參數(shù)資料
型號: XRT83VSH316IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA316
封裝: 21 X 21 MM, STBGA-316
文件頁數(shù): 28/96頁
文件大?。?/td> 600K
代理商: XRT83VSH316IB
XRT83VSH316
PRELIMINARY
26
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. P1.0.3
3.7
The receive path has the ability to generate diagnostic patterns to the system side interface on the RPOS
output pin (Single Rail Mode Only). The LIU can generate an All Ones (SAIS), All Zeros (SLOS), or PRBS/
QRSS (SPRBS) signal.
3.7.1
System Side AIS (SAIS)
The system side SAIS signal is an all ones pattern sent to the RPOS output pin. This diagnostic pattern is
created by pulling RPOS "High" for the duration it’s enabled.
Receive Diagnostic Pattern Generation
3.7.2
If ATAOS is selected by programming the appropriate global register, an all ones signal will be output to RPOS
for each channel that experiences a SRLOS condition. If SLOS does not occur, the ATAOS will remain inactive
until a SRLOS on a given channel occurs. A simplified block diagram of the ATAOS function is shown in
Figure 11
.
F
IGURE
11. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ATAOS F
UNCTION
ATAOS (System Automatic Transmit All Ones)
F
IGURE
10. S
YSTEM
S
IDE
SAIS R
ECEIVE
O
UTPUT
RCLK
RPOS = “High”
SRLOS
ATAOS
VDD
RPOS
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相關代理商/技術參數(shù)
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