參數(shù)資料
型號: XRT83L314IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA304
封裝: TBGA-304
文件頁數(shù): 29/84頁
文件大?。?/td> 631K
代理商: XRT83L314IB
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
25
2.9
The digital output data can be programmed to either single rail or dual rail formats. Figure 16 is a timing
diagram of a repeating "0011" pattern in single-rail mode. Figure 17 is a timing diagram of the same fixed
pattern in dual rail mode.
F
IGURE
16. S
INGLE
R
AIL
M
ODE
W
ITH
A
F
IXED
R
EPEATING
"0011" P
ATTERN
RPOS/RNEG/RCLK
F
IGURE
17. D
UAL
R
AIL
M
ODE
W
ITH
A
F
IXED
R
EPEATING
"0011" P
ATTERN
2.10
The receive muting function can be selected by setting RxMUTE to "1" in the appropriate global register. If
selected, any channel that experiences an RLOS condition will automatically pull RPOS and RNEG "Low" to
prevent data chattering. If RLOS does not occur, the RxMUTE will remain inactive until an RLOS on a given
channel occurs. The default setting for RxMUTE is "0" which is disabled. A simplified block diagram of the
RxMUTE function is shown in Figure 18.
F
IGURE
18. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
R
X
MUTE F
UNCTION
RxMUTE (Receiver LOS with Data Muting)
RCLK
RPOS
0
0
0
1
1
RCLK
RPOS
0
0
0
1
1
RNEG
RLOS
RxMUTE
RPOS
RNEG
相關(guān)PDF資料
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