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LMS7002_timing.sdc
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LMS7002_timing.sdc
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# ----------------------------------------------------------------------------
# FILE: Clock_groups.vhd
# DESCRIPTION: Clock group assigments for TimeQuest
# DATE: June 2, 2017
# AUTHOR(s): Lime Microsystems
# REVISIONS:
# ----------------------------------------------------------------------------
# NOTES:
#
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
#Timing parameters
# ----------------------------------------------------------------------------
#LMS7002
#LMS_MCLK2 period
set LMS_MCLK1_period 6.25
set LMS_MCLK1_period_5MHz 200.0
set LMS_MCLK2_period 6.25
set LMS_MCLK2_period_5MHz 200.0
#Setup and hold times from datasheet
set LMS_LMS7_Tsu 1.50
set LMS_LMS7_Th 2.40
#Measured Tco_min and Tco_max values
set LMS_Tco_max 4.25
set LMS_Tco_min 2.00
#Tco based
set LMS7_IN_MAX_DELAY [expr $LMS_Tco_max]
set LMS7_IN_MIN_DELAY [expr $LMS_Tco_min]
# ----------------------------------------------------------------------------
#Base clocks
# ----------------------------------------------------------------------------
create_clock -period $LMS_MCLK1_period -name LMS_MCLK1 [get_ports LMS_MCLK1]
create_clock -period $LMS_MCLK1_period_5MHz -name LMS_MCLK1_5MHZ [get_ports LMS_MCLK1] -add
create_clock -period $LMS_MCLK2_period -name LMS_MCLK2 [get_ports LMS_MCLK2]
create_clock -period $LMS_MCLK2_period_5MHz -name LMS_MCLK2_5MHZ [get_ports LMS_MCLK2] -add
# ----------------------------------------------------------------------------
#Virtual clocks
# ----------------------------------------------------------------------------
create_clock -name LMS_MCLK2_VIRT -period $LMS_MCLK2_period
create_clock -name LMS_MCLK2_VIRT_5MHz -period $LMS_MCLK2_period_5MHz
# ----------------------------------------------------------------------------
#Generated clocks
# ----------------------------------------------------------------------------
#LMS TX PLL
create_generated_clock -name TX_PLLCLK_C0 \
-master [get_clocks LMS_MCLK1] \
-source [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|pll1|inclk[0]] \
-phase 0 [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|pll1|clk[0]]
create_generated_clock -name TX_PLLCLK_C1 \
-master [get_clocks LMS_MCLK1] \
-source [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|pll1|inclk[0]] \
-phase 0 [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|pll1|clk[1]]
#LMS1_FCLK1 clock output pin
create_generated_clock -name LMS_FCLK1_PLL \
-master [get_clocks TX_PLLCLK_C0] \
-invert \
-phase 0 \
-source [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|dataout*] \
[get_ports LMS_FCLK1]
create_generated_clock -name LMS_FCLK1_DRCT \
-master [get_clocks LMS_MCLK1_5MHZ] \
-invert \
-source [get_pins -compatibility_mode *tx_pll_top*\|*\|*\|dataout*] \
[get_ports LMS_FCLK1] -add
#LMS RX PLL
create_generated_clock -name RX_PLLCLK_C0 \
-master [get_clocks LMS_MCLK2] \
-source [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|pll1|inclk[0]] \
-phase 0 [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|pll1|clk[0]]
create_generated_clock -name RX_PLLCLK_C1 \
-master [get_clocks LMS_MCLK2] \
-source [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|pll1|inclk[0]] \
-phase 0 [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|pll1|clk[1]]
#
#LMS_FCLK2 clock
create_generated_clock -name LMS_FCLK2_PLL \
-master [get_clocks RX_PLLCLK_C0] \
-source [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|dataout*] \
[get_ports {LMS_FCLK2}]
create_generated_clock -name LMS_FCLK2_DRCT \
-master [get_clocks LMS_MCLK2_5MHZ] \
-source [get_pins -compatibility_mode *rx_pll_top*\|*\|*\|dataout*] \
[get_ports {LMS_FCLK2}] -add
# ----------------------------------------------------------------------------
#Input constraints
# ----------------------------------------------------------------------------
#LMS1 when MCLK2 is 160MHz
set_input_delay -max $LMS7_IN_MAX_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT] [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}]
set_input_delay -min $LMS7_IN_MIN_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT] [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}]
set_input_delay -max $LMS7_IN_MAX_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT] \
-clock_fall [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
set_input_delay -min $LMS7_IN_MIN_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT] \
-clock_fall [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
#LMS1 when MCLK2 is 5MHz
set_input_delay -max $LMS7_IN_MAX_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT_5MHz] [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
set_input_delay -min $LMS7_IN_MIN_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT_5MHz] [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
set_input_delay -max $LMS7_IN_MAX_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT_5MHz] \
-clock_fall [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
set_input_delay -min $LMS7_IN_MIN_DELAY \
-clock [get_clocks LMS_MCLK2_VIRT_5MHz] \
-clock_fall [get_ports {LMS_DIQ2_D[*] LMS_DIQ2_IQSEL2}] -add_delay
# ----------------------------------------------------------------------------
#Output constraints
# ----------------------------------------------------------------------------
#LMS1
set_output_delay -max $LMS_LMS7_Tsu \
-clock [get_clocks LMS_FCLK1_PLL] [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}]
set_output_delay -min -$LMS_LMS7_Th \
-clock [get_clocks LMS_FCLK1_PLL] [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}]
set_output_delay -max $LMS_LMS7_Tsu \
-clock [get_clocks LMS_FCLK1_PLL] \
-clock_fall [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
set_output_delay -min -$LMS_LMS7_Th \
-clock [get_clocks LMS_FCLK1_PLL] \
-clock_fall [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
set_output_delay -max $LMS_LMS7_Tsu \
-clock [get_clocks LMS_FCLK1_DRCT] [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
set_output_delay -min -$LMS_LMS7_Th \
-clock [get_clocks LMS_FCLK1_DRCT] [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
set_output_delay -max $LMS_LMS7_Tsu \
-clock [get_clocks LMS_FCLK1_DRCT] \
-clock_fall [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
set_output_delay -min -$LMS_LMS7_Th \
-clock [get_clocks LMS_FCLK1_DRCT] \
-clock_fall [get_ports {LMS_DIQ1_D[*] LMS_DIQ1_IQSEL}] -add_delay
# ----------------------------------------------------------------------------
#Exceptions
# ----------------------------------------------------------------------------
#Between Center aligned different edge transfers in DIQ2 interface (when sampling with PLL phase shifted clock >5MHz)
set_false_path -setup -rise_from [get_clocks LMS_MCLK2_VIRT] -rise_to \
[get_clocks RX_PLLCLK_C1]
set_false_path -setup -fall_from [get_clocks LMS_MCLK2_VIRT] -fall_to \
[get_clocks RX_PLLCLK_C1]
set_false_path -hold -rise_from [get_clocks LMS_MCLK2_VIRT] -rise_to \
[get_clocks RX_PLLCLK_C1]
set_false_path -hold -fall_from [get_clocks LMS_MCLK2_VIRT] -fall_to \
[get_clocks RX_PLLCLK_C1]
#Between Edge aligned same edge transfers in DIQ2 interface (When sampling with direct LMS_MCLK2 clock <5MHz)
set_false_path -setup -rise_from [get_clocks LMS_MCLK2_VIRT_5MHz] -rise_to \
[get_clocks LMS_MCLK2_5MHZ]
set_false_path -setup -fall_from [get_clocks LMS_MCLK2_VIRT_5MHz] -fall_to \
[get_clocks LMS_MCLK2_5MHZ]
set_false_path -hold -rise_from [get_clocks LMS_MCLK2_VIRT_5MHz] -rise_to \
[get_clocks LMS_MCLK2_5MHZ]
set_false_path -hold -fall_from [get_clocks LMS_MCLK2_VIRT_5MHz] -fall_to \
[get_clocks LMS_MCLK2_5MHZ]
#set_multicycle_path -hold -end -from [get_clocks {LMS_MCLK2_VIRT}] -to [get_clocks {RX_PLLCLK_C1}] [expr -1]
#Between Center aligned same edge transfers in DIQ1 interface
#set_false_path -setup -rise_from [get_clocks TX_PLLCLK_C1] -rise_to \
# [get_clocks LMS_FCLK1_PLL]
#set_false_path -setup -fall_from [get_clocks TX_PLLCLK_C1] -fall_to \
# [get_clocks LMS_FCLK1_PLL]
#set_false_path -hold -rise_from [get_clocks TX_PLLCLK_C1] -fall_to \
# [get_clocks LMS_FCLK1_PLL]
#set_false_path -hold -fall_from [get_clocks TX_PLLCLK_C1] -rise_to \
# [get_clocks LMS_FCLK1_PLL]
set_false_path -setup -rise_from [get_clocks TX_PLLCLK_C1] -fall_to \
[get_clocks LMS_FCLK1_PLL]
set_false_path -setup -fall_from [get_clocks TX_PLLCLK_C1] -rise_to \
[get_clocks LMS_FCLK1_PLL]
set_false_path -hold -rise_from [get_clocks TX_PLLCLK_C1] -fall_to \
[get_clocks LMS_FCLK1_PLL]
set_false_path -hold -fall_from [get_clocks TX_PLLCLK_C1] -rise_to \
[get_clocks LMS_FCLK1_PLL]
#Between Center aligned same edge transfers in DIQ1 interface (When MCLK2 <5MHz)
set_false_path -setup -rise_from [get_clocks LMS_MCLK1_5MHZ] -fall_to \
[get_clocks LMS_FCLK1_DRCT]
set_false_path -setup -fall_from [get_clocks LMS_MCLK1_5MHZ] -rise_to \
[get_clocks LMS_FCLK1_DRCT]
set_false_path -hold -rise_from [get_clocks LMS_MCLK1_5MHZ] -fall_to \
[get_clocks LMS_FCLK1_DRCT]
set_false_path -hold -fall_from [get_clocks LMS_MCLK1_5MHZ] -rise_to \
[get_clocks LMS_FCLK1_DRCT]
#Clock groups
#Other clock groups are set in top .sdc file
set_clock_groups -exclusive -group {LMS_FCLK1_PLL} \
-group {LMS_FCLK1_DRCT}
set_clock_groups -exclusive -group {LMS_MCLK1} \
-group {LMS_MCLK1_5MHZ}
set_clock_groups -exclusive -group {LMS_MCLK2 LMS_MCLK2_VIRT} \
-group {LMS_MCLK2_5MHZ LMS_MCLK2_VIRT_5MHz}
set_net_delay -from [get_pins -compatibility_mode *rx_pll_top*\|*c1_dly*\|combout*] -max 5
set_net_delay -from [get_pins -compatibility_mode *rx_pll_top*\|*c1_dly*\|combout*] -min 4
set_net_delay -from [get_pins -compatibility_mode *tx_pll_top*\|*c1_dly*\|combout*] -max 5
set_net_delay -from [get_pins -compatibility_mode *tx_pll_top*\|*c1_dly*\|combout*] -min 4
#False Path between PLL output and clock output ports LMS2_FCLK1 an LMS2_FCLK2
set_false_path -to [get_ports LMS_FCLK*]
#False path between unrelated clock transfers
#There ar no paths between 160MHZ LMS_MCLK2_VIRT and LMS_MCLK2
set_false_path -from [get_clocks LMS_MCLK2_VIRT] -to [get_clocks LMS_MCLK2]
#To cut paths for TX interface clock mux
set_false_path -from [get_clocks {LMS_MCLK1}] -to [get_clocks {LMS_FCLK1_PLL}]
set_false_path -from [get_clocks {LMS_MCLK1}] -to [get_clocks {LMS_FCLK1_DRCT}]
set_false_path -from [get_clocks {TX_PLLCLK_C1}] -to [get_clocks {LMS_FCLK1_DRCT}]
set_false_path -from [get_clocks {LMS_MCLK1_5MHZ}] -to [get_clocks {LMS_FCLK1_PLL}]
#To cut paths for RX interface clock mux
set_false_path -from [get_clocks {LMS_MCLK2_VIRT_5MHz}] -to [get_clocks {RX_PLLCLK_C1}]
set_false_path -from [get_clocks {LMS_MCLK2}] -to [get_clocks {LMS_MCLK2}]
set_false_path -from [get_clocks {LMS_MCLK1}] -to [get_clocks {LMS_MCLK1}]