參數資料
型號: XRT86VL34IB-F
廠商: Exar Corporation
文件頁數: 77/155頁
文件大?。?/td> 0K
描述: IC LIU/FRAMER T1/E1/J1 4CH 225BG
標準包裝: 84
控制器類型: T1/E1/J1 調幀器,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
供應商設備封裝: 225-BGA(19x19)
包裝: 托盤
XRT86VL34
23
QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
REV. V1.2.1
1-0
TxDL[1:0]
R/W
00
Transmit Data Link Source Select [1:0]
These two bits specify the source for data link bits that will be
inserted in the outbound T1 frames. The table below shows the three
different sources from which data link bits can be inserted.
TABLE 9: TRANSMIT SIGNALING AND DATA LINK SELECT REGISTER (TSDLSR)
HEX ADDRESS:0Xn10A
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
TXDL[1:0]
SOURCE FOR DATA LINK BITS
00
Transmit LAPD Controller #1 / SLC96 Buffer - The
Data Link bits are inserted from the Transmit LAPD
Controller #1 or SLC96 Buffer.
NOTE:
LAPD Controller #1 is the only LAPD
controller that can be used to transport
LAPD messages through the data link bits
01
TxSER_n input pin - The Data Link bits are
inserted from the transmit serial data input pin
(TxSER_n) pin.
10
TxOH_n input pin - The Data Link bits are inserted
from the transmit overhead input pin. (TxOH_n)
11
Data Link bits are forced to 1.
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