10h–1Fh Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 508
10h–1Fh Register Map Detailed Description
10h: PHY_Extended_Control_Register
Bit Name RW Default Description
15 MAC_PHY_INTERFACE_MODE RW 0 1 = 10B interface mode
0 = GMII mode
14 DISABLE_AUTOMATIC_MDI_
CROSSOVER
RW 0 1 = automatic MDI crossover
disabled
0 = automatic MDI crossover
enabled
13 TRANSMIT_DISABLE RW 0 1 = force transmit output to high
impedance
0 = normal operation
12 INTERRUPT_DISABLE RW 0 1 = interrupts disabled
0 = interrupts enabled
11 FORCE_INTERRUPT RW 0 1 = force interrupt status to
“active”
0 = normal interrupt operation
10 BYPASS_ENCODER RW 0 1 = bypass 4B5B encoder and
decoder
0 = normal operation
9 BYPASS_SCRAMBLER RW 0 1 = bypass scrambler and
descrambler
0 = normal operation
8 BYPASS_NRZI_MLT3 RW 0 1 = bypass NRZI/MLT3 encoder
and decoder
0 = normal operation
7 BYPASS_ALIGNMENT RW 0 1 = bypass receive symbol
alignment
0 = normal operation
6 RESET_SCRAMBLER RW
SC
0 1 = reset scrambler to all 1’s
state
0 = normal scrambler operation
5 ENABLE_LED_TRAFFIC_MODE RW 0 1 = LED traffic mode enabled
0 = LED traffic mode disabled
4 FORCE_LEDS_ON RW 0 1 = force all LED’s into “ON”
state
0 = normal LED operation
3 FORCE_LEDS_OFF RW 0 1 = force all LED’s into “OFF”
state
0 = normal LED operation