参数资料
型号: XRT86VL30IV80-F
厂商: Exar Corporation
文件页数: 101/175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
26
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
TABLE 12: RECEIVE SIGNALING & DATA LINK SELECT REGISTER (RSDLSR)
HEX ADDRESS: 0X010C
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
Reserved
-
Reserved
6
Reserved
-
Reserved
5-4
RxDLBW[1:0]
R/W
00
Receive Data Link Bandwidth[1:0]:
These two bits select the bandwidth for data link message reception.
Data Link messages can be received at a 4kHz rate or at a 2kHz rate
on odd or even framing bits depending on the configuration of these
bits. The table below specifies the 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
RxDE[1:0]
R/W
00
Receive D/E Time-Slot Destination Select[1:0]:
These bits permit the user to specify the “destination” circuitry that will
receive and process the D/E-Time-slot within the incoming T1 data-
stream.
RXDLBW[1:0]
RECEIVE DATA LINK BANDWIDTH SELECTED
00
Received Data link bits are extracted in every
frame. Facility Data Link Bits (FDL) is a 4kHz data
link channel.
01
Received Data link bits are extracted 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
Received Data link bits are extracted 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
RXDE[1:0]
DESTINATION CIRCUITRY FOR
RECEIVE D/E TIME-SLOT
00
RxSER_n output pin - The D/E time slots are out-
put to the receive serial data output pin (RxSER_n)
pin.
01
Receive LAPD Controller Block - The D/E time
slots are output to Receive LAPD Controller Block.
10
Reserved
11
RxFRTD_n output pin- The D/E time slots are
output to the receive fractional output pin.
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