10h–1Fh Register Map Detailed Description
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 538
1Ch: Auxiliary 1000-X Control Register (Shadow Register Selector =
“1bh”)
0
AN_ENABLE STATE
RO
LH
1 = an_enable state entered since last read
0 = an_enable state has not been entered since
last read
0
Bit
Name
RW
Description
Default
15
WRITE ENABLE
RW
1 = write bits [9:0]
0 = read bits [9:0]
0
14:10 SHADOW REGISTER
SELECTOR
RW
Shadow Register Selector
11011
9
USE SERDES MODE
COUNTERS
RW
1 = use registers 12-14h for SerDes data
0 = normal operation
0
8
AUTONEG FAST
TIMERS
RW
1 = speed up link_timer for test vectors
(1.6 us SGMII; 9.84 us IEEE)
0 = normal operation
0
7
JAM FALSE CARRIER
MODE
RW
1 = Transmit packet on SerDes pins with txen,
txer, txd=55h for duration of false carrier
received on copper pins in SGMII/GBIC half-
duplex mode.
0 = ignore false carriers in SGMII/GBIC mode
1
6
DISABLE CARRIER
EXTEND
RW
1 = force rxer, rxd to zeros in TRR+extend state
(pcs receive state)
0 = normal operation
0
5
DISABLE TRRR
RW
1 = bypass extend_by_1 state (pcs transmit
state)
0 = normal operation
0
4
DISABLE REMOTE
FAULT SENSING
RW
1 = disable automatic remote fault sensing of
autoneg resolution errors and offline errors.
(offline errors occur in GBIC mode when the
copper link is down)
0 = normal operation
0
3
AUTONEG ERROR
TIMER ENABLE
RW
1 = enable autoneg error timer (error state
entered when error timer expires in
ability_detect, acknowledge_detect, or
idle_detect state)
0 = normal operation
0
2
COMMA DETECT
ENABLE
RW
1 = enable comma detection
0 = disable comma detection
1
Bit
Name
RW
Description
Default