參數(shù)資料
型號(hào)： 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)： 35/96頁
文件大?。?/td> 600K
代理商： XRT83VSH316IB
PRELIMINARY
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316
33
REV. P1.0.3
4.4
The transmit path has the ability to generate diagnostic patterns to the line side interface on the TTip/TRing
output pins (Single Rail Mode Only). The LIU can generate an All Ones (AIS) or PRBS/QRSS (PRBS) signal.
4.4.1
Line Side AIS (Transmit All Ones)
The XRT83VSH316 has the ability to transmit all ones on a per channel basis by programming the appropriate
channel register. The AIS signal is generated on TTip and TRing.
F
IGURE
19. TAOS (T
RANSMIT
A
LL
O
NES
)
Transmit Diagnostic Pattern Generation
4.4.2
If ATAOS is selected by programming the appropriate global register, an AMI all ones signal will be transmitted
for each channel that experiences an RLOS condition. If RLOS does not occur, the ATAOS will remain inactive
until an RLOS on a given channel occurs. A simplified block diagram of the ATAOS function is shown in
Figure 20
.
F
IGURE
20. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ATAOS F
UNCTION
ATAOS (Automatic Transmit All Ones)
4.4.3
The XRT83VSH316 can transmit a PRBS/QRSS random sequence to a remote location from the TTip/TRing
output pins. To select PRBS or QRSS, see the register map for programming details. The polynomial is shown
in
Table 10
.
Line Side PRBS/QRSS (Pseudo/Quasi Random Bit Sequence)
T
ABLE
10: R
ANDOM
B
IT
S
EQUENCE
P
OLYNOMIALS
R
ANDOM
P
ATTERN
T1
E1
QRSS
2
20
- 1
2
20
- 1
PRBS
2
15
- 1
2
15
- 1
TAOS
1
1
1
RLOS
ATAOS
TAOS
TTIP
TRING
Tx
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XRT83VSH316IB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 16 Channel Short-Haul RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83VSH316IB-F 制造商:Exar Corporation 功能描述:T1/E1 LIU IC
XRT83VSH38 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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XRT83VSH38IB 功能描述:接口 - 專用 8CH SH T1/E1 Line RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
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