S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
Released
Register 0x0D9, 0x1D9, 0x2D9, 0x3D9, 0x4D9, 0x5D9, 0x6D9, 0x7D9:
WANS Reference Period LSB
Bit
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Function
REFPER[7]
REFPER[6]
REFPER[5]
REFPER[4]
REFPER[3]
REFPER[2]
REFPER[1]
REFPER[0]
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
0
0
0
Register 0x0DA, 0x1DA, 0x2DA, 0x3DA, 0x4DA, 0x5DA, 0x6DA, 0x7DA:
WANS Reference Period MSB
Bit
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
REFPER[15]
REFPER[14]
REFPER[13]
REFPER[12]
REFPER[11]
REFPER[10]
REFPER[9]
REFPER[8]
0
0
0
0
0
0
0
0
REFPER[15:0]:
The Reference Period REFPER[15:0] bits are used to program the timing reference period
of the Phase Detector. These bits are used to set the end of count of the Reference Period
Counter. The Reference Period Counter is reset on the next clock cycle following the
detection of its end of count. The Reference Period Counter counts (Nref) is equal to the
REFPER value plus 1.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC- 2010299, Issue 2
278