- 您现在的位置：买卖IC网 > PDF目录16863 > KSZ8041NL-EVAL (Micrel Inc)BOARD EVALUATION FOR KSZ8041NL PDF资料下载
参数资料
| 型号： | KSZ8041NL-EVAL |
| 厂商： | Micrel Inc |
| 文件页数： | 14/54页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR KSZ8041NL |
| 标准包装： | 1 |
| 主要目的： | 接口，以太网 PHY |
| 嵌入式： | 否 |
| 已用 IC / 零件： | KSZ8041NL |
| 主要属性： | 单芯片 PHY，10BASE-T/100BASE-TX |
| 次要属性： | MII，RMII，HP 自动 MDI，MDI-X 自动极性校正 |
| 已供物品： | 板 |
| 产品目录页面： | 1114 (CN2011-ZH PDF) |
| 相关产品： | 576-3296-5-ND - IC TXRX PHY 10/100 AUTO 32-MLF 576-2109-6-ND - IC TXRX PHY 10/100 LV/LP 32-MLF 576-2109-1-ND - IC TXRX PHY 10/100 LV/LP 32-MLF 576-2109-2-ND - IC TXRX PHY 10/100 LV/LP 32-MLF KSZ8041NLA3TR-ND - TRANSCEIVER 10/100 32-MLF 576-1645-6-ND - IC TXRX PHY 10/100 LV/LP 32-MLF 576-1645-1-ND - IC TXRX PHY 10/100 LV/LP 32-MLF 576-1645-2-ND - IC TXRX PHY 10/100 LV/LP 32-MLF |
| 其它名称： | 576-1621 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页当前第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页
Micrel, Inc.
KSZ8041NL/RNL
September 2010
21
M9999-090910-1.4
10Base-T Receive
On the receive side, input buffer and level detecting squelch circuits are employed. A differential input receiver circuit and
a PLL performs the decoding function. The Manchester-encoded data stream is separated into clock signal and NRZ data.
A squelch circuit rejects signals with levels less than 400 mV or with short pulse widths to prevent noise at the RX+ and
RX- inputs from falsely trigger the decoder. When the input exceeds the squelch limit, the PLL locks onto the incoming
signal and the KSZ8041NL/RNL decodes a data frame. The receive clock is kept active during idle periods in between
data reception.
SQE and Jabber Function (10Base-T only)
In 10Base-T operation, a short pulse is put out on the COL pin after each frame is transmitted. This SQE Test is required
as a test of the 10Base-T transmit/receive path. If transmit enable (TXEN) is high for more than 20 ms (jabbering), the
10Base-T transmitter is disabled and COL is asserted high. If TXEN is then driven low for more than 250 ms, the 10Base-
T transmitter is re-enabled and COL is de-asserted (returns to low).
Auto-Negotiation
The KSZ8041NL/RNL conforms to the auto-negotiation protocol, defined in Clause 28 of the IEEE 802.3u specification.
Auto-negotiation is enabled by either hardware pin strapping (pin 30) or software (register 0h bit 12).
Auto-negotiation allows unshielded twisted pair (UTP) link partners to select the highest common mode of operation. Link
partners advertise their capabilities to each other, and then compare their own capabilities with those they received from
their link partners. The highest speed and duplex setting that is common to the two link partners is selected as the mode
of operation.
The following list shows the speed and duplex operation mode from highest to lowest.
Priority 1: 100Base-TX, full-duplex
Priority 2: 100Base-TX, half-duplex
Priority 3: 10Base-T, full-duplex
Priority 4: 10Base-T, half-duplex
If auto-negotiation is not supported or the KSZ8041NL/RNL link partner is forced to bypass auto-negotiation, the
KSZ8041NL/RNL sets its operating mode by observing the signal at its receiver. This is known as parallel detection, and
allows the KSZ8041NL/RNL to establish link by listening for a fixed signal protocol in the absence of auto-negotiation
advertisement protocol.
The auto-negotiation link up process is shown in the flow chart illustrated as Figure 1.
相关PDF资料 |
PDF描述 |
|---|---|
| DWP-125-1/2-0-STK | HEATSHRINK POLY 1/2"X4' BLK |
| SRR4028-270Y | INDUCTOR POWER 27UH 0.89A 4028 |
| RBC13DREH-S734 | CONN EDGECARD 26POS .100 EXTEND |
| H6MMH-2036G | DIP CABLE - HDM20H/AE20G/HDM20H |
| V110B24E150B | CONVERTER MOD DC/DC 24V 150W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| KSZ8041NLI | 制造商:Micrel Inc 功能描述:IC TXRX PHY 10/100 LV/LP 32-MLF*NIC* |
| KSZ8041NLI TR | 功能描述:以太网 IC Physical Layer Transceiver 10/100BASE-T/TX (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8041NLITR | 制造商:Micrel 功能描述:Physical Layer Transceiver 1Ch 100Mbps |
| KSZ8041NLI-TR | 功能描述:1/1 Transceiver Full MII, RMII 32-MLF? (5x5) 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:有效 类型:收发器 协议:MII，RMII 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:3.135 V ~ 3.465 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘，32-MLF? 供应商器件封装:32-MLF?（5x5） 标准包装:1 |
| KSZ8041NLJ | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:10/100 Ethernet Transceiver with Extended Temperature Support |
发布紧急采购，3分钟左右您将得到回复。