backup of dram_sdram.erc

ARM7(44b0)开发板原理图和PCB图

Error Report For : Documents\DRAM_SDRAM    11-Feb-2003  22:44:25

 #3 Error   Floating Input Pins On Net A0
Pin DRAM_SDRAM(U4-23 @520,1100)
Pin DRAM_SDRAM(U5-23 @970,1100)

 #6 Error   Floating Input Pins On Net A1
Pin DRAM_SDRAM(U4-24 @520,1090)
Pin DRAM_SDRAM(U5-24 @970,1090)

 #9 Error   Floating Input Pins On Net A2
Pin DRAM_SDRAM(U4-25 @520,1080)
Pin DRAM_SDRAM(U5-25 @970,1080)

 #12 Error   Floating Input Pins On Net A3
Pin DRAM_SDRAM(U4-26 @520,1070)
Pin DRAM_SDRAM(U5-26 @970,1070)

 #15 Error   Floating Input Pins On Net A4
Pin DRAM_SDRAM(U4-29 @520,1060)
Pin DRAM_SDRAM(U5-29 @970,1060)

 #18 Error   Floating Input Pins On Net A5
Pin DRAM_SDRAM(U4-30 @520,1050)
Pin DRAM_SDRAM(U5-30 @970,1050)

 #21 Error   Floating Input Pins On Net A6
Pin DRAM_SDRAM(U4-31 @520,1040)
Pin DRAM_SDRAM(U5-31 @970,1040)

 #24 Error   Floating Input Pins On Net A7
Pin DRAM_SDRAM(U4-32 @520,1030)
Pin DRAM_SDRAM(U5-32 @970,1030)

 #27 Error   Floating Input Pins On Net A8
Pin DRAM_SDRAM(U4-33 @520,1020)
Pin DRAM_SDRAM(U5-33 @970,1020)

 #30 Error   Floating Input Pins On Net A9
Pin DRAM_SDRAM(U4-34 @520,1010)
Pin DRAM_SDRAM(U5-34 @970,1010)

 #33 Error   Floating Input Pins On Net A10
Pin DRAM_SDRAM(U4-22 @520,1000)
Pin DRAM_SDRAM(U5-22 @970,1000)

 #36 Error   Floating Input Pins On Net A11
Pin DRAM_SDRAM(U4-35 @520,990)
Pin DRAM_SDRAM(U5-35 @970,990)

 #37 Warning   Unconnected Input Port On Net N00059
    DRAM_SDRAM A[11:0]

 #38 Warning   Unconnected Input Pin On Net NetU5_20
   DRAM_SDRAM(U5-20 @970,970)

 #40 Error   Floating Input Pins On Net NetU5_20
Pin DRAM_SDRAM(U5-20 @970,970)

 #41 Warning   Unconnected Input Pin On Net NetU5_21
   DRAM_SDRAM(U5-21 @970,960)

 #43 Error   Floating Input Pins On Net NetU5_21
Pin DRAM_SDRAM(U5-21 @970,960)

 #44 Warning   Unconnected Input Pin On Net NetU5_37
   DRAM_SDRAM(U5-37 @970,910)

 #46 Error   Floating Input Pins On Net NetU5_37
Pin DRAM_SDRAM(U5-37 @970,910)

 #47 Warning   Unconnected Input Pin On Net NetU5_38
   DRAM_SDRAM(U5-38 @970,900)

 #49 Error   Floating Input Pins On Net NetU5_38
Pin DRAM_SDRAM(U5-38 @970,900)


End Report