URL https://opencores.org/ocsvn/ddr3_sdram/ddr3_sdram/trunk
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[/] [ddr3_sdram/] [trunk/] [system.ucf] - Rev 3

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# For SiOI FS6484 Spartan 6 board
# Copyright 2012 SiOI

CONFIG VCCAUX=3.3;

Net mck62M5 TNM_NET = sys_clk_pin;
TIMESPEC TS_sys_clk_pin = PERIOD sys_clk_pin 16.000 ns HIGH 50% INPUT_JITTER 100.0ps;

Net mck62M5             LOC=M3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50;
Net mled<0>              LOC=AB2 |       IOSTANDARD=LVCMOS33             |       SLEW=QUIETIO;
Net mled<1>     LOC=AA2 |       IOSTANDARD=LVCMOS33             |       SLEW=QUIETIO;
Net mbtn<0>      LOC=Y3  |       IOSTANDARD=LVCMOS33             |       PULLUP;
Net mbtn<1>     LOC=AB3 |       IOSTANDARD=LVCMOS33             |       PULLUP;

Net txd                 LOC=B10 |       IOSTANDARD=LVCMOS33;
Net rxd                 LOC=A10 |       IOSTANDARD=LVCMOS33;

#Net sda                        LOC=P2  |       IOSTANDARD=SSTL15_II;
#Net scl                        LOC=L4  |       IOSTANDARD=SSTL15_II;

# PAR usually gets the following right but use manual placement if it fails:
#INST "*BUFPLLS[0].bufpll_625_18" LOC=BUFPLL_X0Y3;
#INST "*BUFPLLS[1].bufpll_625_18" LOC=BUFPLL_X2Y3;

# Ignore the timing of the GPIO outputs from the MicroBlaze:
inst "mcs_0/U0/iomodule_0/IOModule_Core_I1/GPO_I?/gpo_io_i_?" TIG;

# Apply TIGs to reset circuitry, allowing it to take multiple clock cycles
inst "drac/rStarted" TIG;
inst "drac/rClrPll" TIG;

# It is OK for tristating of the data pins can take multiple clock cycles
inst "drac/READ" TIG;

# 20121011; OUT_TERM=UNTUNED_50 is too strong, use OUT_TERM=UNTUNED_25

Net ddq<0>               LOC=W3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<1>              LOC=W1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<2>              LOC=U3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<3>              LOC=T1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<4>              LOC=Y2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<5>              LOC=V2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<6>              LOC=U1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<7>              LOC=T2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<8>              LOC=T4  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<9>              LOC=R3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<10>             LOC=M1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<11>             LOC=L1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<12>             LOC=T3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<13>             LOC=R1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<14>             LOC=M2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<15>             LOC=L3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<16>             LOC=K1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<17>             LOC=K2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<18>             LOC=H2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<19>             LOC=G1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<20>             LOC=M5  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<21>             LOC=J3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddq<22>             LOC=H1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<23>             LOC=G3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<24>             LOC=F1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<25>             LOC=E1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<26>             LOC=C3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<27>             LOC=B2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<28>             LOC=F3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<29>             LOC=F2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<30>             LOC=C1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<31>             LOC=B1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddq<32>             LOC=C22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<33>             LOC=C20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<34>             LOC=E20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<35>             LOC=F22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<36>             LOC=C19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<37>             LOC=D21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<38>             LOC=E22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<39>             LOC=F21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<40>             LOC=G22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<41>             LOC=H21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<42>             LOC=J20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<43>             LOC=K21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<44>             LOC=F20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<45>             LOC=G20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddq<46>             LOC=J22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<47>             LOC=K22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<48>             LOC=L20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<49>             LOC=M21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<50>             LOC=P21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<51>             LOC=R22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<52>             LOC=L22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<53>             LOC=M22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<54>             LOC=P22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<55>             LOC=R20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<56>             LOC=T22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<57>             LOC=U20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<58>             LOC=V21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<59>             LOC=W22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<60>             LOC=P19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<61>             LOC=T21 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<62>             LOC=V22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddq<63>             LOC=W20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB

Net dqsp<0>              LOC=U4  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net dqsp<1>             LOC=N1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net dqsp<2>             LOC=H3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net dqsp<3>             LOC=D2  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net dqsp<4>             LOC=D19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net dqsp<5>             LOC=J19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net dqsp<6>             LOC=N20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net dqsp<7>             LOC=T19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB

Net dqsn<0>              LOC=V3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net dqsn<1>             LOC=N3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net dqsn<2>             LOC=H4  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net dqsn<3>             LOC=D1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net dqsn<4>             LOC=D20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net dqsn<5>             LOC=H20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net dqsn<6>             LOC=N22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net dqsn<7>             LOC=T20 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB

#
# DM signals are outputs during writes and tristated at both ends during reads.  We use parallel
# termination during reads on the assumption that it is better for the DM PCB traces not to float.
# It probably is not necessary, but it does not hurt.
#
Net ddm<0>               LOC=V1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddm<1>              LOC=P1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddm<2>              LOC=J1  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LB
Net ddm<3>              LOC=E3  |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#LT
Net ddm<4>              LOC=D22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddm<5>              LOC=H22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RT
Net ddm<6>              LOC=M19 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB
Net ddm<7>              LOC=U22 |       IOSTANDARD=SSTL15_II    |       IN_TERM=UNTUNED_SPLIT_50        |       OUT_TERM=UNTUNED_25;#RB

Net da<0>                LOC=G19 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net da<1>               LOC=A21 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net da<2>               LOC=A20 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net da<3>               LOC=A2  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<4>               LOC=H8  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<5>               LOC=G6  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<6>               LOC=F5  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<7>               LOC=G4  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<8>               LOC=H6  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<9>               LOC=J7  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<10>              LOC=H19 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net da<11>              LOC=H5  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<12>              LOC=J6  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<13>              LOC=M20 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RB
Net da<14>              LOC=K4  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net da<15>              LOC=K3  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT

Net dba<0>               LOC=J17 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net dba<1>              LOC=H18 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net dba<2>              LOC=J4  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT

Net dcmd<2>             LOC=K17 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT # RAS
Net dcmd<1>             LOC=K18 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RB # CAS
Net dcmd<0>              LOC=K20 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT # WE

Net dce<0>               LOC=K5  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT
Net dce<1>              LOC=K6  |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#LT

Net dcs<0>               LOC=K19 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net dcs<1>              LOC=L17 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RB

Net dckp<0>              LOC=F18 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net dckp<1>             LOC=B21 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT 

Net dckn<0>              LOC=F19 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT
Net dckn<1>             LOC=B22 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RT

Net dodt<0>              LOC=L19 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RB
Net dodt<1>             LOC=P20 |       IOSTANDARD=SSTL15_II    |       OUT_TERM=UNTUNED_25;#RB
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[/] [ddr3_sdram/] [trunk/] [system.ucf] - Rev 3
