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[/] [plasma/] [trunk/] [vhdl/] [spartan3e.ucf] - Rev 358

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### SPARTAN-3E STARTER KIT BOARD CONSTRAINTS FILE
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# ==== Analog-to-Digital Converter (ADC) ====
# some connections shared with SPI Flash, DAC, ADC, and AMP
#NET "AD_CONV" LOC = "P11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
# ==== Programmable Gain Amplifier (AMP) ====
# some connections shared with SPI Flash, DAC, ADC, and AMP
#NET "AMP_CS" LOC = "N7" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
#NET "AMP_DOUT" LOC = "E18" | IOSTANDARD = LVCMOS33 ;
#NET "AMP_SHDN" LOC = "P7" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
# ==== Pushbuttons (BTN) ====
NET "BTN_EAST" LOC = "H13" | IOSTANDARD = LVTTL | PULLDOWN ;
NET "BTN_NORTH" LOC = "V4" | IOSTANDARD = LVTTL | PULLDOWN ;
NET "BTN_SOUTH" LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN ;
NET "BTN_WEST" LOC = "D18" | IOSTANDARD = LVTTL | PULLDOWN ;
# ==== Clock inputs (CLK) ====
NET "CLK_50MHZ" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
# Define clock period for 50 MHz oscillator (40%/60% duty-cycle)
NET "CLK_50MHZ" PERIOD = 20 ns HIGH 40 %;
#NET "CLK_AUX" LOC = "B8" | IOSTANDARD = LVCMOS33 ;
#NET "CLK_SMA" LOC = "A10" | IOSTANDARD = LVCMOS33 ;
# ==== Digital-to-Analog Converter (DAC) ====
# some connections shared with SPI Flash, DAC, ADC, and AMP
#NET "DAC_CLR" LOC = "P8" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
#NET "DAC_CS" LOC = "N8" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
# ==== 1-Wire Secure EEPROM (DS)
#NET "DS_WIRE" LOC = "U4" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
# ==== Ethernet PHY (E) ====
#NET "E_COL" LOC = "U6" | IOSTANDARD = LVCMOS33 ;
#NET "E_CRS" LOC = "U13" | IOSTANDARD = LVCMOS33 ;
NET "E_MDC" LOC = "P9" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_MDIO" LOC = "U5" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_RX_CLK" LOC = "V3" | IOSTANDARD = LVCMOS33 ;
NET "E_RX_DV" LOC = "V2" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<0>" LOC = "V8" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<1>" LOC = "T11" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<2>" LOC = "U11" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<3>" LOC = "V14" | IOSTANDARD = LVCMOS33 ;
#NET "E_RXD<4>" LOC = "U14" | IOSTANDARD = LVCMOS33 ;
NET "E_TX_CLK" LOC = "T7" | IOSTANDARD = LVCMOS33 ;
NET "E_TX_EN" LOC = "P15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_TXD<0>" LOC = "R11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_TXD<1>" LOC = "T15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_TXD<2>" LOC = "R5"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "E_TXD<3>" LOC = "T5"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
#NET "E_TXD<4>" LOC = "R6" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
# ==== FPGA Configuration Mode, INIT_B Pins (FPGA) ====
#NET "FPGA_M0" LOC = "M10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
#NET "FPGA_M1" LOC = "V11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
#NET "FPGA_M2" LOC = "T10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
#NET "FPGA_INIT_B" LOC = "T3" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 4 ;
#NET "FPGA_RDWR_B" LOC = "U10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 4 ;
#NET "FPGA_HSWAP" LOC = "B3" | IOSTANDARD = LVCMOS33 ;
# ==== FX2 Connector (FX2) ====
#NET "FX2_CLKIN" LOC = "E10" | IOSTANDARD = LVCMOS33 ;
#NET "FX2_CLKIO" LOC = "D9" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_CLKOUT" LOC = "D10" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
# These four connections are shared with the J1 6-pin accessory header
#NET "FX2_IO<1>" LOC = "B4" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<2>" LOC = "A4" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<3>" LOC = "D5" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<4>" LOC = "C5" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
# These four connections are shared with the J2 6-pin accessory header
#NET "FX2_IO<5>" LOC = "A6" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<6>" LOC = "B6" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<7>" LOC = "E7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<8>" LOC = "F7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
# These four connections are shared with the J4 6-pin accessory header
#NET "FX2_IO<9>" LOC = "D7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<10>" LOC = "C7" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<11>" LOC = "F8" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<12>" LOC = "E8" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
# The discrete LEDs are shared with the following 8 FX2 connections
#NET "FX2_IO<13>" LOC = "F9" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<14>" LOC = "E9" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<15>" LOC = "D11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<16>" LOC = "C11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<17>" LOC = "F11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<18>" LOC = "E11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<19>" LOC = "E12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<20>" LOC = "F12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<21>" LOC = "A13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<22>" LOC = "B13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<23>" LOC = "A14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<24>" LOC = "B14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<25>" LOC = "C14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<26>" LOC = "D14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<27>" LOC = "A16" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<28>" LOC = "B16" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<29>" LOC = "E13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<30>" LOC = "C4" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<31>" LOC = "B11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<32>" LOC = "A11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<33>" LOC = "A8" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<34>" LOC = "G9" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IP<35>" LOC = "D12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IP<36>" LOC = "C12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IP<37>" LOC = "A15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IP<38>" LOC = "B15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IO<39>" LOC = "C3" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "FX2_IP<40>" LOC = "C15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
# ==== 6-pin header J1 ====
# These are shared connections with the FX2 connector
#NET "J1<0>" LOC = "B4" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J1<1>" LOC = "A4" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J1<2>" LOC = "D5" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J1<3>" LOC = "C5" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
# ==== 6-pin header J2 ====
# These are shared connections with the FX2 connector
#NET "J2<0>" LOC = "A6" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J2<1>" LOC = "B6" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J2<2>" LOC = "E7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J2<3>" LOC = "F7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
# ==== 6-pin header J4 ====
# These are shared connections with the FX2 connector
#NET "J4<0>" LOC = "D7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<1>" LOC = "C7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<2>" LOC = "F8" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<3>" LOC = "E8" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
# ==== Character LCD (LCD) ====
#NET "LCD_E" LOC = "M18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "LCD_RS" LOC = "L18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "LCD_RW" LOC = "L17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
# LCD data connections are shared with StrataFlash connections SF_D<11:8>
#NET "SF_D<8>" LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "SF_D<9>" LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "SF_D<10>" LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "SF_D<11>" LOC = "M15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
# ==== Discrete LEDs (LED) ====
# These are shared connections with the FX2 connector
NET "LED<0>" LOC = "F12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<1>" LOC = "E12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<2>" LOC = "E11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<3>" LOC = "F11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<4>" LOC = "C11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<5>" LOC = "D11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<6>" LOC = "E9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED<7>" LOC = "F9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
# ==== PS/2 Mouse/Keyboard Port (PS2) ====
NET "PS2_CLK" LOC = "G14" | IOSTANDARD = LVCMOS33 ;
NET "PS2_DATA" LOC = "G13" | IOSTANDARD = LVCMOS33 ;
# ==== Rotary Pushbutton Switch (ROT) ====
NET "ROT_A" LOC = "K18" | IOSTANDARD = LVTTL | PULLUP ;
NET "ROT_B" LOC = "G18" | IOSTANDARD = LVTTL | PULLUP ;
NET "ROT_CENTER" LOC = "V16" | IOSTANDARD = LVTTL | PULLDOWN ;
# ==== RS-232 Serial Ports (RS232) ====
NET "RS232_DCE_RXD" LOC = "R7" | IOSTANDARD = LVTTL ;
NET "RS232_DCE_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
#NET "RS232_DTE_RXD" LOC = "U8" | IOSTANDARD = LVTTL ;
#NET "RS232_DTE_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
# ==== DDR SDRAM (SD) ==== (I/O Bank 3, VCCO=2.5V)
NET "SD_A<0>" LOC = "T1" | IOSTANDARD = SSTL2_I ;
NET "SD_A<1>" LOC = "R3" | IOSTANDARD = SSTL2_I ;
NET "SD_A<2>" LOC = "R2" | IOSTANDARD = SSTL2_I ;
NET "SD_A<3>" LOC = "P1" | IOSTANDARD = SSTL2_I ;
NET "SD_A<4>" LOC = "F4" | IOSTANDARD = SSTL2_I ;
NET "SD_A<5>" LOC = "H4" | IOSTANDARD = SSTL2_I ;
NET "SD_A<6>" LOC = "H3" | IOSTANDARD = SSTL2_I ;
NET "SD_A<7>" LOC = "H1" | IOSTANDARD = SSTL2_I ;
NET "SD_A<8>" LOC = "H2" | IOSTANDARD = SSTL2_I ;
NET "SD_A<9>" LOC = "N4" | IOSTANDARD = SSTL2_I ;
NET "SD_A<10>" LOC = "T2" | IOSTANDARD = SSTL2_I ;
NET "SD_A<11>" LOC = "N5" | IOSTANDARD = SSTL2_I ;
NET "SD_A<12>" LOC = "P2" | IOSTANDARD = SSTL2_I ;
NET "SD_BA<0>" LOC = "K5" | IOSTANDARD = SSTL2_I ;
NET "SD_BA<1>" LOC = "K6" | IOSTANDARD = SSTL2_I ;
NET "SD_CAS" LOC = "C2" | IOSTANDARD = SSTL2_I ;
NET "SD_CK_N" LOC = "J4" | IOSTANDARD = SSTL2_I ;
NET "SD_CK_P" LOC = "J5" | IOSTANDARD = SSTL2_I ;
NET "SD_CKE" LOC = "K3" | IOSTANDARD = SSTL2_I ;
NET "SD_CS" LOC = "K4" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<0>" LOC = "L2" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<1>" LOC = "L1" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<2>" LOC = "L3" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<3>" LOC = "L4" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<4>" LOC = "M3" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<5>" LOC = "M4" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<6>" LOC = "M5" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<7>" LOC = "M6" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<8>" LOC = "E2" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<9>" LOC = "E1" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<10>" LOC = "F1" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<11>" LOC = "F2" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<12>" LOC = "G6" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<13>" LOC = "G5" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<14>" LOC = "H6" | IOSTANDARD = SSTL2_I ;
NET "SD_DQ<15>" LOC = "H5" | IOSTANDARD = SSTL2_I ;
NET "SD_LDM" LOC = "J2" | IOSTANDARD = SSTL2_I ;
NET "SD_LDQS" LOC = "L6" | IOSTANDARD = SSTL2_I ;
NET "SD_RAS" LOC = "C1" | IOSTANDARD = SSTL2_I ;
NET "SD_UDM" LOC = "J1" | IOSTANDARD = SSTL2_I ;
NET "SD_UDQS" LOC = "G3" | IOSTANDARD = SSTL2_I ;
NET "SD_WE" LOC = "D1" | IOSTANDARD = SSTL2_I ;
# Path to allow connection to top DCM connection
#NET "SD_CK_FB" LOC = "B9" | IOSTANDARD = LVCMOS33 ;
# Prohibit VREF pins
CONFIG PROHIBIT = D2;
CONFIG PROHIBIT = G4;
CONFIG PROHIBIT = J6;
CONFIG PROHIBIT = L5;
CONFIG PROHIBIT = R4;
# ==== Intel StrataFlash Parallel NOR Flash (SF) ====
NET "SF_A<0>" LOC = "H17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<1>" LOC = "J13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<2>" LOC = "J12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<3>" LOC = "J14" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<4>" LOC = "J15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<5>" LOC = "J16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<6>" LOC = "J17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<7>" LOC = "K14" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<8>" LOC = "K15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<9>" LOC = "K12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<10>" LOC = "K13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<11>" LOC = "L15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<12>" LOC = "L16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<13>" LOC = "T18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<14>" LOC = "R18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<15>" LOC = "T17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<16>" LOC = "U18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<17>" LOC = "T16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<18>" LOC = "U15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<19>" LOC = "V15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<20>" LOC = "T12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<21>" LOC = "V13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<22>" LOC = "V12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<23>" LOC = "N11" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_A<24>" LOC = "A11" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_BYTE" LOC = "C17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_CE0" LOC = "D16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<1>" LOC = "P10" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<2>" LOC = "R10" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<3>" LOC = "V9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<4>" LOC = "U9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<5>" LOC = "R9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<6>" LOC = "M9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<7>" LOC = "N9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<8>" LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<9>" LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<10>" LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<11>" LOC = "M15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<12>" LOC = "M16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<13>" LOC = "P6" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<14>" LOC = "R8" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<15>" LOC = "T8" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_OE" LOC = "C18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_STS" LOC = "B18" | IOSTANDARD = LVCMOS33 ;
NET "SF_WE" LOC = "D17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
# ==== STMicro SPI serial Flash (SPI) ====
# some connections shared with SPI Flash, DAC, ADC, and AMP
NET "SPI_MISO" LOC = "N10" | IOSTANDARD = LVCMOS33 ;
#NET "SPI_MOSI" LOC = "T4" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
#NET "SPI_SCK" LOC = "U16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
#NET "SPI_SS_B" LOC = "U3" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
#NET "SPI_ALT_CS_JP11" LOC = "R12" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6 ;
# ==== Slide Switches (SW) ====
NET "SW<0>" LOC = "L13" | IOSTANDARD = LVTTL | PULLUP ;
NET "SW<1>" LOC = "L14" | IOSTANDARD = LVTTL | PULLUP ;
NET "SW<2>" LOC = "H18" | IOSTANDARD = LVTTL | PULLUP ;
NET "SW<3>" LOC = "N17" | IOSTANDARD = LVTTL | PULLUP ;
# ==== VGA Port (VGA) ====
NET "VGA_BLUE" LOC = "G15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "VGA_GREEN" LOC = "H15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "VGA_HSYNC" LOC = "F15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "VGA_RED" LOC = "H14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "VGA_VSYNC" LOC = "F14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
# ==== Xilinx CPLD (XC) ====
#NET "XC_CMD<0>" LOC = "P18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
#NET "XC_CMD<1>" LOC = "N18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
#NET "XC_CPLD_EN" LOC = "B10" | IOSTANDARD = LVTTL ;
#NET "XC_D<0>" LOC = "G16" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
#NET "XC_D<1>" LOC = "F18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
#NET "XC_D<2>" LOC = "F17" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
#NET "XC_TRIG" LOC = "R17" | IOSTANDARD = LVCMOS33 ;
#NET "XC_GCK0" LOC = "H16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "GCLK10" LOC = "C9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "CLK_50MHZ" TNM_NET = "CLK_50MHZ";
NET "clk_reg1" TNM_NET = "clk_reg1";
TIMESPEC "TS_clk_reg1" = PERIOD "clk_reg1" 40 ns HIGH 50 %;

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