21 lines
1.8 KiB
Plaintext
21 lines
1.8 KiB
Plaintext
# ad4696_fmc SPI interface
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set_property -dict {PACKAGE_PIN N19 IOSTANDARD LVCMOS25} [get_ports ad469x_spi_sdi] ; ## D08 FMC_LPC_LA01_CC_P
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set_property -dict {PACKAGE_PIN P17 IOSTANDARD LVCMOS25} [get_ports ad469x_spi_sdo] ; ## H07 FMC_LPC_LA02_P
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set_property -dict {PACKAGE_PIN N20 IOSTANDARD LVCMOS25} [get_ports ad469x_spi_sclk] ; ## D09 FMC_LPC_LA01_CC_N
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set_property -dict {PACKAGE_PIN M19 IOSTANDARD LVCMOS25} [get_ports ad469x_spi_cs] ; ## G06 FMC_LPC_LA00_CC_P
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set_property -dict {PACKAGE_PIN M20 IOSTANDARD LVCMOS25} [get_ports ad469x_spi_cnv] ; ## G07 FMC_LPC_LA00_CC_N
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set_property -dict {PACKAGE_PIN M21 IOSTANDARD LVCMOS25} [get_ports ad469x_resetn] ; ## H10 FMC_LPC_LA04_P
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set_property -dict {PACKAGE_PIN P18 IOSTANDARD LVCMOS25} [get_ports ad469x_busy_alt_gp0] ; ## H08 FMC_LPC_LA02_N
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# rename auto-generated clock for SPIEngine to spi_clk - 160MHz
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# NOTE: clk_fpga_0 is the first PL fabric clock, also called $sys_cpu_clk
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create_generated_clock -name spi_clk -source [get_pins -filter name=~*CLKIN1 -of [get_cells -hier -filter name=~*spi_clkgen*i_mmcm]] -master_clock clk_fpga_0 [get_pins -filter name=~*CLKOUT0 -of [get_cells -hier -filter name=~*spi_clkgen*i_mmcm]]
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# relax the SDO path to help closing timing at high frequencies
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set_multicycle_path -setup 8 -to [get_cells -hierarchical -filter {NAME=~*/data_sdo_shift_reg[*]}] -from [get_clocks spi_clk]
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set_multicycle_path -hold 7 -to [get_cells -hierarchical -filter {NAME=~*/data_sdo_shift_reg[*]}] -from [get_clocks spi_clk]
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set_multicycle_path -setup 8 -to [get_cells -hierarchical -filter {NAME=~*/spi_ad469x_execution/inst/left_aligned_reg*}] -from [get_clocks spi_clk]
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set_multicycle_path -hold 7 -to [get_cells -hierarchical -filter {NAME=~*/spi_ad469x_execution/inst/left_aligned_reg*}] -from [get_clocks spi_clk]
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