參數(shù)資料
型號(hào)： IDT88P8344
廠商： Integrated Device Technology, Inc.
英文描述： SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.0
中文描述： SPI交換4 ×的SPI - 3至SPI - 4期1.0
文件頁(yè)數(shù)： 61/98頁(yè)
文件大?。?/td> 601K
代理商： IDT88P8344
61
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
INDUSTRIAL TEMPERATURE RANGE
APRIL 10, 2006
Performance monitor counters
Two categories of events are captured: LID and non LID associated events.
If at least one event is captured in one of the interrupt indication registers, an active
PMON service request is directed towards the interrupt module.
All events and diagnostics data are accumulated during an interval defined
by the
time base event.
The data accumulated during the previous time period
can be accessed by the indirect access scheme. The counters are cleared when
the time base expires. All counters are saturating, and will not overflow.
9.3.5 Block base 0x0A00 registers
LID associated event counters (Block_base
0x0A00 + Register_offset 0x000 to 0x17F)
TABLE 60 - LID ASSOCIATED EVENT COUNTERS
(0x000-0x17F)
Offset
Counter
Counter
length (bits)
24
24
24
24
24
24
LID*6+0 SPI-3 ingress good packet counter
LID*6+1 SPI-3 ingress bad packet counter(error tagged)
LID*6+2 SPI-4 ingress good packet counter
LID*6+3 SPI-4 ingress bad packet counter(abort)
LID*6+4 SPI-3 egress packet counter
LID*6+5 SPI-4 egress packet counter
A set of event counters is provided for each of the 64 LIDs on each SPI-3
interface and for each LID to or froma SPI-4 module. LID associated event
counters keep track of packets, packets not delineated by an SOP and an EOP,
or error-tagged packets.
TABLE 61 - NON LID ASSOCIATED EVENT COUNTERS (0x00 - 0x0B)
Offset
Counters
0x00
SPI-3 ingress bytes
Subject to accumulation
All bytes of transfers for active SPI-3 (excluding
address parity error) individual for A/B/C/D
All transfers for active SPI-3
SPI-3 ingress packets longer than MAX_LENGTH
SPI-3 ingress packets shorter than MIN_LENGTH
Width
29
0x01
0x02
0x03
0x04
0x05
0x06
SPI-3 ingress transfers
PFP3-4 ingress too long packet
PFP3-4 ingress too short packet
SPI-3 ingress error tagged packet Parity error on SPI-3 ingress
Reserved
SPI-4 ingress bytes
26
8
8
8
8
29
All bytes of transfers for SPI-4, individual for
modules A/B/C/D
All transfers for active SPI-4 for A and B and C and
D, same value in A, B, C, D
SPI-4 ingress packets longer than MAX_LENGTH
SPI-4 ingress packets shorter than MIN_LENGTH
0x07
SPI-4 ingress transfers
26
0x08
0x09
0x0A
0x0B
Non LID Associated Event Counters are associated with SPI-3 and SPI-4 physical interfaces. The register offset is shown
in the Offset column.
PFP4-3 ingress too long packet
PFP4-3 ingress too short packet
SPI-4 ingress error tagged packet DIP-4 error on ingress
Reserved
8
8
8
8
Non LID associated event counters (Block_base 0x0C00 + Register_offset 0x00
to 0x0B)
9.3.6 Block base 0x0C00 registers
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