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XRT5997IV Datasheet(PDF) 8 Page - Exar Corporation |
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XRT5997IV Datasheet(HTML) 8 Page - Exar Corporation |
8 / 37 page XRT5997 8 Rev. 1.0.0 Pin# Symbol Type Description 34 RxNEG2 O Receiver 2 Negative Data Out: This output pin will pulse “high” whenever Channel 2, within the XRT5997 device has received a “Negative Polarity” pulse, in the incoming line signal, at RTIP2/RRing2 inputs. 35 RxPOS2 O Receiver 2 Positive Data Out: This output pin will pulse “high” whenever Channel 2, within the XRT5997 device has received a “Positive Polarity” pulse, in the incoming line signal, at RTIP2/RRing2 inputs. 36 LOS2 O Receiver 2 Loss of Signal: This output pin toggles “high” if Channel 2, within the XRT5997 device has detected a “Loss of Signal” condition in the incoming line signal. 37 DVDD - Positive Supply (+3.3V ± 5%). Digital Circuitry. 38 DVDD - Positive Supply (+3.3V ± 5%). Digital Circuitry. 39 DGND - Digital Ground: Digital Circuitry. 40 LOS5 O Receiver 5 Loss of Signal: This output pin toggles “high” if Channel 5, within the XRT5997 device has detected a “Loss of Signal” condition in the incoming line signal. Note: 1Internally pull-up with 50K resistor 41 RxPOS5 O Receiver 5 Positive Data Out: This output pin will pulse “high” whenever Channel 5, within the XRT5997 device has received a “Positive Polarity” pulse, in the incoming line signal, at RTIP5/RRing5 inputs. 42 RxNEG5 O Receiver 5 Negative Data Out: This output pin will pulse “high” whenever Channel 5, within the XRT5997 device has received a “Negative Polarity” pulse, in the incoming line signal, at RTIP5/RRing5 inputs. 43 TxClk5 I Transmitter Clock Input – Channel 5: If the user operates Channel 5 (within the XRT5997 device) in the “clocked” mode, then the “Transmit Section” of the Channel 5 will use the falling edge of this signal to sample the data at the TxPOS5 and TxNEG5 input pins. NOTE: If the user operates the Channel 5 in the “clockless” mode, then the Terminal Equipment should not apply a clock signal to this input pin. PIN DESCRIPTION (CONT'D) Note: 1 Internally pull-up with 50K resistor. |
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