PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 251
PM5381-BI
Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5381-BI.pdf
(586 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
Indirect Register 00H: RHPP Pointer Interpreter Configuration
The SS bits enable (SSEN) bit selects whether or not the SS bits are taken into account in the
pointer interpreter state machine. When SSEN is set to logic 1, the SS bits must be set to 10 for a
valid NORM_POINT, NDF_ENABLE, INC_IND, DEC_IND or NEW_POINT indication. When
SSEN is set to logic 0, the SS bits are ignored.
JUST3DIS
RELAYPAIS
All Reserved bits must be set to their default values for proper operation.SSEN
Bit
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The “justification more than 3 frames ago disable” (JUST3DIS) bit selects whether or not the
NDF_ENABLE, INC_IND or DEC_IND pointer justifications must be more than 3 frames
apart to be considered valid. When JUST3DIS is set to logic 0, the previous NDF_ENABLE,
INC_IND or DEC_IND indication must be more than 3 frames ago or the present
NDF_ENABLE, INC_IND or DEC_IND indication is considered an INV_POINT indication.
When JUST3DIS is set to logic 1, NDF_ENABLE, INC_IND or DEC_IND indication can be
every frame.
The relay path AIS (RELAYPAIS) bit selects the condition to enter the path AIS state in the
pointer interpreter state machine. When RELAYPAIS is set to logic 1, the path AIS state is
entered with 1 X AIS_ind indication. When RELAYPAIS is set to logic 0, the path AIS state
is entered with 3 X AIS_ind indications. This configuration bit also affects the concatenation
pointer interpreter state machine.
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Function
Unused
Unused
Unused
Unused
Unused
Unused
Unused
Unused
Reserved
Reserved
NDFCNT
INVCNT
RELAYPAIS
JUST3DIS
SSEN
Unused
Default
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
S/UNI-2488 Telecom Standard Product Datasheet
Released
251
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