Fujitsu MHY2040BS, MHY2160BS, MHY2200BS, MHY2120BS, MHY2080BS Physical Interface, Interface signals

Interface

5.1 Physical Interface

5.1.1 Interface signals

Figure 5.1 shows the interface signals.

TX data		TX+	TX+		TX data
		−	TX−
		TX
RX data		RX+	RX+	Device	RX data
	Host
				analog
	analog
				front
	front
		−	−	end
ComWake	end	RX	RX		ComWake
ComInit			+5VDC		ComReset
			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

5-2 C141-E269