read Long Sector 22h or 23hTS2G~8GCF266 „ Recalibrate 1Xh „ Request Sense 03h „ Seek 7Xh „ Set Features EFh Feature Supported 266X CompactFlash Card „ Standby Immediate 94h or E0h „ Translate Sector 87h Translate Sector Information„ Wear Level F5h „ Write Buffer E8h „ Write DMA CAh TS2G~8GCF266 TS2G~8GCF266 „ Error Posting TS2G~8GCF266