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參數(shù)資料
| 型號： | XRT82L38 |
| 廠商： | Exar Corporation |
| 英文描述： | Octal E1/T1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(八 T1/E1/J1線收發(fā)器（帶時鐘恢復和振蕩衰減器）) |
| 中文描述： | 八進制E1/T1/J1線收發(fā)器時鐘恢復和抖動衰減器（八的T1/E1/J1線收發(fā)器（帶時鐘恢復和振蕩衰減器）） |
| 文件頁數(shù)： | 5/54頁 |
| 文件大?。?/td> | 356K |
| 代理商： | XRT82L38 |
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XRT82L38
OCTAL E1/T1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.5
3
PIN DESCRIPTIONS
PIN DESCRIPTION
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
1
RxClk_1
O
Receiver 1 Clock Output
2
RxNEG_1
LCV_1
O
O
Receiver 1 Negative Data Output:
In dual-rail mode, this signal is the receive n-rail output data.
Line Code Violation Output:
In single-rail mode, this signal output goes goes "High" for one receive clock
cycle, to indicate a code violation is detected in the received data. If AMI cod-
ing is selected, every bipolar violation received will cause this pin to go
"High".
3
RxPOS_1
RData_1
O
O
Receiver 1 Positive Data Output:
In dual-rail mode, this signal is the receive p-rail output data.
Receiver 1 NRZ Data Output:
In single-rail mode, this signal is the receive output data.
4
HW
Host
I
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.
Internally pulled "High" with a 50K
resistor
.
5
RTIP_1
I
Receiver 1 Bipolar Positive Input
6
RRing_1
I
Receiver 1 Bipolar Negative Input
7
TGND_1
----
Transmitter 1 Analog Ground
8
TRing_1
O
Transmitter 1 Ring Output. Negative bipolar data output to the line
9
TVDD_1
----
Transmitter 1 Analog Positive Supply(3.3V± 5%)
10
TTIP_1
O
Transmitter 1 Tip Output. Positive bipolar data output
11
TTIP_2
O
Transmitter 2 Tip Output. Positive bipolar data output to the line
12
TVDD_2
----
Transmitter 2 Analog Positive Supply (3.3V± 5%)
13
TRing_2
O
Transmitter 2 Ring Output. Negative bipolar data output to the line
14
TGND_2
----
Transmitter 2 Analog Ground
15
RRing_2
I
Receiver 2 Bipolar Negative Input
16
RTIP_2
I
Receiver 2 Bipolar Positive Input
17
VDD
----
PLL Analog Positive Supply (3.3V± 5%)
18
RxLOS_1
O
Receiver 1 Loss of Signal:
This signal is asserted "High" to indicate loss of signal at the receive input.
Pin 4
Operating Mode
“Low”
Host Mode
“High”
Hardware Mode
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| XRT83D10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
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