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參數(shù)資料
| 型號： | KSZ8842-PMQLI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ETHERNET SW 2PORT PCI 128PQFP |
| 標準包裝： | 66 |
| 控制器類型： | 以太網(wǎng)開關(guān)控制器 |
| 接口： | PCI |
| 電源電壓： | 3.1 V ~ 3.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-BFQFP |
| 供應(yīng)商設(shè)備封裝： | 128-PQFP（14x20） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 配用： | 576-1636-ND - BOARD EVALUATION KSZ8842-PMQL |
| 其它名稱： | 576-2121 KSZ8842-PMQLI-ND |
Micrel Semiconductor TEL: 1.408.944.0800 FAX: 1.408.474.1000 HTTP:// www.micrel.com
Benets
In addition to offering all of the features of an integrat-
ed Layer 2 managed switch:
2-port switch with 32 bit/33MHz PCI bus for differ-
ent host processor interfaces
Fully compliant to the IEEE802.3u standard
Repeater mode capabilities to allow for ‘cut-thru’
in latency critical Industrial Ethernet or Embedded
Ethernet applications
Dynamic buffer memory scheme
– Essential for applications such as Video over IP
where image jitter is unacceptable
Micrel LinkMDTM cable diagnostic capabilities to
determine cable length, determine distance to fault,
and to diagnose faulty cables
HP Auto MDIX crossover with disable and enable
option
Industrial temperature support: –40oC to +85oC
Four priority queues to handle voice, video, data,
and control packets
www.micrel.com
Description
The KSZ8842-PMQL is the industry’s rst 2-port switch
with a PCI CPU interface. An Industrial Temperature
grade part, the KSZ8842-PMQLI will also available from
Q1, 2006. The KSZ8842P is a proven, 4th generation,
integrated, fully managed Layer 2 switch that is entirely
compliant to IEEE802.3u standards.
The KSZ8842P can be congured as a low-latency re-
peatertoallowfor‘cutthru’inlatencycriticalEmbeddedor
IndustrialEthernetapplications.Forindustrialautomation
applications, it runs in half-duplex mode.
TheKSZ8842Poffersanextensivefeaturesetthatincludes
tag/port-based VLAN, QoS priority management, MAC
ltering function, MIB counters, and CPU control/data
interfaces to effectively address both current and emerg-
ing Fast Ethernet applications.
The KSZ8842P contains two 10/100 transceivers with
patented mixed-signal low-power technology, two 1K
entry media access control (MAC) units, a separate
DMA channel, a high-speed non-blocking switch fabric,
a dedicated 1K entry forwarding table, and an on-chip
frame buffer memory.
Block Diagram
2-Port Ethernet Switch with
PCI Interface
KSZ8842
Product Brief
PMQL/PMQLI
1K Look-up
Engine
Queue
Management
Buffer
Management
Frame
Buffers
FIFO,
F
low
Control,
VLAN
Tagging,
Priority
10/100
MAC 1
10/100
MAC 2
DMA
Channel
10/100
T/TX
PHY 1
10/100
T/TX
PHY 2
EEPROM
Interface
HP Auto
MDI/MDI-X
HP Auto
MDI/MDI-X
MIB
Counters
P2 LED[3:0]
EEPROM I/F
PCI
Interface Unit
32 Bit/33MHz
P1 LED[3:0]
PCI Bus
Interface
LED
Drivers
Control
Registers
Note: For an MII/RMII, I2C or SPI interface, use the KSZ8893ML.
LinkMD is a trademark of Micrel, Inc.
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| KSZ8851-16MLLI TR | IC MAC CTLR 1PORT W/BUS 48LQFP |
| KSZ8851-16MLLJ | IC CTLR MAC 1PORT NON-PCI 48LQFP |
| KSZ8851-32MQLI | IC CTLR MAC/PHY NON PCI 128PQFP |
| KSZ8851-32MQL | IC CTLR MAC/PHY NON PCI 128PQFP |
| KSZ8851SNLI TR | IC ETHERNET CTLR 1PORT PCI 32MLF |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ8851-16MLL | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (16-bit) 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 |
| KSZ8851-16MLL TR | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (16-bit) 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 |
| KSZ8851-16MLL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 Single Ethernet Port + Generic (16-bit) Bus Interface(Lead Free) Eval Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| KSZ8851-16MLL-EVAL | 制造商:Micrel Inc 功能描述:BOARD EVALUATION FOR KSZ8851-16MLL |
| KSZ8851-16MLLI | 功能描述:以太網(wǎng) IC 10/100BT Ethernet MAC + PHY with Generic (8, 16-bit) Bus Interface (I-Temp, 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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