参数资料
型号: XRT75R03DIV-F
厂商: Exar Corporation
文件页数: 119/135页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
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: 128-LQFP
供应商设备封装: 128-LQFP(14x20)
包装: 托盘
XRT75R03D
80
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
REV. 1.0.4
2
LOSMUT Enable
R/W
0
Muting upon LOS Enable - Channel_n:
This READ/WRITE bit-field is used to configure the Receive
Section (within Channel_n) to automatically pull their corre-
sponding Recovered Data Output pins (e.g., RPOS_n and
RNEG_n) to GND anytime (and for the duration that) the
Receive Section declares the LOS defect condition. In
other words, this feature (if enabled) will cause the Receive
Channel to automatically mute the Recovered data anytime
(and for the duration that) the Receive Section declares the
LOS defect condition.
0 - Disables the Muting upon LOS feature. In this setting
the Receive Section will NOT automatically mute the
Recovered Data whenever it is declaring the LOS defect
condition.
1 - Enables the Muting upon LOS feature. In this setting the
Receive Section will automatically mute the Recovered
Data whenever it is declaring the LOS defect condition.
1
Receive Monitor
Mode Enable
R/W
0
Receive Monitor Mode Enable - Channel_n:
This READ/WRITE bit-field is used to configure the Receive
Section of Channel_n to operate in the Receive Monitor
Mode.
If the user configures the Receive Section to operate in the
Receive Monitor Mode, then it will be able to receive a nom-
inal DSX-3/STSX-1 signal that has been attenuated by
20dB of flat loss along with 6dB of cable loss, in an error-
free manner. However, internal LOS circuitry is suppressed
and LOS will never assert nor LOS be declared when oper-
ating under this mode.
0 - Configures the corresponding channel to operate in the
Normal Mode.
1 - Configure the corresponding channel to operate in the
Receive Monitor Mode.
0
Receive Equalizer
Enable
R/W
0
Receive Equalizer Enable - Channel_n:
This READ/WRITE register bit is used to either enable or
disable the Receive Equalizer block within the Receive Sec-
tion of Channel_n, as listed below.
0 - Disables the Receive Equalizer within the corresponding
channel.
1 - Enables the Receive Equalizer within the corresponding
channel.
NOTE: For virtually all applications, we recommend that the
user set this bit-field to "1" (for all three channels)
and enable the Receive Equalizer.
BIT NUMBER
NAME
TYPE
DEFAULT
VALUE
DESCRIPTION
相关PDF资料
PDF描述
XRT75R03IV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
XRT75R06DIB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75R06IB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75R12DIB-L IC LIU E3/DS3/STS-1 12CH 420TBGA
XRT75R12IB-L IC LIU E3/DS3/STS-1 12CH 420TBGA
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