参数资料
型号: XRT86VL30IV80-F
厂商: Exar Corporation
文件页数: 61/175页
文件大小: 0K
描述: IC FRAMR/LIU T1/E1/J1 QD 80LQFP
标准包装: 90
控制器类型: T1/E1/J1 调帧器,LIU
电源电压: 3.3V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(12x12)
包装: 托盘
其它名称: 1016-1486
XRT86VL30IV80-F-ND
XRT86VL30
148
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
3
TXON_n
R/W
0
Transmitter ON:
This bit permits the user to either turn on or turn off the Transmit
Driver of XRT86VL30. If the user turns on the Transmit Driver, then
XRT86VL30 will begin to transmit T1 data (on the line) via the TTIP
and TRING output pins.
Conversely, if the user turns off the Transmit Driver, then the TTIP
and TRING output pins will be tri-stated.
0 = Shuts off the Transmit Driver associated with the XRT86VL30
device and tri-states the TTIP and TRING output pins.
1 = Turns on the Transmit Driver associated with the XRT86VL30
device.
NOTE: If the user wishes to exercise software control over the state
of the Transmit Driver of the XRT86VL30, then it is
imperative that the user pull the TxON pin to a logic “HIGH”
level.
2-0
LOOP2_n
R/W
000
Loop-Back control [2:0]:
These bits control the Loop-Back Modes of the LIU section, accord-
ing to the table below.
TABLE 129: LIU CHANNEL CONTROL REGISTER 2 (LIUCCR2)
HEX ADDRESS: 0X0F02
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
LOOP2
0
1
LOOP1
X
0
1
LOOP0
X
0
1
0
1
Loop-Back Mode
No Loop-Back
Dual Loop-Back
Analog Loop-Back
Remote Loop-Back
Digital Loop-Back
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