Power-On And Comreset; Figure 5.20 Power-On Sequence - Fujitsu MHY2250BH Product/Maintenance Manual

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5.5 Power-on and COMRESET

Figure 5.20 shows the power-on sequence, and Figure 5.21 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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