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參數(shù)資料
| 型號： | LAN8187_06 |
| 廠商： | SMSC Corporation |
| 英文描述： | 【15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM |
| 中文描述： | 【15kV的ESD保護(hù)信息產(chǎn)業(yè)部/ RMII快速以太網(wǎng)PHY與HP Auto - MDIX功能和SMSC flexPWRTM |
| 文件頁數(shù)： | 8/72頁 |
| 文件大?。?/td> | 433K |
| 代理商： | LAN8187_06 |
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±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR
TM
Datasheet
Chapter 1 General Description
SMSC LAN8187/LAN8187I
8
Revision 1.0 (12-14-06)
DATASHEET
The SMSC LAN8187/LAN8187I is a low-power, industrial temperature (LAN8187I), variable I/O
voltage, analog interface IC with HP Auto-MDIX for high-performance embedded Ethernet applications.
The LAN8187/LAN8187I can be configured to operate on a single 3.3V supply utilizing an integrated
3.3V to 1.8V linear regulator. An option is available to disable the linear regulator to optimize system
designs that have a 1.8V power plane available.
1.1
Architectural Overview
The LAN8187/LAN8187I consists of an encoder/decoder, scrambler/descrambler, wave-shaping
transmitter, output driver, twisted-pair receiver with adaptive equalizer and baseline wander (BLW)
correction, and clock and data recovery functions. The LAN8187/LAN8187I can be configured to
support either the Media Independent Interface (MII) or the Reduced Media Independent Interface
(RMII).
The LAN8187/LAN8187I is compliant with IEEE 802.3-2005 standards (MII Pins tolerant to 3.6V) and
supports both IEEE 802.3-2005 -compliant and vendor-specific register functions. It contains a full-
duplex 10-BASE-T/100BASE-TX transceiver and supports 10-Mbps (10BASE-T) operation on
Category 3 and Category 5 unshielded twisted-pair cable, and 100-Mbps (100BASE-TX) operation on
Category 5 unshielded twisted-pair cable.
Figure 1.1 LAN8187/LAN8187I System Block Diagram
Hubs and switches with multiple integrated MACs and external PHYs can have a large pin count due
to the high number of pins needed for each MII interface. An increasing pin count causes increasing
cost.
The RMII interface is intended for use on Switch based ASICs or other embedded solutions requiring
minimal pincount for ethernet connectivity. RMII requires only 6 pins for each MAC to PHY interface
plus one common reference clock. The MII requires 16 pins for each MAC to PHY interface.
The SMSC LAN8187/LAN8187I is capable of running in RMII mode. Please refer to the RMII
consortium for more information on the RMII standard
http://www.rmii-consort.com
.
The LAN8187/LAN8187I referenced throughout this document applies to both the commercial
temperature and industrial temperature components. The LAN8187I refers to only the industrial
temperature component.
10/100
Media
Access
Controller
(MAC)
or SOC
SMSC
LAN8187/
LAN8187I
Magnetics
Ethernet
System Bus
LEDS/GPIO
25 MHz (MII) or 50MHz (RMIII)
Crystal or External Clock
MII /RMII
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LAN8187 | High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX |
| LAN83C175 | Ethernet CARDBUS Integrated Controller With Modem Support |
| LAN83C180 | 10/100 FAST ETHERNET PHY TRANSCEIVER |
| LAN83C185 | HIGH PERFORMANCE SINGLE CHIP LOW POWER 10/100 ETHERNET PHYSICAL LAYER TRANSCEIVER |
| LAN83C183-JD | FAST ETHERNET PHYSICAL LAYER DEVICE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LAN8187I | 制造商:SMSC 制造商全稱:SMSC 功能描述:High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX |
| LAN8187I-JT | 功能描述:以太網(wǎng) IC HiPerfrm Ethrnt PHY 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 |
| LAN8187-JT | 功能描述:以太網(wǎng) IC HiPerfrm Ethrnt PHY 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 |
| LAN83C171 | 制造商:SMSC 制造商全稱:SMSC 功能描述:EPIC/XF ACPI/PC 97 Compliant Integrated PCI 10/100 Mbps Fast Ethernet Controller |
| LAN83C171 WAF | 制造商:SMSC 功能描述: |
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