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SST58LD048-70-C-P1H Datasheet(PDF) 19 Page - Silicon Storage Technology, Inc |
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SST58LD048-70-C-P1H Datasheet(HTML) 19 Page - Silicon Storage Technology, Inc |
19 / 40 page Data Sheet ATA-Disk Chip SST58SD008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 SST58LD008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 19 ©2001 Silicon Storage Technology, Inc. S71167-05-000 9/01 391 3.2 ATA-Disk Chip Command Description This section defines the software requirements and the format of the commands the host sends to the ADC. Commands are issued to the ADC by loading the required registers in the command block with the supplied parameters, and then writing the command code to the Command Register. The manner in which a command is accepted varies. There are three classes (see Table 3-2) of command acceptance, all dependent on the host not issuing commands unless the ADC is not busy (BSY=0). 3.2.1 ATA-Disk Chip Command Set Table 3-2 summarizes the ADC command set with the paragraphs that follow describing the individual commands and the task file for each. TABLE 3-2: ATA-DISK CHIP COMMAND SET Class Command Code FR1 1. FR - Features Register SC2 2. SC - Sector Count Register SN3 3. SN - Sector Number Register CY4 4. CY - Cylinder Registers DH5 5. DH - Drive/Head Register LBA6 6. LBA - Logical Block Address Mode Supported (see command descriptions for use) 1 Check Power Mode E5H or 98H - - - - D8 - 1 Execute Drive Diagnostic 90H - - - - D - 2 Format Track 50H - Y7 7. Y - The register contains a valid parameter for this command. -Y Y8 8. For the Drive/Head Register: Y means both the ADC and Head parameters are used; D means only the ADC parameter is valid and not the Head parameter. Y 1 Identify Drive ECH - - - - D - 1 Idle E3H or 97H - Y - - D - 1 Idle Immediate E1H or 95H - - - - D - 1 Initialize Drive Parameters 91H - Y - - Y - 1 Read Buffer E4H - - - - D - 1 Read Long Sector 22H or 23H - - Y Y Y Y 1 Read Multiple C4H - YYYY Y 1 Read Sector(s) 20H or 21H - YYYY Y 1 Read Verify Sector(s) 40H or 41H - YYYY Y 1 Recalibrate 1XH - - - - D - 1 Seek 7XH - - YYY Y 1 Set Features EFH Y - - - D - 1 Set Multiple Mode C6H - Y - - D - 1 Set Sleep Mode E6H or 99H - - - - D - 1 Stand By E2H or 96H - - - - D - 1 Stand By Immediate E0H or 94H - - - - D - 2 Write Buffer E8H - - - - D - 2 Write Long Sector 32H or 33H - - Y Y Y Y 3 Write Multiple C5H - YYYY Y 2 Write Sector(s) 30H or 31H - YYYY Y 3 Write Verify 3CH - YYYY Y T3-2.1 391 |
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