Figure 14: mSATA block diagram
The mSATA pin-out features an activity indication output (pin49). This output indicates the activity
of the SATA device controller similar to the SATA1_ACT# output of the Apalis module. Both signals
are designed to drive an indication LED. As the output of the mSATA card is not mandatory, it is
recommended that the SATA1_ACT# output of the Apalis module is used instead.
Pin 51 of the mSATA connector can be used to detect whether an mSATA card is present. This
signal could be used for switching the SATA/PCIe signal in mSATA/Mini PCIe Card dual design.
The mSATA does not make use of the SMB interface. Therefore, the I2C1 interface does not needs
to be connected to the mSATA connector.
Figure 15: mSATA reference schematic
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