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參數(shù)資料
| 型號(hào)： | XRT5997 |
| 廠商： | Exar Corporation |
| 英文描述： | Seven-Channel E1 Line Interface Unit(7通道 E1線接口單元) |
| 中文描述： | 七通道E1線路接口單元（7通道素E1線接口單元） |
| 文件頁數(shù)： | 4/37頁 |
| 文件大小： | 367K |
| 代理商： | XRT5997 |
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XRT5997
4
Rev. 1.0.0
Pin#
Symbol
Type
Description
1
RxPOS1
O
Receiver 1 Positive Data Out:
This output pin will pulse “high” whenever Channel 1, within the XRT5997
device has received a “Positive Polarity” pulse, in the incoming line signal,
at RTIP1/RRing1 inputs.
2
RxNEG1
O
Receiver 1 Negative Data Out:
This output pin will pulse “high” whenever Channel 1, within the XRT5997
device has received a “Negative Polarity” pulse, in the incoming line signal,
at tRTIP1/RRing1 inputs.
3
DVDD
-
Positive Supply
- (+3.3V ± 5%). Digital Circuitry.
4
LOS7
O
Receiver 7 Loss of Signal Output Indicator:
This output pin toggles “high” if Channel 7, within the XRT5997 device has
detected a “Loss of Signal” condition in the incoming line signal.
5
RxPOS7
O
Receiver 7 Positive Data Out:
This output pin will pulse “high” whenever Channel 7, within the XRT5997
device has received a “Positive Polarity” pulse, in the incoming line signal,
at RTIP7/RRing7 inputs.
6
RxNEG7
O
Receiver 7 Negative Data Out:
This output pin will pulse “high” whenever Channel 7, within the XRT5997
device has received a “Negative Polarity” pulse, in the incoming line signal,
at RTIP7/RRing7 inputs.
7
RTIP1
I
Receiver 1 Positive Bipolar Input:
The Receive Section of Channel 1 uses this input pin, along with RRing1
to receive the bipolar line signal from the “Remote E1 Terminal”.
8
RRing1
I
Receiver 1 Negative Bipolar Input:
The Receive Section of Channel 1 uses this input pin, along with RTIP1 to
receive the bipolar line signal from the “Remote E1 Terminal”.
9
AVDD
-
Positive Supply
- (+3.3V ± 5%). Analog Circuitry.
10
AGND
-
Analog Ground
11
AVDD
Positive Supply
- (+3.3V ± 5%). Receiver 1, 2, 3, 5.
12
RRing2
I
Receiver 2 Negative Bipolar Input:
The Receive Section of Channel 2 uses this input pin, along with RTIP2 to
receive the bipolar line signal from the “Remote E1 Terminal”.
13
RTIP2
I
Receiver 2 Positive Bipolar Input:
The Receive Section of Channel 2 uses this input pin, along with RRing2
to receive the bipolar line signal from the “Remote E1 Terminal”.
PIN DESCRIPTION
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