PM5380-BI PMC-Sierra, Inc., PM5380-BI Datasheet - Page 196
PM5380-BI
Manufacturer Part Number
PM5380-BI
Description
Network Interface, SATURN User Network Interface (8x155) Telecom Standard Product
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5380-BI.pdf
(440 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC- 2010299, Issue 2
Register 0x046, 0x146, 0x246, 0x346, 0x446, 0x546, 0x646, 0x746:
This register allows an arbitrary pointer to be inserted for diagnostic purposes.
APTR[9:8]:
S[1:0]:
NDF[3:0]:
TPOP Arbitrary Pointer MSB
The APTR[9:8] bits, along with the APTR[7:0] bits in the TPOP Arbitrary Pointer LSB
Register are used to set an arbitrary payload pointer value. The arbitrary pointer value is
inserted in the outgoing stream by writing a logic one to the PLD bit in the TPOP Pointer
Control Register.
If the FTPTR bit in the TPOP Pointer Control register is a logic one, the current APTR[9:0]
value is inserted into the payload pointer bytes (H1 and H2) in the transmit stream.
Configuring the APS interface (setting PROCM high or TXEN high) while the pointer value
is 522, will cause downstream logic to improperly process the SONET stream. In general, a
downstream loss of pointer (LOP) and/or line BIP errors will occur.
A pointer value of 522 can be used if the APS connection is configured (either created or
removed) first with TPOP set to a non-522 value. After the APS link configuration, the
pointer value can be configured to 522.
The S[1:0] bits contain the value inserted in the S[1:0] bit positions (also referred to as the
unused bits) in the payload pointer. These bits are continuously inserted into the transmit
stream.
The NDF[3:0] bits contain the value inserted in the NDF bit positions when an arbitrary
new payload pointer value is inserted (using the PLD bit in the TPOP Pointer Control
Register) or when new data flag generation is enabled using the NDF bit in the TPOP
Pointer Control Register.
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Function
NDF[3]
NDF[2]
NDF[1]
NDF[0]
S[1]
S[0]
APTR[9]
APTR[8]
S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
Default
1
0
0
1
1
0
0
0
Released
196
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