5.5
5.5 Power-on and COMRESET
Figure 5.17 shows the power-on sequence, and Figure 5.18 shows the COMRESET sequence.
Immediately after power-on or COMRESET, the host sets 0x7Fh in the Status field of the Shadow Block Register and 0xFFh in other fields. After the power-on sequence shown below and after communication with the SATA interface is established, the host sets 0xFFh in the Status field of the Shadow Block Register. The device completes the power-on sequence within 10 ms so that communication with the SATA interface can be established.
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| power | releases |
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| on | ComWake |
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| ComReset |
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power | releases | Host | ||||
calibrate | ||||||
off | ComReset | ComWake | data | |||
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Host TX |
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(Device |
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RX) |
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Device |
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TX (Host |
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RX) |
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| Device | Device |
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| ComInit |
| Calibrate | Align | ||
| power |
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| off | Device | Device | Device | Device | |
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| releases | ComWake | data | ||
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| on |
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