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Am186™CC Microcontroller Router Reference Design Users Manual
2-31
Bit 7 is the TIP bit. It indicates that the TIP board is installed and available for use.
Bits 6-4 are 0 and reserved for future use.
Bits 3-0 are the Board Configuration Bits. They identify a population
configuration (option) for the board. Each reference design has its own
configuration assignments. D0 and D2 are populated by R100 and R98
respectively (at location L-7) to set the board configuration at 0101 binary. See
Table 2-10 for the Am186CC microcontroller router reference design’s board
configuration bit assignments.
Table 2-10. Router Board Configuration Bit Assignments
Board Configuration Bits (3-0) Assignment
0001b ISDN S interface
0010b ISDN U interface
0100b POTS
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