SNLS638A December 2018 – August 2019 DP83825I
10BTSCR_Register is shown in Table 39.
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Lower Receiver Threshold Enable:
0x0 = Normal 10Base-T operation
0x1 = Enable 10Base-T lower receiver threshold to allow operation with longer cables
Squelch Configuration: Used to set the Peak Squelch 'ON' threshold for the 10Base-T receiver. Starting from 200mV to 600mV, step size of 50mV with some overlapping as shown below:
0x0 = 200mV
0x1 = 250mV
0x2 = 300mV
0x3 = 350mV
0x4 = 400mV
0x5 = 450mV
0x6 = 500mV
0x7 = 550mV
0x8 = 600mV
NLP Transmission Control:
0x0 = Enable transmission of NLPs
0x1 = Disable transmission of NLPs
Polarity Status: This bit is a duplication of bit  in the PHYSTS register (0x0010). Both bits will be cleared upon a read of 10BTSCR register, but not upon a read of the PHYSTS register.
0x0 = Correct Polarity detected
0x1 = Inverted Polarity detected
Jabber Disable: Note: This function is only applicable in 10Base-Te operation.
0x0 = Jabber function enabled
0x1 = Jabber function disabled