参数资料
型号: XRT86VL30IV80-F
厂商: Exar Corporation
文件页数: 97/175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
23
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
REV. 1.0.1
TABLE 10: TRANSMIT SIGNALING AND DATA LINK SELECT REGISTER (TSDLSR)
HEX ADDRESS:0X010A
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
Reserved
-
Reserved
6
Reserved
-
Reserved
5-4
TxDLBW[1:0]
R/W
00
Transmit Data Link Bandwidth[1:0]
These two bits are used to select the bandwidth for data link mes-
sage transmission. Data Link messages can be transmitted at a
4kHz rate or at a 2kHz rate on odd or even framing bits depending on
the configuration of these three bits. The table below specifies the
four different configurations.
NOTE: This bit only applies to T1 ESF framing format. For SLC96
and N framing formats, FDL is a 4kHz data link channel. For
T1DM, FDL is a 8kHz data link channel.
3-2
TxDE[1:0]
R/W
00
Transmit D/E TimeSlot Source Select[1:0]:
These two bits specify the source for transmit D/E time slots. The
table below shows the different sources from which D/E time slots
can be inserted.
TXDLBW[1:0]
TRANSMIT DATA LINK BANDWIDTH SELECTED
00
Data link bits are inserted in every frame. Facility
Data Link Bits (FDL) is a 4kHz data link channel.
01
Data link bits are inserted in every other frame.
Facility Data Link Bits (FDL) is a 2kHz data link
channel carried by odd framing bits (Frames
1,5,9.....)
10
Data link bits are inserted in every other frame.
Facility Data Link Bits (FDL) is a 2kHz data link
channel carried by even framing bits (Frames
3,7,11.....)
11
Reserved
TXDE[1:0]
SOURCE FOR TRANSMIT D/E TIMESLOTS
00
TxSER_n input pin - The D/E time slots are
inserted from the transmit serial data input pin
(TxSER_n) pin.
01
Transmit LAPD Controller - The D/E time slots are
inserted from LAPD Controller.
10
Reserved
11
TxFRTD_n - The D/E time slots are inserted from
the transmit fractional input pin.
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