5.3 Host Commands
At command issuance (I-O register contents)
1F7h(CM) | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 |
1F6h(DH) | × | × | × | DV | xx |
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1F5h(CH) | xx |
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1F4h(CL) | xx |
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1F3h(SN) | xx |
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1F2h(SC) | xx |
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1F1h(FR) | xx |
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At command completion |
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1F7h(ST) | Status information |
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1F6h(DH) | × | × | × | DV | xx |
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1F5h(CH) | xx |
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1F4h(CL) | xx |
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1F3h(SN) | xx |
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1F2h(SC) | xx |
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1F1h(ER) | Error information |
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5.3.3 Error posting
Table 5.7 lists the defined errors that are valid for each command.
Table 5.13 Command code and parameters (1 of 2)
Command name |
| Error register (X’1F1’) |
| Status register (X’1F7’) | ||||
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| BBK | UNC | INDF | ABRT | TK0NF | DRDY | DWF | ERR |
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READ SECTOR(S) | V | V | V | V |
| V | V | V |
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WRITE SECTOR(S) | V |
| V | V |
| V | V | V |
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READ MULTIPLE | V | V | V | V |
| V | V | V |
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WRITE MULTIPLE | V |
| V | V |
| V | V | V |
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READ DMA | V | V | V | V |
| V | V | V |
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WRITE DMA | V |
| V | V |
| V | V | V |
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WRITE VERIFY | V | V | V | V |
| V | V | V |
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READ VERIFY SECTOR(S) | V | V | V | V |
| V | V | V |
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V:Valid on this command
*: | See the command descriptioms. |