At command completion (I/O registers contents to be read)
1F7H(ST) |
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| Status information | |||
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1F6H(DH) | × | L | × |
| DV | End head No. /LBA [MSB] | |
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1F5H(CH) |
| End cylinder No. [MSB] / LBA | |||||
1F4H(CL) |
| End cylinder No. [LSB] | / LBA | ||||
1F3H(SN) |
| End sector No. | / LBA [LSB] | ||||
1F2H(SC) |
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| 00 (*1) |
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1F1H(ER) |
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| Error information | |||
*1 If the command is terminated due to an error, the remaining number of sectors of which data was not transferred is set in this register.
(9)RECALIBRATE (X'1x', x: X'0' to X'F')
This command performs the rezero. Upon receipt of this command, the device sets BSY bit of the Status register and performs a rezero. When the device completes the rezero, the device updates the Status register, clears the BSY bit, and generates an interrupt.
This command can be issued in the LBA mode.
At command issuance (I/O registers setting contents)
1F7H(CM) | 0 | 0 | 0 | 1 |
| x | x | x | x |
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1F6H(DH) | × | × | × | DV |
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| xx |
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1F5H(CH) |
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| xx |
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1F4H(CL) |
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| xx |
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1F3H(SN) |
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| xx |
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1F2H(SC) |
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| xx |
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1F1H(FR) |
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| xx |
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At command completion (I/O registers contents to be read)
1F7H(ST) |
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| Status information |
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1F6H(DH) | × | × | × |
| DV |
| xx |
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1F5H(CH) |
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| xx |
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1F4H(CL) |
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| xx |
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1F3H(SN) |
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| xx |
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1F2H(SC) |
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| xx |
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1F1H(ER) |
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| Error information |
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