Transcend Information CF 266X dimensions ¾ Sector Count Register Address 1F2h172h Offset

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TS2G~8GCF266

266X CompactFlash Card

¾Feature Register (Address - 1F1h[171h]; Offset 1, 0Dh Write Only)

This register provides information regarding features of the CompactFlash Storage Card that the host can utilize. This register is also accessed in PC Card modes on data bits D15-D8 during a write operation to Offset 0 with -CE2 low and -CE1 high.

¾Sector Count Register (Address - 1F2h[172h]; Offset 2)

This register contains the numbers of sectors of data requested to be transferred on a read or write operation between the host and the CompactFlash Storage Card. If the value in this register is zero, a count of 256 sectors is specified. If the command was successful, this register is zero at command completion. If not successfully completed, the register contains the number of sectors that need to be transferred in order to complete the request.

¾Sector Number (LBA 7-0) Register (Address - 1F3h[173h]; Offset 3)

This register contains the starting sector number or bits 7-0 of the Logical Block Address (LBA) for any CompactFlash Storage Card data access for the subsequent command.

¾6.1.5.5 Cylinder Low (LBA 15-8) Register (Address - 1F4h[174h]; Offset 4)

This register contains the low order 8 bits of the starting cylinder address or bits 15-8 of the Logical Block Address.

¾Cylinder High (LBA 23-16) Register (Address - 1F5h[175h]; Offset 5)

This register contains the high order bits of the starting cylinder address or bits 23-16 of the Logical Block Address.

¾Drive/Head (LBA 27-24) Register (Address 1F6h[176h]; Offset 6)

The Drive/Head register is used to select the drive and head. It is also used to select LBA addressing instead of cylinder/head/sector addressing.

Bit 7: this bit is specified as 1 for backward compatibility reasons. It is intended that this bit will become obsolete in a future revision of the specification. This bit is ignored by some controllers in some commands.

Bit 6: LBA is a flag to select either Cylinder/Head/Sector (CHS) or Logical Block Address Mode (LBA). When LBA=0, Cylinder/Head/Sector mode is selected. When LBA=1, Logical Block Address is selected. In Logical Block Mode, the Logical Block Address is interpreted as follows:

LBA7-LBA0: Sector Number Register D7-D0.

LBA15-LBA8: Cylinder Low Register D7-D0.

LBA23-LBA16: Cylinder High Register D7-D0.

LBA27-LBA24: Drive/Head Register bits HS3-HS0.

Bit 5: this bit is specified as 1 for backward compatibility reasons. It is intended that this bit will become obsolete in a future revisions of the specification. This bit is ignored by some controllers in some commands.

Bit 4 (DRV): DRV is the drive number. When DRV=0, drive (card) 0 is selected. When DRV=1, drive (card) 1 is selected. Setting this bit to 1 is obsolete in PCMCIA modes of operation. If the obsolete functionality is support by a CF Storage Card, the CompactFlash Storage Card is set to be Card 0 or 1 using the copy field (Drive #) of the PCMCIA Socket & Copy configuration register.

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 Card Configuration „ Single Function CF+ Cards„ Multiple 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 „ Idle Immediate 95h or E1h „ Initialize Drive Parameters 91h„ NOP 00h „ 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
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