參數(shù)資料
型號： XRT83VSH314
廠商： Exar Corporation
英文描述： 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述： 14-CHANNEL的T1/E1/J1短途線路接口單元
文件頁數(shù)： 31/80頁
文件大?。?/td> 497K
代理商： XRT83VSH314
XRT83VSH314
28
REV. 1.0.1
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
4.5.1
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 17
.
F
IGURE
17. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ATAOS F
UNCTION
ATAOS (Automatic Transmit All Ones)
4.5.2
The XRT83VSH314 can transmit a QRSS/PRBS random sequence to a remote location from TTIP/TRING. To
select QRSS or PRBS, see the register map for programming details. The polynomial is shown in
Table 9
.
QRSS/PRBS Generation
4.6
If TCLK is not present, pulled "Low", or pulled "High" the transmitter outputs at TTIP/TRING will automatically
send an all ones or an all zero signal to the line by programming the appropriate global register. By default, the
transmitters will send all zeros. To send all ones, the TCLKCNL bit must be set "High".
4.6.1
T1 Short Haul Line Build Out (LBO)
The short haul transmitter output pulses are generated using a 7-Bit internal DAC (6-Bit plus the MSB sign bit).
The line build out can be set to interface to five different ranges of cable attenuation by programming the
appropriate channel register. The pulse shape is divided into eight discrete time segments which are set to
fixed values to comply with the pulse template. The short haul LBO settings are shown in
Table 10
.
Transmit Pulse Shaper and Filter
T
ABLE
9: 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
T
ABLE
10: S
HORT
H
AUL
L
INE
B
UILD
O
UT
LBO
SETTING
EQC[4:0]
R
ANGE
OF
C
ABLE
A
TTENUATION
08h (01000)
0 - 133 Feet
09h (01001)
133 - 266 Feet
0Ah (01010)
266 - 399 Feet
0Bh (01011)
399 - 533 Feet
0Ch (01100)
533 - 655 Feet
RLOS
ATAOS
TAOS
TTIP
TRING
Tx
相關(guān)PDF資料
PDF描述
XRT83VSH314IB 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316 16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316IB 16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH38 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH38IB 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83VSH314ES 功能描述:外圍驅(qū)動器與原件 - PCI 14 CHT1/E1LIUSH LOW COST VERSION 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
XRT83VSH314IB 功能描述:接口 - 專用 14 CH, SH T1/E1 1.8V DGTL/3.3V ANLG 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
XRT83VSH314IB-F 功能描述:外圍驅(qū)動器與原件 - PCI 14 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
XRT83VSH314IB-SAM 制造商:Exar Corporation 功能描述:FOR FUJITSU ONLY
XRT83VSH316 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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