Fujitsu MHY2120BS, MHY2160BS, MHY2200BS, MHY2040BS manual Reset and Diagnosis, Response to power-on

Operations

6.1 Reset and Diagnosis

This section explains the device responses to power-on and an accepted reset.

6.1.1 Response to power-on

Immediately after power is turned on, the host sets 0x7Fh in the Status field of the Shadow Block and 0xFFh in other fields. After communication with the SATA interface is established, the host sets 0xFFh in the Status field of the Shadow Block. The device establishes communication with the SATA interface (PHY Ready) within 10 ms. The device sends the FIS (STS = 50h) to notify the host that the device is ready.

Note: Figure 6.1 assumes that power is turned on after the power-off state continued for more than five seconds.

Figure 6.1 Response to power-on (when the host is powered on earlier than the device)

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