參數(shù)資料
型號: XRT86VL32IB
廠商: Exar Corporation
文件頁數(shù): 41/155頁
文件大小: 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
130
REV. V1.2.0
DUAL 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 XRT86VL32. If the user turns on the Transmit Driver, then
XRT86VL32 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 XRT86VL32
device and tri-states the TTIP and TRING output pins.
1 = Turns on the Transmit Driver associated with the XRT86VL32
device.
NOTE: If the user wishes to exercise software control over the state
of the Transmit Driver of the XRT86VL32, 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 109: LIU CHANNEL CONTROL REGISTER 2 (LIUCCR2)
HEX ADDRESS: 0X0FN2
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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