SanDisk SDCFH-004G Product Manual - Page 56

ATA Command Description SanDisk CompactFlash Card OEM Product Manual Table 5-1 Primary and Secondary I/O Decoding Class 1 1 1 1 1 1 2 2 2 3 3 2 2 2 Command Set Multiple Mode Set Sleep Mode Stand By Stand By Immediate Translate Sectorb Wear Levelb Write Buffer Write DMA Write Long Sector Write Multiple Write Multiple w/o Erasea Write Sector(s) Write Sector(s) w/o Erasea Write Verify Code FR SC SN CY DH LBA C6h -Y - - D - E6h or 99h - - - - D - E2h or 96h - - - - D - E0h or 94h - - - - D - 87h - YYYY Y F5h - - - - Y - E8h - - - - D - CA or CB - YYYY Y 32h or 33h - - YY Y Y C5h - YYYY Y CDh - YYYY Y 30h or 31h - Y Y Y Y Y 38h - YYYY Y 3Ch - YYYY Y a. These commands are not standard PC Card ATA commands and these features are no longer sup­ ported with the introduction of 256 Mbit Flash Technology. If one of these commands is issued, the sectors will be erased but there will be no net gain in write performance when using the Write Without Erase command. b. These commands are not standard PC Card ATA commands but provide additional functionality. ABBREVIATION KEY FR Features Register SC Sector Count Register SN Sector Number Register CY Cylinder Registers DH Card/Drive/Head Register LBA Logical Block Address Mode Supported Y The register contains a valid parameter for this command. For the Drive/Head Register, both the CompactFlash Card and head parameters are used D The register contains a valid parameter for this command. For the Drive/Head Register, only the CompactFlash Card parameter is valid and not the head parameter 5.1.1 Check Power Mode-98H, E5H This command checks the power mode. If the CompactFlash Card is in, going to, or recovering from the sleep mode, it sets BSY, sets the Sector Count Register to 00h, clears BSY and generates an interrupt. 02/07, Rev. 12.0 5-2 © 2007 SanDisk Corporation