diff --git a/constraints/ax7102.xdc b/constraints/ax7102.xdc
new file mode 100644
index 0000000..d97d399
--- /dev/null
+++ b/constraints/ax7102.xdc
@@ -0,0 +1,171 @@
+# === iostandard ===
+set_property CFGBVS VCCO [current_design]
+set_property CONFIG_VOLTAGE 3.3 [current_design]
+
+# === SPI flash config ===
+set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 [current_design]
+set_property CONFIG_MODE SPIx4 [current_design]
+set_property BITSTREAM.CONFIG.CONFIGRATE 50 [current_design]
+
+# === clock config ===
+create_clock -period 5.000 [get_ports sys_clk_p]
+set_property IOSTANDARD DIFF_SSTL15 [get_ports sys_clk_p]
+set_property PACKAGE_PIN R4 [get_ports sys_clk_p]
+set_property PACKAGE_PIN T4 [get_ports sys_clk_n]
+set_property IOSTANDARD DIFF_SSTL15 [get_ports sys_clk_n]
+
+# === reset button ===
+set_property IOSTANDARD LVCMOS15 [get_ports rst_n]
+set_property PACKAGE_PIN T6 [get_ports rst_n]
+
+# === leds ===
+set_property IOSTANDARD LVCMOS33 [get_ports {led[*]}]
+set_property PACKAGE_PIN C17 [get_ports {led[0]}]
+set_property PACKAGE_PIN D17 [get_ports {led[1]}]
+set_property PACKAGE_PIN V20 [get_ports {led[2]}]
+set_property PACKAGE_PIN U20 [get_ports {led[3]}]
+
+# === 1Gb ethernet PHY ===
+set_property PACKAGE_PIN V10 [get_ports e_mdio]
+set_property IOSTANDARD LVCMOS33 [get_ports e_mdio]
+set_property PACKAGE_PIN W10 [get_ports e_mdc]
+set_property IOSTANDARD LVCMOS33 [get_ports e_mdc]
+set_property PULLTYPE PULLUP [get_ports e_mdc]
+set_property SLEW SLOW [get_ports e_mdio]
+set_property PULLTYPE PULLUP [get_ports e_mdio]
+# eth rx
+create_clock -period 8.000 -name rx_clk [get_ports e_rxc]
+set_property IOSTANDARD LVCMOS33 [get_ports e_rxc]
+set_property PACKAGE_PIN K18 [get_ports e_rxc]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_rxdv]
+set_property PACKAGE_PIN M22 [get_ports e_rxdv]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_rxer]
+set_property PACKAGE_PIN N19 [get_ports e_rxer]
+
+set_property IOSTANDARD LVCMOS33 [get_ports {e_rxd[*]}]
+set_property PACKAGE_PIN N22 [get_ports {e_rxd[0]}]
+set_property PACKAGE_PIN H18 [get_ports {e_rxd[1]}]
+set_property PACKAGE_PIN H17 [get_ports {e_rxd[2]}]
+set_property PACKAGE_PIN K19 [get_ports {e_rxd[3]}]
+set_property PACKAGE_PIN M21 [get_ports {e_rxd[4]}]
+set_property PACKAGE_PIN L21 [get_ports {e_rxd[5]}]
+set_property PACKAGE_PIN N20 [get_ports {e_rxd[6]}]
+set_property PACKAGE_PIN M20 [get_ports {e_rxd[7]}]
+
+# eth tx
+set_property IOSTANDARD LVCMOS33 [get_ports e_txc]
+set_property PACKAGE_PIN J17 [get_ports e_txc]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_gtxc]
+set_property PACKAGE_PIN L18 [get_ports e_gtxc]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_txen]
+set_property PACKAGE_PIN M16 [get_ports e_txen]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_txer]
+set_property PACKAGE_PIN M13 [get_ports e_txer]
+
+set_property IOSTANDARD LVCMOS33 [get_ports {e_txd[*]}]
+set_property PACKAGE_PIN M15 [get_ports {e_txd[0]}]
+set_property PACKAGE_PIN L14 [get_ports {e_txd[1]}]
+set_property PACKAGE_PIN K16 [get_ports {e_txd[2]}]
+set_property PACKAGE_PIN L16 [get_ports {e_txd[3]}]
+set_property PACKAGE_PIN K17 [get_ports {e_txd[4]}]
+set_property PACKAGE_PIN L20 [get_ports {e_txd[5]}]
+set_property PACKAGE_PIN L19 [get_ports {e_txd[6]}]
+set_property PACKAGE_PIN L13 [get_ports {e_txd[7]}]
+
+set_property IOSTANDARD LVCMOS33 [get_ports e_reset]
+set_property PACKAGE_PIN L15 [get_ports e_reset]
+
+create_clock -period 8.000 -name tx_clk [get_ports e_gtxc]
+
+set_false_path -reset_path -from [get_clocks sys_clk_p] -to [get_clocks rx_clk]
+
+# === ADC an9238 (J4 header) ===
+set_property PACKAGE_PIN K14 [get_ports ch2_clk]
+set_property PACKAGE_PIN K13 [get_ports ch2_data[0]]
+set_property PACKAGE_PIN H14 [get_ports ch2_data[1]]
+set_property PACKAGE_PIN J14 [get_ports ch2_data[2]]
+set_property PACKAGE_PIN H15 [get_ports ch2_data[3]]
+set_property PACKAGE_PIN J15 [get_ports ch2_data[4]]
+set_property PACKAGE_PIN G13 [get_ports ch2_data[5]]
+set_property PACKAGE_PIN H13 [get_ports ch2_data[6]]
+set_property PACKAGE_PIN J21 [get_ports ch2_data[7]]
+set_property PACKAGE_PIN J20 [get_ports ch2_data[8]]
+set_property PACKAGE_PIN G16 [get_ports ch2_data[9]]
+set_property PACKAGE_PIN G15 [get_ports ch2_data[10]]
+set_property PACKAGE_PIN H19 [get_ports ch2_data[11]]
+set_property PACKAGE_PIN J19 [get_ports ch2_otr]
+
+set_property PACKAGE_PIN J16 [get_ports ch1_data[1]]
+set_property PACKAGE_PIN F15 [get_ports ch1_data[0]]
+set_property PACKAGE_PIN K22 [get_ports ch1_data[3]]
+set_property PACKAGE_PIN K21 [get_ports ch1_data[2]]
+set_property PACKAGE_PIN H22 [get_ports ch1_data[5]]
+set_property PACKAGE_PIN J22 [get_ports ch1_data[4]]
+set_property PACKAGE_PIN G20 [get_ports ch1_data[7]]
+set_property PACKAGE_PIN H20 [get_ports ch1_data[6]]
+set_property PACKAGE_PIN G22 [get_ports ch1_data[9]]
+set_property PACKAGE_PIN G21 [get_ports ch1_data[8]]
+set_property PACKAGE_PIN D22 [get_ports ch1_data[11]]
+set_property PACKAGE_PIN E22 [get_ports ch1_data[10]]
+set_property PACKAGE_PIN D21 [get_ports ch1_clk]
+set_property PACKAGE_PIN E21 [get_ports ch1_otr]
+
+set_property IOSTANDARD LVCMOS33 [get_ports ch2_clk]
+set_property IOSTANDARD LVCMOS33 [get_ports {ch2_data[*]}]
+set_property IOSTANDARD LVCMOS33 [get_ports ch2_otr]
+set_property IOSTANDARD LVCMOS33 [get_ports {ch1_data[*]}]
+set_property IOSTANDARD LVCMOS33 [get_ports ch1_clk]
+set_property IOSTANDARD LVCMOS33 [get_ports ch1_otr]
+
+set_property SLEW FAST [get_ports {ch2_clk ch1_clk}]
+
+
+
+# === DAC an9767(J5 header) ===
+set_property PACKAGE_PIN F13  [get_ports {da1_clk}]
+set_property PACKAGE_PIN F14  [get_ports {da1_wrt}]
+set_property PACKAGE_PIN AB15 [get_ports {da1_data[13]}]
+set_property PACKAGE_PIN AA15 [get_ports {da1_data[12]}]
+set_property PACKAGE_PIN AA14 [get_ports {da1_data[11]}]
+set_property PACKAGE_PIN Y13  [get_ports {da1_data[10]}]
+set_property PACKAGE_PIN AB17 [get_ports {da1_data[9]}]
+set_property PACKAGE_PIN AB16 [get_ports {da1_data[8]}]
+set_property PACKAGE_PIN AA16 [get_ports {da1_data[7]}]
+set_property PACKAGE_PIN Y16  [get_ports {da1_data[6]}]
+set_property PACKAGE_PIN AB12 [get_ports {da1_data[5]}]
+set_property PACKAGE_PIN AB11 [get_ports {da1_data[4]}]
+set_property PACKAGE_PIN Y14  [get_ports {da1_data[3]}]
+set_property PACKAGE_PIN W14  [get_ports {da1_data[2]}]
+set_property PACKAGE_PIN C19  [get_ports {da1_data[1]}]
+set_property PACKAGE_PIN C18  [get_ports {da1_data[0]}]
+
+set_property IOSTANDARD LVCMOS33 [get_ports {da1_data[*]}]
+set_property IOSTANDARD LVCMOS33 [get_ports {da1_wrt}]
+set_property IOSTANDARD LVCMOS33 [get_ports {da1_clk}]
+
+set_property PACKAGE_PIN E14 [get_ports {da2_clk}]
+set_property PACKAGE_PIN E13 [get_ports {da2_wrt}]
+set_property PACKAGE_PIN D15 [get_ports {da2_data[13]}]
+set_property PACKAGE_PIN D14 [get_ports {da2_data[12]}]
+set_property PACKAGE_PIN B13 [get_ports {da2_data[11]}]
+set_property PACKAGE_PIN C13 [get_ports {da2_data[10]}]
+set_property PACKAGE_PIN AB13 [get_ports {da2_data[9]}]
+set_property PACKAGE_PIN AA13 [get_ports {da2_data[8]}]
+set_property PACKAGE_PIN A19 [get_ports {da2_data[7]}]
+set_property PACKAGE_PIN A18 [get_ports {da2_data[6]}]
+set_property PACKAGE_PIN E18 [get_ports {da2_data[5]}]
+set_property PACKAGE_PIN F18 [get_ports {da2_data[4]}]
+set_property PACKAGE_PIN F20 [get_ports {da2_data[3]}]
+set_property PACKAGE_PIN F19 [get_ports {da2_data[2]}]
+set_property PACKAGE_PIN A20 [get_ports {da2_data[1]}]
+set_property PACKAGE_PIN B20 [get_ports {da2_data[0]}]
+
+set_property IOSTANDARD LVCMOS33 [get_ports {da2_clk}]
+set_property IOSTANDARD LVCMOS33 [get_ports {da2_wrt}]
+set_property IOSTANDARD LVCMOS33 [get_ports {da2_data[*]}]
+