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author | Matt Ettus <matt@ettus.com> | 2010-10-21 13:10:28 -0700 |
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committer | Matt Ettus <matt@ettus.com> | 2010-10-21 13:10:28 -0700 |
commit | cd0f9cf58a87866d27ece0a47f85896a9f3ff705 (patch) | |
tree | ae3367a79edf1ae17c3de2d727d74017050e6a73 | |
parent | c32f4fbc8973633280249399d5d5a937ef0f1f3e (diff) | |
download | uhd-cd0f9cf58a87866d27ece0a47f85896a9f3ff705.tar.gz uhd-cd0f9cf58a87866d27ece0a47f85896a9f3ff705.tar.bz2 uhd-cd0f9cf58a87866d27ece0a47f85896a9f3ff705.zip |
slow slew rate and lower drive to 8ma on RAM_XX signals to reduce emi
-rw-r--r-- | usrp2/top/u2_rev3/u2_rev3.ucf | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/usrp2/top/u2_rev3/u2_rev3.ucf b/usrp2/top/u2_rev3/u2_rev3.ucf index 6e0caedd5..deaeecb53 100644 --- a/usrp2/top/u2_rev3/u2_rev3.ucf +++ b/usrp2/top/u2_rev3/u2_rev3.ucf @@ -74,49 +74,49 @@ NET "MDC" LOC = "V18" ; NET "PHY_INTn" LOC = "AB13" ; NET "PHY_RESETn" LOC = "AA19" ; NET "PHY_CLK" LOC = "V15" ; -NET "RAM_D[0]" LOC = "N20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[1]" LOC = "N21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[2]" LOC = "N22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[3]" LOC = "M17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[4]" LOC = "M18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[5]" LOC = "M19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[6]" LOC = "M20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[7]" LOC = "M21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[8]" LOC = "M22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[9]" LOC = "Y22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[10]" LOC = "Y21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[11]" LOC = "Y20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[12]" LOC = "Y19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[13]" LOC = "W22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[14]" LOC = "W21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[15]" LOC = "W20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[16]" LOC = "W19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_D[17]" LOC = "V22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[0]" LOC = "U21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[1]" LOC = "T19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[2]" LOC = "V21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[3]" LOC = "V20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[4]" LOC = "T20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[5]" LOC = "T21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[6]" LOC = "T22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[7]" LOC = "T18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[8]" LOC = "R18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[9]" LOC = "P19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[10]" LOC = "P21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[11]" LOC = "P22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[12]" LOC = "N19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[13]" LOC = "N17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[14]" LOC = "N18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[15]" LOC = "T17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[16]" LOC = "U19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[17]" LOC = "U18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_A[18]" LOC = "V19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_CE1n" LOC = "U20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_CENn" LOC = "P18" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_CLK" LOC = "P17" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_WEn" LOC = "R22" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_OEn" LOC = "R21" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; -NET "RAM_LDn" LOC = "R19" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ; +NET "RAM_D[0]" LOC = "N20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[1]" LOC = "N21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[2]" LOC = "N22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[3]" LOC = "M17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[4]" LOC = "M18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[5]" LOC = "M19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[6]" LOC = "M20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[7]" LOC = "M21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[8]" LOC = "M22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[9]" LOC = "Y22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[10]" LOC = "Y21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[11]" LOC = "Y20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[12]" LOC = "Y19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[13]" LOC = "W22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[14]" LOC = "W21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[15]" LOC = "W20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[16]" LOC = "W19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_D[17]" LOC = "V22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[0]" LOC = "U21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[1]" LOC = "T19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[2]" LOC = "V21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[3]" LOC = "V20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[4]" LOC = "T20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[5]" LOC = "T21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[6]" LOC = "T22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[7]" LOC = "T18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[8]" LOC = "R18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[9]" LOC = "P19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[10]" LOC = "P21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[11]" LOC = "P22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[12]" LOC = "N19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[13]" LOC = "N17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[14]" LOC = "N18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[15]" LOC = "T17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[16]" LOC = "U19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[17]" LOC = "U18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_A[18]" LOC = "V19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_CE1n" LOC = "U20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_CENn" LOC = "P18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_CLK" LOC = "P17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_WEn" LOC = "R22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_OEn" LOC = "R21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; +NET "RAM_LDn" LOC = "R19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = SLOW ; NET "ser_enable" LOC = "W11" ; NET "ser_prbsen" LOC = "AA3" ; NET "ser_loopen" LOC = "Y4" ; |