IP2022 User’s Manual—Peripherals www.ubicom.com 309 The LFSRA register is loaded to point to a specific LFSR unit and
a  register  pair  within  the  unit.  The  LFSRA   register   has  the
following format: Only 0, 1, 2, and 3 are valid as the UNIT. The valid encodings for
the INDEX are shown in Table 4-14. 7 4 3 0 UNIT3:0 INDEX3:0             Table 4-14  LFSRA Register INDEX Encoding
INDEX3:0 High Byte (LFSRH) Low Byte (LFSRL) 0x0 DATAINH DATAINL 0x1 DATAOUTH DATAOUTL 0x2 FB2 FB1 0x3 LFSRCFG2 RES4 0x4 RES3 RES2 0x5 RES1 RES0 0x6 FB4 FB3 0x7 LFSRCFG3 DOUT 0x8 LFSRCFG1 POLY4 0x9 POLY3 POLY2 0xA POLY1 POLY0 0xB RESCMP3 RESCMP2 0xC RESCMP1 RESCMP0