參數(shù)資料
型號(hào): KSZ8842-PMBL
廠商: Micrel Inc
文件頁(yè)數(shù): 115/119頁(yè)
文件大小: 0K
描述: IC ETHERNT SW 2PORT PCI 100LFBGA
特色產(chǎn)品: Micrel Drives Ethernet Into the Global Automotive World
標(biāo)準(zhǔn)包裝: 260
控制器類型: 以太網(wǎng)開(kāi)關(guān)控制器
接口: PCI
電源電壓: 3.1 V ~ 3.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 100-LFBGA
供應(yīng)商設(shè)備封裝: 100-LFBGA
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 1081 (CN2011-ZH PDF)
配用: 576-1636-ND - BOARD EVALUATION KSZ8842-PMQL
其它名稱: 576-3089
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Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
95
M9999-100207-1.5
Bit
Default
R/W
Description
Is the same as:
0
RO
Partner 10BT half duplex capability
1 = link partner 10Base-T half duplex capable
0 = link partner not 10Base-T half duplex capable
P2ANLPR, bit 5
Port 2 Reserved (Offset 0x0536 – 0x053A)
This register is reserved.
Bit
Default
R/W
Description
15 – 0
0x0000
RO
Reserved
Host Control Register 1 (Offset 0x0540): P3CR1
This register contains the global per port control for the switch host port function.
Bit
Default
R/W
Description
15 – 8
0x00
RO
Reserved
7
0
RW
Broadcast storm protection enable
1 = enable broadcast storm protection for ingress packets on the port
0 = disable broadcast storm protection
6
0
RW
Diffserv priority classification enable
1 = enable diffserv priority classification for ingress packets on port
0 = disable diffserv function
5
0
RW
802.1p priority classification enable
1 = enable 802.1p priority classification for ingress packets on port
0 = disable 802.1p
4 – 3
00
RW
Port based priority classification
00 = ingress packets on port 1 will be classified as priority 0 queue if
“Diffserv” or “802.1p” classification is not enabled or fails to classify.
01 = ingress packets on port 1 will be classified as priority 1 queue if
“Diffserv” or “802.1p” classification is not enabled or fails to classify.
10 = ingress packets on port 1 will be classified as priority 2 queue if
“Diffserv” or “802.1p” classification is not enabled or fails to classify.
11 = ingress packets on port 1 will be classified as priority 3 queue if
“Diffserv” or “802.1p” classification is not enabled or fails to classify.
Note: “Diffserv”, “802.1p” and port priority can be enabled at the same
time. The OR’ed result of 802.1p and DSCP overwrites the port priority.
2
0
RW
Tag insertion
1 = when packets are output on the port, the switch will add 802.1p/q tags
to packets without 802.1p/q tags when received. The switch will not add
tags to packets already tagged. The tag inserted is the ingress port’s “port
VID”.
0 = disable tag insertion
1
0
RW
Tag removal
1 = when packets are output on the port, the switch will remove 802.1p/q
tags from packets with 802.1p/q tags when received. The switch will not
modify packets received without tags.
0 = disable tag removal
0
RW
TX Multiple Queues Select Enable
1 = the port output queue is split into fourpriority queues.
0 = single output queue on the port. There is no priority differentiation
even though packets are classified into high or low priority.
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KSZ8842-PMBL AM 功能描述:以太網(wǎng) IC 2-Port Ethernet Switch/Repeater + 32-bit/33MHz PCI bus interface(Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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