参数资料
型号: WJLXT905LE.C2
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP32
封装: ROHS COMPLIANT, MO-136BC, LQFP-32
文件页数: 11/40页
文件大小: 544K
代理商: WJLXT905LE.C2
LXT905 Universal 10BASE-T Transceiver with 3.3V Support
Datasheet
19
Document Number: 249271
Revision Number: 004
Revision Date: 19-Oct-2005
3.1.5
Magnetic Information
The LXT905 requires a 1:1 turns ratio for the receive transformer, and a 1:2 turns ratio for the
transmit transformer. The Intel
Magnetic Manufacturers Application Note (document number
248991) lists transformers suitable for the applications described in this datasheet.
Note:
Test and validate all magnetics before committing to a specific component.
3.2
Typical 10BASE-T Application
Figure 8 is a typical LXT905 application. The DTE connects to a 10BASE-T network through the
twisted-pair RJ-45 connector. With MD0 tied high and MD1 grounded, this example sets the
LXT905 logic and framing to Mode 2 (compatible with Intel* 82596 controllers). Connect a 20
MHz system clock input at CLKI (leave CLKO open). The LI pin externally controls the link test
function.
Note:
Refer to the Intel
MAC Interface Design Guide for Intel Controllers Application Note (document
number 249007) when designing with Intel controllers.
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