参数资料
| 型号： | XRT73LC03AIV |
| 厂商： | Exar Corporation |
| 文件页数： | 49/61页 |
| 文件大小： | 0K |
| 描述： | IC LIU E3/DS3/STS-1 3CH 120LQFP |
| 标准包装： | 72 |
| 类型： | 线路接口装置（LIU） |
| 驱动器/接收器数： | 3/3 |
| 规程： | DS3，E3，STS-1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 120-LQFP |
| 供应商设备封装： | 120-LQFP（14x20） |
| 包装： | 托盘 |
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XRT73LC03A
51
REV. 1.0.4
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
When the Transmit Drive Monitor circuitry within a
given line is connected to the line, as illustrated in
Figure 36, then it monitors the line for transitions. As
long as the Transmit Drive Monitor circuitry detects
transitions on the line via the MTIP_(n) and
MRing_(n) pins, then it keeps the DMO (Drive Moni-
tor Output) signal "Low". However, if the Transmit
Drive Monitor circuit detects no transitions on the line
for 128+32 TxClk periods, then the DMO (Drive Moni-
tor Output) signal toggles "High".
NOTE: The Transmit Drive Monitor circuit does not have to
be used to operate the Transmit Section of the
XRT73LC03A. This is purely a diagnostic feature.
4.6
THE TAOS (TRANSMIT ALL ONES) FEATURE
The XRT73LC03A can command any channel to
transmit an all “1’s" pattern onto the line by toggling a
single input pin or by setting a single bit-field within
one of the Command Registers to "1".
NOTE: When this feature is activated, the Transmit Section
of the configured channel overwrites the Terminal Equip-
ment data with this all “1’s" pattern.
a. Operating in the Hardware Mode
Configure Channel(n) to transmit an all “1’s" pattern
by toggling the TAOS_(n) input pin “High". Terminate
the all “1’s" pattern by toggling the TAOS_(n) input pin
“Low".
b. Operating in the HOST Mode
Configure Channel(n) to transmit an all “1’s" pattern
by writing to Command Register CR1-(n) and setting
the TAOS_(n) bit-field (bit D3) to "1".
Terminate the all “1’s" pattern by writing to Command
Register CR1-(n) and setting the TAOS_(n) bit-field
(D3) to "0".
5.0
THE MICROPROCESSOR SERIAL INTER-
FACE
The on-chip Command Registers of XRT73LC03A
DS3/E3/STS-1 Line Interface Unit IC are used to con-
figure the XRT73LC03A into a wide-variety of modes.
This section discusses the following:
1. The description of the Command Registers.
2. A description on how to use the Microprocessor
Serial Interface.
5.1
DESCRIPTION OF THE COMMAND REGISTERS
(repeated as Table 7), lists the Command Registers,
their Addresses and their bit-formats.
FIGURE 36. THE XRT73LC03A EMPLOYING THE TRANSMIT DRIVE MONITOR FEATURES
R1 = 31.6
R2 = 31.6
Channel (n)
TxPOS_(n)
TxNEG_(n)
TxLineClk_(n)
TTIP_(n)
TRing_(n)
TPData_(n)
TNData_(n)
TxClk_(n)
Only One Channel Shown
1:1
J1
BNC
MTIP_(n)
MRing_(n)
R3 = 270
R4 = 270
COMMAND REGISTER CR1-(n)
D4
D3
D2
D1
D0
TxOFF_(n) TAOS_(n) TxClkINV_(n) TxLEV_(n) TxBIN_(n)
0
1X
X
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRT73LC03AIVF | 制造商:Exar Corporation 功能描述:Line Interface Unit 51.84Mbps DS3/E3/STS-1 Serial 120-Pin LQFP |
| XRT73LC03AIV-F | 功能描述:外围驱动器与原件 - PCI 3-Ch DS3, E3, STS-1 RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| XRT73LC04A | 制造商:EXAR 制造商全称:EXAR 功能描述:4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
| XRT73LC04A_08 | 制造商:EXAR 制造商全称:EXAR 功能描述:4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
| XRT73LC04AES | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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