DS96-L147-203 CONEXANT [Conexant Systems, Inc], DS96-L147-203 Datasheet - Page 54

• Manufacturer Part Number: DS96-L147-203
• Description: SmartV.XX Modem
• Manufacturer: CONEXANT [Conexant Systems, Inc]

3.2
3.2.1
3.2.1.1
3.2.1.2
3.2.1.3
3-22
CX20493 LSD Hardware Pins and Signals
CX20493 LSD Signal Summary
Smart Modem Interface (Through DIB)
The DIB interface, power, and ground signals are:
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Telephone Line Interface
The telephone line interface signals are:
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Voltage References
There are three reference voltage pins:
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Clock (CLK, pin 26); input
Digital Power (PWR+, pin 7); unregulated input power
Regulated Digital Voltage Supply (DVdd, pin 24)
Digital Ground (DGnd, pin 23); digital ground
Regulated Analog Voltage Supply (AVdd, pin 2)
Analog Ground (AGnd, pin 6); analog ground
Data Positive (DIB_P, pin 27); input/output
Data Negative (DIB_N, pin 28); input/output
RING 1 AC Coupled (RAC1, pin 21); input
TIP 1 AC Coupled (TAC1, pin 20); input
RING 2 AC Coupled (RAC2, pin 19); input
TIP 2 AC Coupled (TAC2, pin 18); input
TIP and RING DC Measurement (TRDC, pin 12); input
Electronic Inductor Capacitor (EIC, pin 11)
Electronic Inductor Output (EIO, pin 17)
Electronic Inductor Feedback (EIF, pin 16)
Receive Analog Input (RXI, pin 9); input
Transmit Output (TXO, pin 14); output
Transmit Feedback (TXF, pin 13); input
Virtual Impedance 0 (VZ, pin 10); input
Electronic Inductor Ground (DC_GND, pin 15)
Output Middle (Center) Reference Voltage (Vc, pin 3); output for decoupling
Output Reference Voltage (VRef, pin 4); output for decoupling
Bias Resistor (RBias, pin 5); input
CX81801-7x/8x SmartV.XX Modem Data Sheet
Conexant
102199B