DK Board  Reference Designator  Groups
       ----------------------------------------


                                       Initial Rev.   1-Dec-2022
                                       Current Rev.  15-Dec-2023


    Ref Desig
      Range           DK Board Function
  -------------     ---------------------------

      1 :  299       FPGA/CPU Associated

    301 :  399       DDR4 FPGA Memory
    401 :  499       DDR4  CPU Memory

    601 :  699       PMT ADC

    701 :  849       PMT Analog Input

    851 :  899       Environmental Sensors

    901 :  999       Timing Generator

   1001 : 1049       RS-485 Recsue uProcessor

   1051 : 1099       USB Phy

   1101 : 1149       BB Audio ADC

   1151 : 1199       Startup and Reset Circuits

   1201 : 1249       Boot Memory CPU
   1251 : 1299       Boot Memory FPGA

   1301 : 1349       - empty-

   1351 : 1399       FPGA/CPU Associated

   1401 : 1449       Access Connector and JTAG to the FPGA/CPU

   1451 : 1499       Interposer Interface

   1501 : 1549       Crystal Oscillators

   1551 : 1599       Barnacle Interface

   1601 : 1649       SFP Modules  &  CPU SPI Controller #0 Fan-Out

   1651 : 1699       Power Input Supply and Filters

   1701 : 1729       DCDC1  Bulk_1V00   1.00 V   3 A
   1731 : 1759       DCDC2  Bulk_1V05   1.05 V   6 A
   1761 : 1789       DCDC3  Bulk_1V2    1.20 V   6 A
   1791 : 1819       DCDC4  Bulk_1V8    1.80 V   3 A
   1821 : 1849       DCDC5  Bulk_2V5    2.50 V   3 A
   1851 : 1879       DCDC6  Bulk_3V3    3.30 V   3 A

   1921 : 1939       FPGA DDR4 Reference & Terminator Supply
   1941 : 1959       CPU  DDR4 Reference & Terminator Supply

   1971 : 1999       Always ON 3V3 Supply