10h–1Fh Register Map Detailed Description
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 528
1Ch: TDR Control 1 Register (Shadow Register Selector = “06h”
1Ch: TDR Control 2 Register (Shadow Register Selector = “07h”)
0
CLK125 OUTPUT
ENABLE
RW
1 = enable CLK125 output
0 = disable CLK125 output
1
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
00110
9
SPARE
RW
write as 0, ignore on read
0
8
TDR LINK TIME OUT
R
tdr linkpulse time out status
0
7:5
TEST PULSE SIZE
RW
size of test pulse in increments of 8 ns. minimum
value = 1.
001
4:3
TX CHANNEL SEL
RW
channel to transmit test pulse
00
2:1
RX CHANNEL SEL
RW
channel to receive test data
00
0
TDR START/DONE
RW
SC
write:
1: tdr start. self clearing
read:
1: tdr done status
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
00111
9:8
SPARE
RW
write as 0, ignore on read
00
7
PHASE STATUS
R
phase status
0
6
PHASE STATUS CLEAR
RW
1: clear phase status on bit 7
0
5
FASTTIMERS
RW
1: enable fasttimers
0
4
FEXT
RW
1: enable fext mode
0: disable fext mode
0
3
MASTER
RW
1: master mode
0: slave mode
0
2
EXTERNAL PHY NO
AUTO-NEG
RW
1: tdr test with external phy without auto-
negotiation
0: tdr test with external phy with auto-
negotiation
0
(Cont.)
Bit
Name
RW
Description
Default