Altera UG-01080 Betriebsanweisung Seite 46

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Seitenansicht 45
3–24 Chapter 3: 10GBASE-R PHY IP Core
TimeQuest Timing Constraints
Altera Transceiver PHY IP Core November 2012 Altera Corporation
User Guide
1 This .sdc file is only applicable to the 10GBASE-R PHY IP Core when compiled in
isolation. You can use it as a reference to help in creating your own .sdc file.
1 For Arria V and Stratix V devices, timing constraints are built into the HDL code.
Synopsys Design Constraints for Clocks (Continued)
# Set Clock Groups
#**************************************************************
set_clock_groups -exclusive -group phy_mgmt_clk -group xgmii_tx_clk -group [get_clocks
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}] -group [get_clocks
{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}] -group [get_clocks
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]}]
##**************************************************************
# Set False Path
#**************************************************************
set_false_path -from {*siv_10gbaser_xcvr*clk_reset_ctrl|rx_pma_rstn} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
set_false_path -from {*siv_10gbaser_xcvr*clk_reset_ctrl|rx_usr_rstn} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
set_false_path -from {*siv_10gbaser_xcvr*clk_reset_ctrl|tx_pma_rstn} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
set_false_path -from {*siv_10gbaser_xcvr*clk_reset_ctrl|tx_usr_rstn} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
set_false_path -from {*siv_10gbaser_xcvr*rx_analog_rst_lego|rinit} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
set_false_path -from {*siv_10gbaser_xcvr*rx_digital_rst_lego|rinit} -to [get_clocks
{{*siv_alt_pma|pma_ch*.pma_direct|receive_pcs*|clkout}
{*siv_alt_pma|pma_ch*.pma_direct|transmit_pcs*|clkout}
{*pll_siv_xgmii_clk|altpll_component|auto_generated|pll1|clk[0]} phy_mgmt_clk
xgmii_tx_clk}]
#**************************************************************
# Set Multicycle Paths
#**************************************************************
**************************************************************
# Set Maximum Delay
#**************************************************************
#**************************************************************
# Set Minimum Delay
#**************************************************************
#**************************************************************
# Set Input Transition
#**************************************************************
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