10h–1Fh Register Map Detailed Description
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 525
1Ch: Clock Alignment Control Register (Shadow Register Selector =
“03h”)
14:10 SHADOW REGISTER
SELECTOR
RW
Shadow Register Selector
00010
9
SD status
RO
1= sd input active
0
8
FORCE SD ON
RW
1= force sd on. disable sd pin input
0
7
INVERT SD PIN
RW
1 = invert sd pin
0
6
CFC_INITFILTER
ENABLE
RW
1 = enable cfc_initFilter signal to control clock
gating of 1000t clocks. Do not gate off 1000t
clocks wherever cfiltercntl is initializing the filter.
0
5
USE FILTERED SD
RW
1= enable filter on sd input pin
0
4
100FX MODE COPPER
PATH
RW
1 = enable 100BASE-FX on TRD+/- pins
0 = normal copper operation on MDI pairs
0
3
RESERVED
RW
write as 0, ignore on read
0
2
BICOLOR LINK SPEED
LED MODE
RW
1 = enable Bicolor Link Speed led mode
LINKSPD[1:0] = speed
10 = 1000 base-t
01 = 100 base-t
11 = auto-negotiation, 10 base-t
0
1
LOST TOKEN FIX
DISABLE
RW
When 0, enables lost token fix reset circuits
1
0
LINK LED MODE
RW
1 = enable Link LED mode:
LINKSPD[1:0] = speed
00 = 1000 base-t
01 = 100 base-t
10 = 10 base-t
11 = auto-negotiation
SLAVE = active low link
0 = normal link/slave 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
00011
9
GTXCLK delay bypass
disable (input delay only)
RW
1 = do not bypass gtxclk delay
0 = bypass gtxclk delay
0
8
GMII CLOCK ALIGNMENT
STROBE
RW
Delay value is latched into selected GMII clock
delay line on rising edge of this bit.
0
7
RXCLK ALIGNMENT
STROBE
RW
Delay value is latched into selected RX clock
delay line on rising edge of this bit.
0
Bit
Name
RW
Description
Default