# # CMX-0 Nets File # # DCI and GTX Calibration Resistors # --===-----===============------------- # # # Original Rev. 16-Nov-2012 # Most Recent Rev. 31-Dec-2012 # # # # This file holds the nets for ALL of the # # - DCI Resistors for the 400 Backplane inputs # # - GTX Termination Calibration Resistors # # for both the Base Function and Topological Processor FPGAs. # # # # This net list file includes nets to the following components: # # U1 Base Function FPGA # # U2 Topological Progessor FPGA # # R191:R198 DCI Resistors on the Base Function FPGA # # R199 GTX Termination Calibration Resistor # on the Base Function FPGA # # R200 GTX Termination Calibration Resistor on # on the Topological Processor FPGA # # # # Connect the 8 DCI Resistors # # Recall that the VRN pin is pulled up to VCCO # and that the VRP pin is pulled down to ground. # # These are ?? Ohm resistors. # NET 'P0TO3_DCI_P' R191-1 NET 'GROUND' R191-2 NET 'P0TO3_DCI_N' R192-1 NET 'BULK_2V5' R192-2 NET 'P4TO7_DCI_P' R193-1 NET 'GROUND' R193-2 NET 'P4TO7_DCI_N' R194-1 NET 'BULK_2V5' R194-2 NET 'P8TO11_DCI_P' R195-1 NET 'GROUND' R195-2 NET 'P8TO11_DCI_N' R196-1 NET 'BULK_2V5' R196-2 NET 'P12TO15_DCI_P' R197-1 NET 'GROUND' R197-2 NET 'P12TO15_DCI_N' R198-1 NET 'BULK_2V5' R198-2 # # Connect the GTX Termination Calibration resistor # for the Base Function FPGA # # This is a precision 100 Ohm resistor. # See Chapter 5 page 274 of the # Virtex-6GTX User Guide. # # The other half of these connections is in: # # ..../Base_Fpga_Assign/highspeed_transmitters_fpga_n2r.txt # NET 'BF_MGTRREF' R199-1 # Base Function FPGA MGTRREF pin NET 'BF_GTX_AVTT' R199-2 # Base Function FPGA MGTAVTTRCAL pin # # Connect the GTX Termination Calibration resistor # for the Topological Processor FPGA # # This is a precision 100 Ohm resistor. # See Chapter 5 page 274 of the # Virtex-6GTX User Guide. # # The other half of these connections is in: # # ..../TP_Fpga_Assign/highspeed_receivers_fpga_n2r.txt # NET 'TP_MGTRREF' R200-1 # Topological FPGA MGTRREF pin NET 'TP_GTX_AVTT' R200-2 # Topological FPGA MGTAVTTRCAL pin