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參數(shù)資料
| 型號： | XRT82L34 |
| 廠商： | Exar Corporation |
| 英文描述： | Quad T1/E1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(四 T1/E1/J1線收發(fā)器（帶時鐘恢復(fù)和振蕩衰減器）) |
| 中文描述： | 四路T1/E1/J1收發(fā)線收發(fā)器時鐘恢復(fù)和抖動衰減器（四的T1/E1/J1線收發(fā)器（帶時鐘恢復(fù)和振蕩衰減器）） |
| 文件頁數(shù)： | 7/50頁 |
| 文件大?。?/td> | 648K |
| 代理商： | XRT82L34 |
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XRT82L34
QUAD T1/E1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.5
5
8
PTS2/SR/DR
I
Host Mode:
Processor Type Select Input bit 2:
See description for pin 7.
Hardware Mode
Single rail/Dual Rail Control
Connect this pin “Low” to select transmit and receive data format in dual-rail
mode. In this mode, HDB3 or B8ZS encoder and decoder are not available.
Connect this pin "High" to select single-rail data format.
N
OTE
:
Internally pulled -up with a 50k
resistor.
9
HW/HOST
I
Mode Control Input:
This pin is used to select the operating mode of the device, (Hardware Mode or
Host Mode.)
In
Hardware Mode
, the parallel Microprocessor interface is disabled and
enables all hardware control pin functions.
In
Host Mode
, the parallel microprocessor interface pins are used for control
functions.
N
OTE
:
Internally pulled "High" with 50k
.
10
PCLK
Codes
I
I
Processor Clock Input
.
Input clock for synchronous microprocessor operation. Maximum clock rate is
16 MHz. This pin is internally pull-up for asynchronous microprocessor interface
when no clock is present.
Coding/Decoding Select
. In Hardware Mode, if single-rail data format is
selected (pin 8 =”1”), connect this pin "High" to select AMI encoding and decod-
ing. Connect this pin Low to select HDB3 in E1 or B8ZS in T1 system.
11
DGND
****
Digital Ground
12
DVDD
****
Digital Positive Supply(3.3V± 5%)
13
DGND
****
Digital Ground
14
WR_R/W
TxOFF0
I
Write Input (Read/Write)
.
With Intel bus timing, a Low pulse on WR selects a write operation when CS pin
is Low. When configured in Motorola bus timing, a "High" pulse on R/W selects
a read operation and a Low pulse on R/W selects a write operation when CS is
Low.
Powered-down Transmitter 0
.
In Hardware Mode, tie this pin "High" to power-down channel 0 transmitter and
set TTIP0 and TRing0 to high impedance.
N
OTE
:
Internally pulled -up with a 50k
resistor.
PIN DESCRIPTIONS
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
Pin 9
Operating Mode
“Low”
Host Mode
“High”
Hardware Mode
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| XRT82L38 | Octal E1/T1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(八 T1/E1/J1線收發(fā)器（帶時鐘恢復(fù)和振蕩衰減器）) |
| XRT83D10 | SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
| XRT83D10IW | SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
| XRT83L314 | 14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT82L34IV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
| XRT83D10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
| XRT83D10ES | 功能描述:外圍驅(qū)動器與原件 - PCI 1 CHT1/E1LIUSH 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 |
| XRT83D10IW | 功能描述:外圍驅(qū)動器與原件 - PCI 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 |
| XRT83D10IW-F | 功能描述:外圍驅(qū)動器與原件 - PCI Single Ch; 3.3V-5V temp -45 to 85C 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 |
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