参数资料
型号: XRT75L02DIV-F
厂商: Exar Corporation
文件页数: 4/50页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 2CH 100TQFP
标准包装: 90
类型: 线路接口装置(LIU)
驱动器/接收器数: 2/2
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: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
xr
XRT75L02
REV. 1.0.3
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
10
28
LOSMUT/
INT
I/O
Hardware Mode: MUTE-upon-LOS Enable Input
Host Mode: Interrupt Ouput:
In Hardware Mode, setting pin “High” configures all the channels to Mute the
recovered data on the RPOS_n and RNEG_n whenever one of the channels
declares an LOS condition. RPOS_n and RNEG_n outputs are pulled “Low”.
Muting of the output data can be configured/controlled on a per channel basis
in Host Mode.
NOTE:
If the XRT75L02 is configured in HOST mode, this pin functions as INT
pin (please refer to the pin description for the Microprocessor Interface).
4
22
LLB_0
LLB_1
I
Local Loop-back - Channel 0:
Local Loop-back - Channel 1:
This input pin along with RLB_n configures different Loop-Back modes.
A "High" on this pin with RLB_n set to "Low" configures Channel_n to operate
in the Analog Local Loop-back Mode.
A "High" on this pin with RLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE: This input pin is ignored and should be connected to GND if operating in
the HOST Mode.
5
21
RLB_0
RLB_1
I
Remote Loop-back - Channel 0:
Remote Loop-back - Channel 1:
This input pin along with LLB_n configures different Loop-Back modes.
A "High" on this pin with LLB_n set to “Low" configures Channel_n to operate in
the Remote Loop-back Mode.
A "High" on this pin with LLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE:
This input pin is ignored and should be connected to GND when
operating in the HOST Mode.
CONTROL AND ALARM INTERFACE
RLB_n
0
Loopback Mode
Normal Operation
Analog Local
LLB_n
0
1
Remote
Digital
0
1
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