Fujitsu MHZ2160BJ User Manual

Page of 320
Interface 
 
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 
5-2 
C141-E280