Broadcom NetXtreme/NetLink BCM5718 Series

10h–1Fh Register Map Detailed DescriptionBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 529
1Ch: LED Status Register (Shadow Register Selector = “08h”)
1Ch: Led Control Register (Shadow Register Selector = “09h”)
1 EXTERNAL PHY RW 1: tdr test with external phy
0: tdr test as stand-alone phy
0
0 TDR MODE ENABLE RW 1: enable tdr mode
0: disable tdr mode
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 01000
9 RESERVED RO ignore on read 0
8 SLAVE_N RO (active low) –
7 FDXLED_N RO (active low) –
6 INTR_N RO (active low) –
5 SPARE RO ignore on read –
4:3 LINKSPD_N RO 11: no link
10: 10bt link
01: 100tx link
00: 1000t link
–
2 TRANSMIT LED RO (active low) –
1 RECEIVE LED RO (active low) –
0 QUALITY LED RO (active low) –
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 01001
9 Collision blink led mode RW 1 = blink fdxled when collision occurs
0 = fdxled indicates duplex status only
0
8 Activity link led MSB RW See description for bit 4 below. 0
7 SPARE RW write as 0, ignore on read 0
6 external_serdes_inuse
led mode
RW 1= drive transmit led low when external SerDes
is selected, inactive when not selected
0= normal operation
0
Bit Name RW Description Default