參數(shù)資料
型號： IDT88K8483BRI
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 26/162頁
文件大?。?/td> 0K
描述： IC SPI-4 EXCHANGE 3PORT 672-BGA
標準包裝： 24
系列： *
其它名稱： 88K8483BRI
121 of 162
October 20, 2006
IDT IDT88K8483
PFP Packet Length Thresholds
There are 64 registers in this table, one for each LID.
PFP Queue Diagnose Table
There are 64 registers in this table, one for each LP.
PFP Packet Diagnose Table
There are 64 registers in this table, one for each LID.
Field
Read /
Write
Bits
Length Reset
State
Description
LEN_MIN
R/W
0:0-0:7
8
0x40
Used to configure the minimum packet length that the PFP is expected to receive. If
the packet length is less than LEN_MIN, then the event is detected by the PFP and
forwarded to PMON. The value in LEN_MIN does not affect the behavior of the data
path and is only intended for diagnostics purposes.
Reserved
R/W
1:0-1:7
8
0
LEN_MAX
R/W
2:0-3:5
14
0x5EE
Used to configure the maximum packet length that the PFP is expected to receive. If
the packet length is greater than LEN_MAX, then the event is detected by PFP and
forwarded to PMON. The value in LEN_MAX does not affect the behavior of the
data path and is only intended for diagnostics purposes.
Table 95 PFP Packet Length Thresholds
(Block Base=0x1100/0x1900, Register Offset=0x00-03F)
Field
Read /
Write
Bits
Length Reset
State
Description
UNIT
R/W
0:0-1:1
10
0
The number of units waiting in the PFP queue for transfer to the egress
interface. A unit corresponds to a packet or packet fragment, depending on the
value of PRT_MODE in Table 101
Reserved
R
1:2-2:3
10
0
READ_POINTER
R/W
2:4-3:7
12
0
The value in this field indicates the circular queue read pointer position.
Table 96 PFP Queue Diagnose Table (Block Base=0x1200/0x1A00, Register Offset=0x00-0x3F)
Field
Read /
Write
Bits
Length Reset
State
Description
PKT_NUM
R/W
0:0-1:1
10
0
Indicates the number of packets stored in the PFP segmented buffer.
Table 97 PFP Packet Diagnose Table
(Block Base=0x1300/0x1B00, Register Offset=0x00-03F)
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IDT88P8341BHGI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
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