PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 304
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
Register 0603H, 0623H, 0643H, 0663H: SVCA Positive Justification Interrupt Status
In the XCONNECT mode of operation of the S/UNI-2488, the PPJI[12:1] register bits are defined
as follows:
PPJI[12:1]
PPJI[1]
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 positive pointer justification interrupt status (PPJI[12:1]) bits are event indicators for
STS-1/STM-0 paths #1 to #12. PPJI[12:1] are set to logic 1 to indicate a positive pointer
justification event in the outgoing data stream. These interrupt status bits are independent of
the interrupt enable bits. If WCIMODE is set to logic 1, only over-writing with a ‘1’ clears
this bit. If WCIMODE is set to logic 0, then a read of this register automatically clears this
bit.
In the normal mode of operation of the S/UNI-2488 only the first register address (0603H) is
used. The PPJI[12:2] register bits are unused in normal mode and the PPJI[1] register bit is
defined as follows:
The positive pointer justification interrupt status (PPJI[1]) bit indicates a positive pointer
adjustment in the STS-48c/STM-4-4c stream. PPJI[1] is set to logic 1 to indicate a positive
pointer justification event in the outgoing data stream. This interrupt status bit is independent
of the interrupt enable bit. If WCIMODE is set to logic 1, only over-writing with a ‘1’ clears
this bit. If WCIMODE is set to logic 0, then a read of this register automatically clears this
bit.
Type
R
R
R
R
R
R
R
R
R
R
R
R
Function
Unused
Unused
Unused
Unused
PPJI[12]
PPJI[11]
PPJI[10]
PPJI[9]
PPJI[8]
PPJI[7]
PPJI[6]
PPJI[5]
PPJI[4]
PPJI[3]
PPJI[2]
PPJI[1]
Default
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
S/UNI-2488 Telecom Standard Product Datasheet
Released
304
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