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參數(shù)資料
| 型號(hào)： | KSZ8841-16MBL |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 27/105頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MAC CTLR 1PORT ETH 100-LBGA |
| 標(biāo)準(zhǔn)包裝： | 260 |
| 控制器類(lèi)型： | 以太網(wǎng)控制器，MAC |
| 接口： | 總線 |
| 電源電壓： | 3.1 V ~ 3.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 100-LBGA |
| 供應(yīng)商設(shè)備封裝： | 100-LFBGA |
| 包裝： | 托盤(pán) |
| 產(chǎn)品目錄頁(yè)面： | 1080 (CN2011-ZH PDF) |
| 其它名稱(chēng)： | 576-3075 |
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Micrel, Inc.
KSZ8841-16/32 MQL/MVL/MBL
October 2007
28
M9999-102207-1.6
Magic Packet is a standard feature integrated into the KSZ8841M. The controller implements multiple advanced power-
down modes including Magic Packet to conserve power and operate more efficiently.
Once the KSZ8841M has been put into Magic Packet Enable mode (WFCR[7]=1), it scans all incoming frames addressed
to the node for a specific data sequence, which indicates to the controller this is a Magic Packet (MP) frame.
A Magic Packet frame must also meet the basic requirements for the LAN technology chosen, such as Source Address
(SA), Destination Address (DA), which may be the receiving station’s IEEE address or a multicast or broadcast address
and CRC.
The specific sequence consists of 16 duplications of the IEEE address of this node, with no breaks or interruptions. This
sequence can be located anywhere within the packet, but must be preceded by a synchronization stream. The
synchronization stream allows the scanning state machine to be much simpler. The synchronization stream is defined as
6 bytes of FFh. The device will also accept a broadcast frame, as long as the 16 duplications of the IEEE address match
the address of the machine to be awakened.
example
If the IEEE address for a particular node on a network is 11h 22h, 33h, 44h, 55h, 66h, the LAN controller would be
scanning for the data sequence (assuming an Ethernet frame):
DESTINATION SOURCE – MISC - FF FF FF FF FF FF - 11 22 33 44 55 66 - 11 22 33 44 55 66 - 11 22 33 44 55 66 -
11 22 33 44 55 66 - 11 22 33 44 55 66 - 11 22 33 44 55 66 - 11 22 33 44 55 66 - 11 22 33 44 55 66 - 11 22 33 44 55 66 -
11 22 33 44 55 66 - MISC - CRC.
There are no further restrictions on a Magic Packet frame. For instance, the sequence could be in a TCP/IP packet or an
IPX packet. The frame may be bridged or routed across the network without affecting its ability to wake-up a node at the
frame’s destination.
If the LAN controller scans a frame and does not find the specific sequence shown above, it discards the frame and takes
no further action. If the KSZ8841M controller detects the data sequence, however, it then alerts the PC’s power
management circuitry (assert the PMEN pin) to wake up the system.
Physical Layer Transceiver (PHY)
100BASE-TX Transmit
The 100BASE-TX transmit function performs parallel-to-serial conversion, 4B/5B coding, scrambling, NRZ-to-NRZI
conversion, and MLT3 encoding and transmission.
The circuitry starts with a parallel-to-serial conversion, which converts the MII data from the MAC into a 125MHz serial bit
stream. The data and control stream is then converted into 4B/5B coding, followed by a scrambler. The serialized data is
further converted from NRZ-to-NRZI format, and then transmitted in MLT3 current output. An external 1% 3.01K
resistor
for the 1:1 transformer ratio sets the output current.
The output signal has a typical rise/fall time of 4ns and complies with the ANSI TP-PMD standard regarding amplitude
balance, overshoot, and timing jitter. The wave-shaped 10BASE-T output driver is also incorporated into the 100BASE-TX
driver.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| KSZ8841-16MBL-EVAL | 制造商:MICREL 制造商全稱(chēng):Micrel Semiconductor 功能描述:Single-Port Ethernet MAC Controller with Non-PCI Interface |
| KSZ8841-16MBLI | 功能描述:以太網(wǎng) IC 10/100BT Ethernet MAC + PHY with Generic (8, 16-Bit) Bus Interface (I-Temp) 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 |
| KSZ8841-16MQL | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (8, 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 |
| KSZ8841-16MQL A6 | 功能描述:IC MAC CTRLR 8/16BIT 128-PQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類(lèi)型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱(chēng):Q6396337A |
| KSZ8841-16MQL-EVAL | 功能描述:以太網(wǎng)開(kāi)發(fā)工具 KSZ8841-16MQL Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類(lèi)型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類(lèi)型:RMII 工作電源電壓: |
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