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參數(shù)資料
| 型號(hào)： | XRT5897 |
| 廠商： | Exar Corporation |
| 英文描述： | Seven-Channel E1 Line Interface (3.3V or 5.0V)(七通道E1 3.3V線接口單元) |
| 中文描述： | 七通道E1線路接口（3.3V或5.0V），（七通道素E1 3.3線接口單元） |
| 文件頁(yè)數(shù)： | 5/20頁(yè) |
| 文件大?。?/td> | 959K |
| 代理商： | XRT5897 |
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XRT5897
5
Rev. 1.10
PIN DESCRIPTION (CONT’D)
Pin #
Symbol
Type
Description
36
LOS2
O
Receiver 2 Loss of Signal.
Asserted during LOS condition.
37
V
CC
Digital Supply (+3.3V + 5%).
Digital circuitry.
Loss of Signal Delay Select.
“Hi” selects G.775, “Lo” selects user programmable.
1
38
LOSSEL
I
39
GND
Digital Ground.
40
LOS5
O
Receiver 5 Loss of Signal.
Asserted during LOS condition.
41
RXPOS5
O
Receiver 5 Positive Data Out.
Positive RZ data output for channel 5.
42
RXNEG5
O
Receiver 5 Negative Data Out.
Negative RZ data output for channel 5.
Transmitter 5 Clock Input.
Use for clocked mode with NRZ data.
1
Transmitter 5 Negative Data Input.
Negative NRZ or RZ data input.
1
Transmitter 5 Positive Data Input.
Positive NRZ or RZ data input.
1
43
TXCLK5
I
44
TXNEG5
I
45
TXPOS5
I
46
RXNEG4
O
Receiver 4 Negative Data Out.
Negative RZ data output for channel 4.
47
RXPOS4
O
Receiver 4 Positive Data Out.
Positive RZ data output for channel 4.
48
LOS4
O
Receiver 4 Loss of Signal.
Asserted during LOS condition.
Transmitter 4 Positive Data Input.
Positive NRZ or RZ data input.
1
Transmitter 4 Negative Data Input.
Negative NRZ or RZ data input.
1
Transmitter 4 Clock Input.
Use for clocked mode with NRZ data.
1
49
TXPOS4
I
50
TXNEG4
I
51
TXCLK4
I
52
RRING4
I
Receiver 4 Negative Bipolar Input.
53
RTIP4
I
Receiver 4 Positive Bipolar Input.
54
GND
Analog Ground.
55
TTIP4
O
Transmitter 4 Positive Bipolar Output.
56
V
CC
Positive Supply (+3.3V + 5%).
Transmitter channel 4.
57
TRING4
O
Transmitter 4 Negative Bipolar Output
.
58
GND
Digital Ground.
Transmitter channel 4.
59
TRING5
O
Transmitter 5 Negative Bipolar Output.
60
V
CC
TTIP5
Positive Supply (+3.3V + 5%).
Transmitter channel 5.
61
O
Transmitter 5 Positive Bipolar Output.
62
GND
Digital Ground.
Transmitter channel 5.
63
RTIP5
I
Receiver 5 Positive Bipolar Input.
64
RRING5
I
Receiver 5 Negative Bipolar Input.
65
V
CC
GND
Positive Supply (+3.3V + 5%).
Low level transmitter analog circuitry.
66
Analog Ground.
Low level transmitter analog circuitry.
67
V
CC
Positive Supply (+3.3V + 5%).
Receiver channels 4, 5, and 6.
68
RRING7
I
Receiver 7 Negative Bipolar Input.
69
RTIP7
I
Receiver 7 Positive Bipolar Input.
70
RRING6
I
Receiver 6 Negative Bipolar Input.
Note
:
1
Has internal pull-up 50K
resistor.
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