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PM5344 Datasheet(PDF) 83 Page - PMC-Sierra, Inc

Part # PM5344
Description  SONET/SDH PATH TERMINATING TRANSCEIVER TELECOM
PDF  212 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM5344 Datasheet(HTML) 83 Page - PMC-Sierra, Inc

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PM5344 SPTX
DATA SHEET
PMC-930531
ISSUE 6
SONET/SDH PATH TERMINATING TRANSCEIVER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
69
Register 16H, 56H, 96H: RPOP Pointer MSB
Bit
Type
Function
Default
Bit 7
Unused
X
Bit 6
Unused
X
Bit 5
Unused
X
Bit 4
R
CONCAT
X
Bit 3
R
S1
X
Bit 2
R
S0
X
Bit 1
R
PTR9
X
Bit 0
R
PTR8
X
This register reports the upper two bits of the active offset, the SS bits in the
receive pointer.
PTR9 - PTR8:
The PTR9 - PTR8 bits contain the two MSBs of the current pointer value as
derived from the H1 and H2 bytes. Thus, to ensure reading a valid pointer, the
NDFI, NSEI and PSEI bits of the Pointer Interrupt Status register should be
read before and after reading this register to ensure that the pointer value did
not changed during the register read.
S0, S1:
The S0 and S1 bits contain the two S bits received in the last H1 byte.These
bits should be software debounced.
CONCAT:
The CONCAT bit is set high if the H1, H2 pointer byte received matches the
concatenation indication (one of the five NDF_enable patterns in the NDF
field, don't care in the size field, and all-ones in the pointer offset field).



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