参数资料
| 型号： | XRT73LC03AIV-F |
| 厂商： | Exar Corporation |
| 文件页数： | 51/61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
53
REV. 1.0.4
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
(n) = 0, 1 or 2. The associated addresses for each
channel are presented in , (repeated as Table 7).
NOTE: The default value for each of the bit-fields within
these register is "0".
5.2
DESCRIPTION OF BIT-FIELDS FOR EACH COM-
MAND
REGISTER
5.2.1
Command Register - CR0-(n)
The bit-format and default values for Command Reg-
ister CR0-(n) are listed below followed by the function
of eah of these bit-fields.
Bit D4 - RLOL_(n) (Receive Loss of Lock Status -
Channel(n))
This Read-Only bit-field reflects the lock status of the
Channel(n) Clock Recovery Phase-Locked-Loop
This bit-field is set to “0” if the Channel(n) Clock Re-
covery PLL is in lock with the incoming line signal.
This bit-field is set to "1" if the Clock Recovery PLL is
out of lock with the incoming line signal.
Bit D3 - RLOS_(n) (Receive Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) of the Receiver is currently declaring an
LOS (Loss of Signal) Condition.
This bit-field is set to "0" if Channel(n) is not currently
declaring the LOS Condition.
This bit-field is set to "1" if Channel(n) is declaring an
LOS Condition.
Bit D2 - ALOS_(n) (Analog Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) Analog LOS Detector is currently declar-
ing an LOS condition.
This bit-field is set to "0" if the Analog LOS Detector
within Channel(n) is NOT currently declaring an LOS
condition. This bit-field is set to "1" if the Analog LOS
Detector is currently declaring an LOS condition.
NOTE: The purpose is to isolate the Detector (e.g., either
the Analog LOS or the Digital LOS detector) that is declar-
ing the LOS condition. This feature may be useful for trou-
bleshooting/debugging purposes
Bit D1 - DLOS_(n) (Digital Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) Digital LOS Detector is currently declar-
ing an LOS condition.
This bit-field is set to "0" if the Channel(n) Digital LOS
Detector is NOT currently declaring an LOS condi-
tion. This bit-field is set to "1" if the Channel(n) Digital
LOS Detector is currently declaring an LOS condition.
NOTE: The purpose is to isolate the Detector (e.g., either
the Analog LOS or the Digital LOS detector) that is declar-
ing the LOS condition. This feature may be useful for trou-
bleshooting/debugging purposes.
Bit D0 - DMO_(n) (Drive Monitor Output Status -
Channel(n))
This Read-Only bit-field reflects the status of the
DMO output pin.
5.2.2
Command Register CR1
The bit-format and default values for Command Reg-
ister CR1-(n) are listed below followed by the function
of each of these bit-fields..
Bit D4 - TxOFF_(n) (Transmitter OFF - Channel(n))
This Read/Write bit-field is used to turn off the Chan-
nel(n) Transmitter.
Writing a "1" to this bit field turns off the Transmitter
and tri-state the Transmit Output. Writing a "0" to this
bit-field turns on the Transmitter.
Bit D3 - TAOS_(n) (Transmit All OneS - Chan-
nel(n))
This Read/Write bit-field is used to command the
Channel(n) Transmitter to generate and transmit an
all “1’s” pattern onto the line.
Writing a "1" to this bit-field commands the Transmit-
ter to transmit an all “1’s” pattern onto the line. Writ-
ing a "0" to this bit-field commands normal operation.
Bit D2 - TxClkINV_(n) (Transmit Clock Invert -
Channel(n))
This Read/Write bit-field is used to configure the
Transmitter to sample the signal at the TPData and
TNData pins on the rising edge or falling edge of Tx-
Clk (the Transmit Line Clock signal).
Writing a "1" to this bit-field configures the Transmitter
to sample the TPData and TNData input pins on the
rising edge of TxClk. Writing a “0" to this bit-field con-
COMMAND REGISTER CR0-(n)
D4
D3
D2
D1
D0
RLOL_(n) RLOS_(n) ALOS_(n) DLOS_(n) DMO_(n)
11
1
COMMAND REGISTER CR1-(n)
D4
D3
D2
D1
D0
TxOFF_(n) TAOS_(n) TxClkINV_(n) TxLEV_(n) TxBIN_(n)
00
0
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相关代理商/技术参数 |
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| 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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