DSCX-V34LF-066 View Datasheet(PDF) - Conexant Systems
Part Name
Description
MFG CO.
DSCX-V34LF-066
Conexant Systems
'DSCX-V34LF-066' PDF : 82 Pages View PDF
CX86500 SCXV.xx Modem Data Sheet
3.4
3.4.1
3.4.1.1
3.4.1.2
3.4.1.3
CX20493 LSD 28-Pin QFN Hardware Pins and Signals
CX20493 LSD 28-Pin QFN Signal Summary
CX86500 Interface (Through DIB)
The DIB interface, power, and ground signals are:
• 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
Telephone Line Interface
The telephone line interface signals are:
• 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)
Voltage References
There are three reference voltage pins:
• 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
102287F
Conexant
3-17
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