參數(shù)資料
型號: XRT86VL30IV-F
廠商: Exar Corporation
文件頁數(shù): 98/175頁
文件大?。?/td> 0K
描述: IC FRAMR/LIU T1/E1/J1 QD 128LQFP
標(biāo)準(zhǔn)包裝: 72
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: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
包裝: 托盤
其它名稱: 1016-1485
XRT86VL30IV-F-ND
XRT86VL30
24
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
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 10: TRANSMIT SIGNALING AND DATA LINK SELECT REGISTER (TSDLSR)
HEX ADDRESS:0X010A
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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