00h–0Fh 10/100/1000T Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 503
05h: Auto_Negot_Link_Partner_Ability_Base_Pg_Register
06h: Auto_Negot_Expansion_Register
5 10BASET_HALF_DUPLE
X_CAPABLE
RW 1 1 = 10BASE-T half duplex capable
0 = not 10BASE-T half duplex capable
4:0 PROTOCOL_SELECT RW 00001 00001 = IEEE 802.3 CSMA/CD
Bit Name RW Default Description
15 NEXT_PAGE RO 0 1 = link partner is next page able
0 = link partner is not next page able
14 ACKNOWLEDGE1 RO 0 1 = link partner has received link code word
0 = link partner has not received link code word
13 REMOTE_FAULT RO* 0 1 = link partner has detected remote fault
0 = link partner has not detected remote fault
12 RESERVED RO* 0 write as 0, ignore on read
11 LINK_PARTNER_ASYMMET
RIC_PAUSE
RO* 0 link partner’s asymmetric pause bit
10 PAUSE_CAPABLE RO* 0 1 = link partner is capable of Pause operation
0 = link partner not capable of Pause operation
9 100BASE_T4_CAPABLE RO* 0 1 = link partner is 100BASE-T4 capable
0 = link partner is not 100BASE-T4 capable
8 100BASE_TX_FULL_DUPLE
X_
CAPABLE
RO* 0 1 = link partner is 100BASE-TX full duplex capable
0 = link partner is not 100BASE-TX full duplex capable
7 100BASE_TX_HALF_DUPLE
X_CAPABLE
RO* 0 1 = link partner is 100BASE-TX half duplex capable
0 = link partner is not 100BASE-TX half duplex capable
6 10BASE_T_FULL_DUPLEX_
CAPABLE
RO* 0 1 = link partner is 10BASE-T full duplex capable
0 = link partner is not 10BASE-T full duplex capable
5 10BASE_T_HALF_DUPLEX_
CAPABLE
RO* 0 1 = link partner is 10BASE-T half duplex capable
0 = link partner is not 10BASE-T half duplex capable
4:0 PROTOCOL_SELECTOR RO* 00000 link partner’s protocol selector (see IEEE spec for
encoding)
* RW when “writeable link partner ability test mode” (reg 1Fh bit 10) is set
Bit Name RW Default Description
15:7 RESERVED RO 000h ignore on read
(Cont.)
Bit Name RW Default Description
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