Hitachi DK23DA-30F Owners Manual - Page 35
Commands, 3.2.1 Command Summary
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6.3.2 Commands 6.3.2.1 Command Summary Commands are issued to the device first loading the Command Block Registers with any information needed for the command. Then a command code is written to the Command Register, which starts the execution of the command. Table 6.4 Command Codes Command Description Protoc Clas Code Parameter Setup ol s FR SC SN CY DH Read Commands Read Buffer PI 1 E4h D Read Sectors PI 1 20h, 21h V V V V Read Long PI 1 22h, 23h V V V V Read Multiple PI 1 C4h V V V V Read DMA DM 1 C8h, C9h V V V V Read Verify ND 1 40h, 41h V V V V Write Commands Write Buffer PO 2 E8h D Write Sectors PO 2 30h, 31h V V V V Write Long PO 2 32h, 33h V V V V Write Multiple PO 3 C5h V V V V Write DMA DM 3 CAh,CBh V V V V Format Track PO 2 50h V VV Flush Cache ND 1 E7h D Seek Commands Recalibrate ND 1 1Xh D Seek ND 1 7Xh V V V Mode Set/Check, Diagnostic Execute Device Diagnostic ND 1 90h D Initialize Device Parameters ND 1 91h V V Identify Device PI 1 ECh D Set Features ND 1 EFh V D Set Multiple Mode ND 1 C6h V D Power Control Check Power Mode ND 1 98h, E5h V D Idle ND 1 97h, E3h V D Idle Immediate ND 1 95h, E1h D Sleep ND 1 99h, E6h D Standby ND 1 96h, E2h V D Standby Immediate ND 1 94h, E0h D K6602705 Rev.3 08.20.01 - 35 -