ethernet_vhdl.ucf

千兆以太网控制器.可以调整FIFO,和传输速率,在码流层进行控制.

NET "clk"  LOC = "B14"  ; 

NET "phy_rst"     LOC="K1";
NET "board_reset"	LOC ="AA23" ;

##--------------GMII----------------
NET "gmii_rxd<0>"  LOC = "H1" ; 
NET "gmii_rxd<1>"  LOC = "K4" ; 
NET "gmii_rxd<2>"  LOC = "K5" ; 
NET "gmii_rxd<3>"  LOC = "H3" ; 
NET "gmii_rxd<4>"  LOC = "K7" ; 
NET "gmii_rxd<5>"  LOC = "L1" ; 
NET "gmii_rxd<6>"  LOC = "L4" ; 
NET "gmii_rxd<7>"  LOC = "L2" ;

NET "gmii_rx_clk"  LOC = "J5" ;
NET "gmii_rx_dv"   LOC = "L5" ;
#NET "gmii_rx_er"  LOC = "K6" ;

NET "gmii_txd<0>"		LOC = N1;
NET "gmii_txd<1>"		LOC = M5;
NET "gmii_txd<2>"		LOC = N4;
NET "gmii_txd<3>"		LOC = M2;
NET "gmii_txd<4>"		LOC = M1;
NET "gmii_txd<5>"		LOC = N8;
NET "gmii_txd<6>"		LOC = N7;
NET "gmii_txd<7>"		LOC = A3;

NET "gmii_tx_en"		LOC = N5;
NET "gmii_tx_er"		LOC = N3;
NET "gmii_tx_clk"	   LOC = "M3";