參數(shù)資料
型號(hào)： LXT331QE
英文描述： LINE INTERFACE|CMOS|QFP|44PIN|PLASTIC
中文描述： 線路接口|的CMOS | QFP封裝| 44PIN |塑料
文件頁(yè)數(shù)： 3/32頁(yè)
文件大?。?/td> 395K
代理商： LXT331QE
Datasheet
3
Dual T1/E1 Line Interface Unit — LXT331
Contents
1.0
2.0
Pin Assignments & Signal Descriptions
..........................................................6
Functional Description
...........................................................................................10
2.1
Receiver..............................................................................................................10
2.2
Transmitter..........................................................................................................10
2.2.1
Pulse Shape...........................................................................................11
2.2.2
Driver Performance Monitor ...................................................................11
2.2.3
Driver Failure Monitor.............................................................................12
2.3
Control Modes.....................................................................................................12
2.3.1
Host Mode Control .................................................................................13
2.3.1.1 Serial Input Word.......................................................................13
2.3.1.2 Serial Output Word....................................................................14
2.3.1.3 Interrupt Handling......................................................................14
2.3.2
Hardware Mode Control.........................................................................14
2.4
Diagnostic Mode Operation.................................................................................18
2.5
Initialization & Reset............................................................................................19
Application Information
.........................................................................................20
3.1
Power Requirements...........................................................................................20
3.1.1
Line Interface Requirements..................................................................20
3.2
Line Protection ....................................................................................................21
3.2.1
1.544 Mbps T1 Applications...................................................................21
3.2.2
2.048 Mbps E1 Coax Applications .........................................................21
3.2.3
2.048 Mbps E1 Twisted-Pair Applications..............................................22
Test Specifications
..................................................................................................25
Mechanical Specifications
....................................................................................30
3.0
4.0
5.0
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