PM5380-BI PMC-Sierra, Inc., PM5380-BI Datasheet - Page 244
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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 0x096, 0x196, 0x296, 0x396, 0x496, 0x596, 0x696, 0x796:
RCNT[23:0]:
Receive Cell/Packet Counter MSB
The RCNT[23:0] bits indicate the number of cells or packets received during the last
accumulation interval. When the channel is configured for ATM traffic, the number of valid
received ATM cells are counted. When the channel is configured for packet trace, the
number of end of packets are counted.
This counter exists after the RXCP/RXFP FIFO allowing it to count the number of actual
received items. Since the RUL3 does not drop cells or packet information, RCNT[23:0]
supplies an accurate count. However, when compared to the performance counters in
RXCP/RXFP, RCNT[23:0] may differ slightly due to the number of items stored in the
RXCP/RXFP FIFO.
The count is polled by writing to the S/UNI-8x155 Master Reset and Identity register
(0x000). Writing to register address 0x000 loads all counter registers in all channels and
APS links.
The count can also be polled by writing to the channel Master Interrupt Status register
(offset 0x07). Writing to register offset 0x07 loads all counter registers in the RSOP, RLOP,
RPOP, SPTB, SSTB, RXCP, TXCP, RXFP, and TXFP blocks of the channel.
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Type
R
R
R
R
R
R
R
R
Function
RCNT[23]
RCNT[22]
RCNT[21]
RCNT[20]
RCNT[19]
RCNT[18]
RCNT[17]
RCNT[16]
S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
Default
X
X
X
X
X
X
X
X
Released
244
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