SerDes PHY Register Definitions
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 570
GE_PRBS_CONTROL
Register Description:
PRBS Control Register. This is to use in PRBS test mode only.
Register Offset:
0x18 (Block 0)
GE_PRBS_STATUS
Register Description:
PRBS Status Register. This is to use in PRBS test mode only.
Register Offset:
0x19 (Block 0)
Bit Number
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
prbs_order inv_pr
bs_or
der
prbs_
en
Table 150: GE_prbs_status
Bit
Name
RW
Description
Default
15:4
Reserved
RO
Reserved
0x0
3:2
Prbs_order
RW
0 = 7th order
1 = 15th order
2 = 23rd order
3 = 31st order
0
1
Inv_prbs_order
RW
Set to invert the polynomial order
0
0
Prbs_en
RW
Set to enable PRBS testing
0
Bit Number
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
Unloc
k
Lock
Prbs_errors
Table 151: GE_prbs_status
Bit
Name
RW
Description
Default
15:13
Reserved
RO
Reserved
0x0
12
Unlock
RO
In PRBS mode, this bit indicates signal is no longer
available or PRBS pattern is loss.
0
11
Lock
RO
In PRBS mode, this indicates PRBS pattern is locked. 0
10:0
Prbs_errors
RO
In PRBS mode, this indicates number of errors detected. 0x0000