[CONEXANT]

V.90/K56flex/V.34/V.32bis Modem Device Sets with Microcontroller (L2702), Modem Data Pump (P9373), SmartDAA (20463), and Optional Voice Codec (20437) for Low Power Applications

The Conexant SmartACFL V.90/K56flex Modem Device Set with SmartDAA technology supports analog data up to 56 Kbps, analog fax to 14.4 Kbps, telephone answering machine (TAM), V.80 synchronous access mode, onboard DSVD, voice/speakerphone (optional), and cellular/GSM operation. Serial, parallel, or PC Card host interface operation is supported depending on the selected model (Table 1).

FEATUREs
• V.90 data/V.17 fax modem
• SmartDAA technology
   − System side powered DAA operates under poor line current supply conditions
   − Wake-on-ring
   − Ring detection
   − Line polarity reversal detection
   − Line current loss detection
   − Pulse dialing
   − Call waiting detection
   − Digital PBX line protection
   − Meets world-wide DC VI Masks requirements
   − Caller ID detection
• Data/Fax/Voice call discrimination
• Hardware-based modem controller
• Hardware-based digital signal processor (DSP)
• Voice/full-duplex speakerphone mode (S models)
• V.70 DSVD using optional RCDSVD SCP (S models)
• World-wide operation
• Industry standard communication commands
• Selectable parallel/serial interface with speeds up to 230.4 kbps
   − Parallel 16550A UART-compatible interface
   − Serial ITU-T V.24 (EIA/TIA-232-E)
• V.80 synchronous access mode
• Direct mode (serial interface)
• Synchronous data mode (serial interface)
• V.22 bis fast connect
• Analog cellular direct connect
• GSM direct connect
• Sleep mode
• Thin packages support low profile designs
• +3.3V operation with +5V tolerant digital inputs