1Ah: Interrupt Status Register (Copper Side Only) - Broadcom NetXtreme/NetLink BCM5718 Series Programmer's Manual

BCM5718 Programmer's Guide
Bit Name
6 REMOTE FAULT
5 PAGE RECEIVED
4 LINK PARTNER AUTO-
NEG. ABILITY
3 LINK PARTNER NEXT
PAGE ABILITY
2 LINK STATUS
1 PAUSE RESOLUTION –
RECEIVE DIR
0 PAUSE RESOLUTION –
TRANSMIT DIR
* Indicates the negotiated HCD when auto-negotiation complete = 1. Indicates the manually selected speed
and duplex mode when auto-negotiation enable = 0.

1Ah: Interrupt Status Register (Copper Side Only)

Bit Name
15 IP STATUS CHANGE
(register 1c shadow 5
bit 5 = 0)
SD/ENERGY
DETECT CHANGE
(register 1c shadow 5
bit 5 = 1)
14 ILLEGAL PAIR SWAP
13 MDIX STATUS CHANGE
12 EXCEEDED HIGH
COUNTER THRESH.
11 EXCEEDED LOW
COUNTER THRESH.
10 AUTO-NEG. PAGE RX
9 HCD NO LINK
Broadcom
®
January 29, 2016 • 5718-PG108-R
RW Description
RO 1 = link partner has detected remote fault
0 = link partner has not detected remote fault
RO 1 = new link code word has been received
LH 0 = new link code word has not been received
RO 1 = link partner is auto-negotiation able
0 = link partner is not auto-negotiation able
RO 1 = link partner is next page able
0 = link partner is not next page able
RO 1 = link pass
0 = link fail
RO 1 = enable pause receive
0 = disable pause receive
RO 1 = enable pause transmit
0 = disable pause transmit
RW Description
RO 1 = IP status changed since last read
LH 0 = interrupt cleared
RO 1 = filtered fiber signal detect (via en10b pin)
change or energy detect change since last read
LH
0 = interrupt cleared
RO 1 = Illegal pair swap detected
LH 0 = interrupt cleared
RO 1 = MDIX status changed since last read
(means that linkpulse or carrier was detected on
LH
a different pair than previously detected)
0 = interrupt cleared
RO 1 = value in one or more counters is above 32k
0 = all counters below 32k
RO 1 = value in one or more counters is above 128
0 = all counters below 128
RO 1 = page received since last read
LH 0 = interrupt cleared
RO 1 = negotiated HCD did not establish link
LH 0 = interrupt cleared
10h–1Fh Register Map Detailed Description
Default
0
0
0
0
0
0
0
Default
0
0
0
0
0
0
0
0
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