# Constraint:    UCF file for FPGA_EBS_V2.1
# Device:        Spartan 3, XC3S500E
# Package:       BGA FG320
# Date:          04.03.2011
#
#
# WARNING:       Some boards are equipped with XC3S1200E and need another UCF !
#
#-------------------------------------------------------------------------------



#-------------------------------------------------------------------------------
# Constraints
#

TIMESPEC TS01 = FROM:FFS:TO:FFS:10.0;   # 100 MHz


#-------------------------------------------------------------------------------
# Clock and reset
#

#NET     "reset"         LOC = "T10";
NET     "reset_n"       LOC = "D3"  | PULLUP;
NET     "clock"         LOC = "A10";
NET     "clockEth"      LOC = "D10";
#NET     "usb_rdy0"      LOC = "U4";
#NET     "usb_rdy1"      LOC = "P7";
NET     "usb_wakeup"    LOC = "N11";


#-------------------------------------------------------------------------------
# Buttons & LEDs
#

NET     "button1_n"     LOC = "A15" | PULLUP;
#NET     "button2_n"     LOC = "D3"  | PULLUP;
NET     "button2"        LOC = "T10";
NET     "LED1"          LOC = "B16";
NET     "LED2"          LOC = "A16";


#-------------------------------------------------------------------------------
# Serial ports, Rx, Tx defined with FPGA as master
#

NET     "rxd0"          LOC = "V2" ;    # female DB9 on J9, FPGA is slave
NET     "txd0"          LOC = "T1" ;
NET     "rxd1"          LOC = "U1" ;    # male DB9 on J10, FPGA is master
NET     "txd1"          LOC = "P1" ;
NET     "rxd3"          LOC = "H5" ;    # on Mezzanine connector B, FPGA is slave
NET     "txd3"          LOC = "H6" ;


#-------------------------------------------------------------------------------
# Parallel ports
#

NET     "parallelPort1<1>"      LOC = "F8" ;
NET     "parallelPort1<2>"      LOC = "F7" ;
NET     "parallelPort1<3>"      LOC = "F9" ;
NET     "parallelPort1<4>"      LOC = "G9" ;
NET     "parallelPort1<5>"      LOC = "E8" ;
NET     "parallelPort1<6>"      LOC = "E7" ;
NET     "parallelPort1<7>"      LOC = "B14";
NET     "parallelPort1<8>"      LOC = "B13";
NET     "parallelPort1<9>"      LOC = "B11";
NET     "parallelPort1<10>"     LOC = "A8" ;
NET     "parallelPort1<11>"     LOC = "C7" ;
NET     "parallelPort1<12>"     LOC = "A14";
NET     "parallelPort1<13>"     LOC = "A11";
NET     "parallelPort1<14>"     LOC = "A13";
NET     "parallelPort1<15>"     LOC = "D7" ;
NET     "parallelPort1<16>"     LOC = "E9" ;
NET     "parallelPort1<17>"     LOC = "F11";

NET     "parallelPort2<1>"      LOC = "A6" ;
NET     "parallelPort2<2>"      LOC = "B6" ;
NET     "parallelPort2<3>"      LOC = "A4" ;
NET     "parallelPort2<4>"      LOC = "B4" ;
NET     "parallelPort2<5>"      LOC = "B3" ;
NET     "parallelPort2<6>"      LOC = "G6" ;
NET     "parallelPort2<7>"      LOC = "C5" ;
NET     "parallelPort2<8>"      LOC = "C4" ;
NET     "parallelPort2<9>"      LOC = "C3" ;
NET     "parallelPort2<10>"     LOC = "D5" ;
NET     "parallelPort2<11>"     LOC = "G3" ;
NET     "parallelPort2<12>"     LOC = "E2" ;
NET     "parallelPort2<13>"     LOC = "G4" ;
NET     "parallelPort2<14>"     LOC = "G5" ;
NET     "parallelPort2<15>"     LOC = "D2" ;
NET     "parallelPort2<16>"     LOC = "F4" ;
NET     "parallelPort2<17>"     LOC = "C2" ;


#-------------------------------------------------------------------------------
# USB EEProm
#

NET     "sCl"           LOC = "U5" ;
NET     "sDa"           LOC = "T5" ;


#-------------------------------------------------------------------------------
# Memory
#

#NET     "mezA<0>"       LOC = "P18";
NET     "mezA<1>"       LOC = "J13";
NET     "mezA<2>"       LOC = "J12";
NET     "mezA<3>"       LOC = "J14";
NET     "mezA<4>"       LOC = "J15";
NET     "mezA<5>"       LOC = "J16";
NET     "mezA<6>"       LOC = "J17";
NET     "mezA<7>"       LOC = "K14";
NET     "mezA<8>"       LOC = "K15";
NET     "mezA<9>"       LOC = "K12";
NET     "mezA<10>"      LOC = "K13";
NET     "mezA<11>"      LOC = "L15";
NET     "mezA<12>"      LOC = "L16";
NET     "mezA<13>"      LOC = "T18";
NET     "mezA<14>"      LOC = "R18";
NET     "mezA<15>"      LOC = "T17";
NET     "mezA<16>"      LOC = "U18";
NET     "mezA<17>"      LOC = "T16";
NET     "mezA<18>"      LOC = "U15";
NET     "mezA<19>"      LOC = "V15";
NET     "mezA<20>"      LOC = "R14";
NET     "mezA<21>"      LOC = "T14";
NET     "mezA<22>"      LOC = "R13";
NET     "mezA<23>"      LOC = "P13";

NET     "mezD<0>"       LOC = "H17";
NET     "mezD<1>"       LOC = "F17";
NET     "mezD<2>"       LOC = "D17";
NET     "mezD<3>"       LOC = "C17";
NET     "mezD<4>"       LOC = "G15";
NET     "mezD<5>"       LOC = "E11";
NET     "mezD<6>"       LOC = "G16";
NET     "mezD<7>"       LOC = "E13";
NET     "mezD<8>"       LOC = "F18";
NET     "mezD<9>"       LOC = "E17";
NET     "mezD<10>"      LOC = "C18";
NET     "mezD<11>"      LOC = "G14";
NET     "mezD<12>"      LOC = "F14";
NET     "mezD<13>"      LOC = "D11";
NET     "mezD<14>"      LOC = "F15";
NET     "mezD<15>"      LOC = "D16";

NET     "mezOe_n"       LOC = "H15";
NET     "mezWr_n"       LOC = "H16";
NET     "mezRst_n"      LOC = "M18";

NET     "sdCs_n"        LOC = "M13";
NET     "sdRas_n"       LOC = "V13";
NET     "sdCas_n"       LOC = "M14";
NET     "sdDqm<0>"      LOC = "T15";
NET     "sdDqm<1>"      LOC = "R15";
NET     "sdCke"         LOC = "P15";
NET     "sdClk"         LOC = "R16";

NET     "flashCs_n"     LOC = "M16";
NET     "flashSts"      LOC = "C11";