DS56-L492-001 Ver la hoja de datos (PDF) - Unspecified

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DS56-L492-001

SmartACFL Modem

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SmartACFL

V.90/K56flex Modem Device Sets with SmartDAA Technology for Low Power Applications

LSD Hardware Pins and Signals

MDP Interface (Through DIB)

The DIB interface signals are:

• Clock (CLK); input

• Digital Power (PWR+); input power

• Digital Ground (DGND); digital ground

• Data Positive (DIB_P); input

• Data Negative (DIB_N); input

Telephone Line Interface

The telephone line interface signals are:

• RING AC Coupled (RAC1); input

• TIP AC Coupled (TAC1); input

• Electronic Inductor Resistor (EIR); output

• TIP and RING DC Measurement (TRDC); input

• DAC Output Voltage (DAC); output

• Electronic Inductor Capacitor (EIC)

• Electronic Inductor Output (EIO)

• Electronic Inductor Feedback (EIF)

• Resistive Divider Midpoint (DCF)

• Transmit Analog Output (TXA); output

• Receive Analog Input (RXI); input

• Receiver Gain (RXG); output

• MOV Enable (MOVEN); output

• World-wide Impedance 0 (ZW0); input

• US Impedance 0 (ZUS0); input

• Transmit Feedback (TXF); input

• Transmit Output (TXO); output

LSD Signal Interface and Pin Assignments

The LSD (20463) 32-pin TQFP hardware interface

signals are shown by major interface in Figure 7.

The LSD (20463) 32-pin TQFP pin signals are

shown in Figure 8.

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Conexant

Doc. No. 100444A

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