TABLE
參數(shù)資料
型號: XRT86VL32IB-F
廠商: Exar Corporation
文件頁數(shù): 80/155頁
文件大?。?/td> 0K
描述: IC LIU/FRAMER T1/E1/J1 2CH 225BG
標(biāo)準(zhǔn)包裝: 84
控制器類型: T1/E1/J1 調(diào)幀器,LIU
電源電壓: 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
XRT86VL32
25
DUAL T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
REV. V1.2.0
TABLE 11: RECEIVE SIGNALING & DATA LINK SELECT REGISTER (RSDLSR)
HEX ADDRESS: 0Xn10C
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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