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DOM40MV128 Datasheet(PDF) 9 Page - Hanbit Electronics Co.,Ltd |
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DOM40MV128 Datasheet(HTML) 9 Page - Hanbit Electronics Co.,Ltd |
9 / 13 page HANBit HFDOM40MVxxx URL:www.hbe.co.kr 9 / 9 HANBit Electronics Co., Ltd. Rev. 1.0 (January. 2004) 4. CONFIGURATION OPTION REGISTER Overview ATA register set definitions (1) . Error Register (2) . Device/Head Register (3) . Status & Alternate Status Register (4) . Device Control Register (5) . Card Address Register (6) . Data Register (7) . Feature Register (8) . Sector Count Register (9) . Sector Number Register (10) . Cylinder low register (11) . Cylinder high register PCMCIA Register Set Definitions (1) . PCMCIA Configuration Option Register (2) . PCMCIA Configuration and Status Register (3) . PCMCIA pin Replacement Register (4) . PCMCIA Socket and Copy Register ATA Register Set Definitions: Error Register This register contains additional information about the source of an error when an error is indicated in bit 0 of the Status register. The bits are defined as follows: D7 D6 D5 D4 D3 D2 D1 D0 BBK UNC 0 IDNF 0 ABRT 0 AMNF This register is also accessed on data bits D15-D8 during a write operation to offset 0 with -CE2 low and -CE1 high. Bit 7 (BBK): This bit is set when a Bad Block is detected. Bit 6 (UNC): This bit is set when an Uncorrectable Error is encountered. Bit 5: This bit is 0. Bit 4 (IDNF): The requested sector ID is in error or cannot be found. Bit 3: This bit is 0. Bit 2 (Abort): This bit is set if the command has been aborted because of a CompactFlash Storage Card status condition: (Not Ready, Write Fault, etc.) or when an invalid command has been issued. Bit 1 This bit is 0. Bit 0 (AMNF) This bit is set in case of a general error. Device/Head Register 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. The bits are defined as follows: D7 D6 D5 D4 D3 D2 D1 D0 1 LBA 1 DRV HS3 HS2 HS1 HS0 Bit 7: This bit is set to 1. 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. |
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