timing for ethernet clocks
Stefan Schuermans commited on 2012-02-21 21:39:56
Showing 1 changed files, with 4 additions and 3 deletions.
- constraints/eth.ucf 9bd0c98..fa87c85
| ... | ... |
@@ -1,5 +1,5 @@ |
| 1 | 1 |
NET "pin_o_eth_nrst" LOC = "D15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 4; |
| 2 |
-NET "pin_i_eth_rx_clk" LOC = "C12" | IOSTANDARD = LVCMOS33; |
|
| 2 |
+NET "pin_i_eth_rx_clk" LOC = "C12" | IOSTANDARD = LVCMOS33 | TNM_NET = pin_i_eth_rx_clk; |
|
| 3 | 3 |
NET "pin_i_eth_rxd[0]" LOC = "G7" | IOSTANDARD = LVCMOS33 | PULLUP; |
| 4 | 4 |
NET "pin_i_eth_rxd[1]" LOC = "G8" | IOSTANDARD = LVCMOS33 | PULLUP; |
| 5 | 5 |
NET "pin_i_eth_rxd[2]" LOC = "G9" | IOSTANDARD = LVCMOS33 | PULLUP; |
| ... | ... |
@@ -8,10 +8,11 @@ NET "pin_i_eth_rxd[4]" LOC = "G10" | IOSTANDARD = LVCMOS33; |
| 8 | 8 |
NET "pin_i_eth_rx_dv" LOC = "H10" | IOSTANDARD = LVCMOS33 ; |
| 9 | 9 |
NET "pin_i_eth_crs" LOC = "H12" | IOSTANDARD = LVCMOS33; |
| 10 | 10 |
NET "pin_i_eth_col" LOC = "G12" | IOSTANDARD = LVCMOS33 | PULLDOWN; |
| 11 |
-NET "pin_i_eth_tx_clk" LOC = "E11" | IOSTANDARD = LVCMOS33; |
|
| 11 |
+NET "pin_i_eth_tx_clk" LOC = "E11" | IOSTANDARD = LVCMOS33 | TNM_NET = pin_i_eth_tx_clk; |
|
| 12 | 12 |
NET "pin_o_eth_txd[0]" LOC = "F8" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 4; |
| 13 | 13 |
NET "pin_o_eth_txd[1]" LOC = "E7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 4; |
| 14 | 14 |
NET "pin_o_eth_txd[2]" LOC = "E6" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 4; |
| 15 | 15 |
NET "pin_o_eth_txd[3]" LOC = "F7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 4; |
| 16 | 16 |
NET "pin_o_eth_tx_en" LOC = "D8" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 4; |
| 17 |
- |
|
| 17 |
+TIMESPEC TS_pin_i_eth_rx_clk = PERIOD "pin_i_eth_rx_clk" 40 ns HIGH 50%; |
|
| 18 |
+TIMESPEC TS_pin_i_eth_tx_clk = PERIOD "pin_i_eth_tx_clk" 40 ns HIGH 50%; |
|
| 18 | 19 |