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以太网芯片 LAN8742A/LAN8742Ai datasheet

更新时间:2019-08-21 14:25:02 大小:1M 上传用户:张利娟查看TA发布的资源 标签:以太网 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

资料介绍

基于STM32的以太网设计可以使用LAV8742这个以太网芯片 芯片资料供查看

部分文件列表

文件名 大小
DS_LAN8742_00001989A.pdf 1M

部分页面预览

(完整内容请下载后查看)
LAN8742A/LAN8742Ai  
Small Footprint RMII 10/100 Ethernet Transceiver with HP  
Auto-MDIX and flexPWR® Technology  
Highlights  
Key Benefits  
• Single-Chip Ethernet Physical Layer Transceiver  
(PHY)  
• High-performance 10/100 Ethernet transceiver  
- Compliant with IEEE802.3/802.3u (Fast Ethernet)  
- Compliant with ISO 802-3/IEEE 802.3  
(10BASE-T)  
- Loop-back modes  
- Auto-negotiation  
- Automatic polarity detection and correction  
- Link status change wake-up detection  
- Vendor specific register functions  
- Supports the reduced pin count RMII interface  
• Cable diagnostic support  
• Wake on LAN (WoL) support  
• Comprehensive flexPWR technology  
- Flexible power management architecture  
- LVCMOS Variable I/O voltage range: +1.8 V to  
+3.3 V  
- Integrated 1.2 V regulator with disable feature  
• HP Auto-MDIX support  
• Power and I/Os  
• Miniature 24-pin VQFN, RoHS-compliant pack-  
age (4 x 4 x 0.9 mm height)  
- Various low power modes  
- Integrated power-on reset circuit  
- Two status LED outputs  
Target Applications  
• Set-Top Boxes  
- May be used with a single 3.3 V supply  
• Additional Features  
• Networked Printers and Servers  
Test Instrumentation  
- Ability to use a low cost 25 MHz crystal for  
reduced BOM  
• LAN on Motherboard  
• Packaging  
• Embedded Telecom Applications  
• Video Record/Playback Systems  
• Cable Modems/Routers  
• DSL Modems/Routers  
• Digital Video Recorders  
• IP and Video Phones  
- 24-pin VQFN (4 x 4 mm), RoHS-compliant pack-  
age with RMII  
• Environmental  
- Commercial temperature range (0°C to +70°C)  
- Industrial temperature range (-40°C to +85°C)  
• Wireless Access Points  
• Digital Televisions  
• Digital Media Adapters/Servers  
• Gaming Consoles  
• POE Applications  
(Refer to Microchip Application Note 17.18)  
2013-2015 Microchip Technology Inc.  
DS00001989A-page 1  

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