Nuvoton - Pro-X Single Programmable Extended CODEC/SLCC Page 1 of 3 REG News & Events Pro-X Single Programmable Extended CODEC/SLCC The W681388 implements a single channel FXS telephone line interface optimized for short loop applications. It integrates SLCC (Subscriber Line Control Circuit) functionality with a programmable CODEC and a DC-to-DC controller. The SLCC supports internal ringing up to 90 VPK (5 REN at 4 kft) ideal for customer premise equipment (CPE). The CODEC can be configured for ?-law/A-law or 16-bit linear PCM encoding and supports a comprehensive set of signaling capabilities required to supervise and control both telephone lines. These include tone generation, including ring tones, DTMF generation and detection as well as FSK and metering pulse generation. An on-chip pulse width modulation (PWM) driver allows the control of DC-to-DC conversion for the line. Programmable impedance and transhybrid Related Li Block Diagram Key Features Benefits/Applic Application Dia Product Brief Request Datas Product Selecti How To Buy balancing allow for worldwide deployment. For additional technical documentation, please Contact Sales. All packages available in Pb-free Block Diagram http://www.nuvoton-usa.com/en/content/view/327/554/ 10/23/2008 Nuvoton - Pro-X Single Programmable Extended CODEC/SLCC Page 2 of 3 Key Features Performs complete BORSCHT functions for a single channel with a single device Internal balanced ringing up to 90 VPK (5 REN up to 4 kft) Integrated Power Management Integrated DC-to-DC controller regulates battery voltage to minimize power dissipation in all operating modes Programmable linefeed characteristics Ringing frequency, amplitude, cadence Trapezoidal and Sinusoidal waveforms Two-wire AC impedance, transhybrid balance Constant Current feed (20 to 41 mA) Ring trip and loop closure threshold Programmable signal generation DTMF generation and detection Metering pulse generation (12/16 kHz) Enhanced Caller ID (FSK) generation (Type I and Type II) Tone generation (up to four simultaneous) G.711 -Law/A-Law / 16-bit linear PCM audio Programmable audio path gains Benefits High integration reduces overall system BOM and footprint Low power consumption for battery-backup and other power sensitive applications High programmability reduces real-time software overhead Extensive line sensing enables diagnostics support Loop test and diagnostics support Integrated loopback modes Real-time linefeed monitoring On-chip temperature sensor PCM and SPI bus digital interfaces PCM Master and Slave modes supported On-chip PLL for flexible clocking options including 1 2.000 MHz BCLK operation 3.3V operation Small Footprint Packages:LQFP-48, QFN-48 Applications Analog Telephone Adapter Voice enabled DSL Modems Voice enabled Cable Modems Residential VoIP Gateways / Routers Integrated Access Devices Fiber to the Premise/Home (FTTP/H) Optical Network Terminals (ONT) Set Top Boxes Wireless Local Loop, PBX, ISDN NT1/TA http://www.nuvoton-usa.com/en/content/view/327/554/ 10/23/2008 Nuvoton - Pro-X Single Programmable Extended CODEC/SLCC Page 3 of 3 Application Diagram Product Selection Guide Part Number Description Packag W681388DG Single channel FXS telephone line interface, -law/A-law or 16-bit linear PCM LQFP-48 P W681388YG Single channel FXS telephone line interface, -law/A-law or 16-bit linear PCM QFN-48 P Legal Terms and Conditions | Privacy Statement | Contact Us (c)2008 Nuvoton Technology Corporation America - All Rights Reserv http://www.nuvoton-usa.com/en/content/view/327/554/ 10/23/2008