參數(shù)資料
型號: XRT86VL30IV80-F
廠商: Exar Corporation
文件頁數(shù): 61/175頁
文件大?。?/td> 0K
描述: IC FRAMR/LIU T1/E1/J1 QD 80LQFP
標(biāo)準(zhǔn)包裝: 90
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: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(12x12)
包裝: 托盤
其它名稱: 1016-1486
XRT86VL30IV80-F-ND
XRT86VL30
148
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
3
TXON_n
R/W
0
Transmitter ON:
This bit permits the user to either turn on or turn off the Transmit
Driver of XRT86VL30. If the user turns on the Transmit Driver, then
XRT86VL30 will begin to transmit T1 data (on the line) via the TTIP
and TRING output pins.
Conversely, if the user turns off the Transmit Driver, then the TTIP
and TRING output pins will be tri-stated.
0 = Shuts off the Transmit Driver associated with the XRT86VL30
device and tri-states the TTIP and TRING output pins.
1 = Turns on the Transmit Driver associated with the XRT86VL30
device.
NOTE: If the user wishes to exercise software control over the state
of the Transmit Driver of the XRT86VL30, then it is
imperative that the user pull the TxON pin to a logic “HIGH”
level.
2-0
LOOP2_n
R/W
000
Loop-Back control [2:0]:
These bits control the Loop-Back Modes of the LIU section, accord-
ing to the table below.
TABLE 129: LIU CHANNEL CONTROL REGISTER 2 (LIUCCR2)
HEX ADDRESS: 0X0F02
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
LOOP2
0
1
LOOP1
X
0
1
LOOP0
X
0
1
0
1
Loop-Back Mode
No Loop-Back
Dual Loop-Back
Analog Loop-Back
Remote Loop-Back
Digital Loop-Back
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