參數(shù)資料
型號(hào): XRT5894
廠商: Exar Corporation
英文描述: Four-Channel E1 Line Interface (3.3V or 5.0V)(四通道E1 3.3V線接口單元)
中文描述: 四通道E1線路接口(3.3V或5.0V),(四通道素E1 3.3線接口單元)
文件頁(yè)數(shù): 5/19頁(yè)
文件大小: 867K
代理商: XRT5894
XRT5894
5
Rev. 1.10
PIN DESCRIPTION (CONT’D)
Pin #
Symbol
Type
Description
35
GND
Analog Ground.
36
TTIP3
O
Transmitter 3 Positive Bipolar Output.
37
V
CC
Positive Supply (+3.3V or +5.0V + 5%
)
.
Transmitter channel 3.
38
TRING3
O
Transmitter 3 Negative Bipolar Output.
39
GND
Analog Ground.
Transmitter channel 3.
40
V
CC
GND
Positive Supply (+3.3V or +5.0V + 5%
)
.
Analog circuitry.
41
Analog Ground.
42
RRING4
I
Receiver 4 Negative Bipolar Input.
43
RTIP4
I
Receiver 4 Positive Bipolar Input.
44
GND
Analog Ground.
Loss of Signal Timing Clock Input.
For user--programmable LOS delay.
1
45
LOSCNT
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
GND
Analog Ground.
Transmitter channel 4.
53
TTIP4
O
Transmitter 4 Positive Bipolar Output.
54
V
CC
Positive Supply (+3.3V or +5.0V + 5%
)
.
Transmitter channel 4.
55
TRING4
O
Transmitter 4 Negative Bipolar Output.
56
GND
Digital Ground.
57
GND
Analog Ground.
58
TRING1
O
Transmitter 1 Negative Bipolar Output.
59
V
CC
TTIP1
Positive Supply (+3.3V or +5.0V + 5%
)
.
Transmitter channel 1.
60
O
Transmitter 1 Positive Bipolar Output.
61
GND
Analog Ground.
Transmitter channel 1.
Transmitter 1 Clock Input.
Use for clocked mode with NRZ data.
1
Transmitter 1 Negative Data Input.
Negative NRZ or RZ data input.
1
Transmitter 1 Positive Data Input.
Positive NRZ or RZ data input.
1
62
TXCLK1
I
63
TXNEG1
I
64
TXPOS1
I
Note
:
1
Has internal pull-up 50K
resistor.
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