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Interface
5-2 C141-E262
5.1 Physical Interface
5.1.1 Interface signals
Figure 5.1 shows the interface signals.
+5VDC
TX data
RX data
ComWake
ComInit
TX data
RX data
ComWake
ComReset
TX+
TX−
TX+
TX
−
RX+
RX+
RX−
RX
−
Host
analog
front
end
Device
analog
front
end
GND
Figure 5.1 Interface signals
An explanation of each signal is provided below.
TX + / TX -
These signals are the outbound high speed differential signals that are
connected to the serial ATA cable.
RX + / RX -
These signals are the inbound high speed differential signals that are
connected to the serial ATA cable.
TxData
Serially encoded 10b data attached to the high speed serial differential line
driver