Broadcom NetXtreme/NetLink BCM5718 Series

10h–1Fh Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 514
11 10BT TXC INVERT MODE RW 1 = invert TXC output
0 = normal operation
0
10 CLASS A/B LINE DRIVER
SELECT (CLASSB_BT)
RW 1 = select class A line driver
0 = select class B line driver
0
9: JABBER DISABLE RW 1 = Jabber function disabled
0 = Jabber function enabled (half-duplex only)
0
810BT SIGNAL DETECT
AUTOSWITCH
RW 1 = 10BT sigdet threshold auto drops during
receive packets, improves CAT3 cable reach
0 = 10BT sigdet threshold controlled by bit 7
1
7 10 BASE-T SIGNAL
DETECT THRESHOLD
RW 0 = high signal detect threshold
1 = low signal detect threshold
0
6 10BT ECHO MODE RW 1 = echo transmit data to receive data
0 = normal operation
0
5 SQE ENABLE MODE RW 1 = enable SQE
0 = disable SQE
0
4 10BASE-T NO DRIBBLE RW 1 = correct 10BT dribble nibble
0 = normal operation
0
3 10BASE-T POLARITY
ERROR COUNT MAX
RW 1 = 1 polarity error needed for 10BT polarity
swap
0 = 7 polarity errors needed for 10BT polarity
swap
0
2:0 SHADOW REGISTER
SELECTOR
RW Writes to the selected shadow register are
done on a single cycle (no setup required).
Reads are selected by first writing to register
18h, shadow 7, bits 14:12.
001
Bit Name RW Description Default