Maxim Integrated DS33R11 - Manual (Page 276)

DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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Register Name:
TR.RSCC
Register Description: In-Band Receive Spare Control Register
Register Address: BDh
Bit
# 7 6 5 4 3 2 1 0
Name — — — — — RSC2 RSC1 RSC0
Default 0 0 0 0 0 0 0 0
Bits 3 – 7: Unused, must be set to 0 for proper operation
Bits 0 – 2: Receive Spare Code Length Definition Bits (RSC0 to RSC2)
RSC2 RSC1 RSC0 Length Selected (bits)
0 0 0 1
0 0 1 2
0 1 0 3
0 1 1 4
1 0 0 5
1 0 1 6
1 1 0 7
1 1 1 8/16