U3761MB-T Datasheet | Atmel

Features Speech Circuit - - - - Adjustable DC Characteristic Symmetrical Input of Microphone Amplifier Receiving Amplifier for Dynamic or Piezo-electric Earpieces Automatic Line-loss pensation Dialer - - - - - - - - - - - - - - DTMF/Pulse Switchable Pulse Dialing 66/33 or 60/40 or DTMF Dialing Selectable by Pin Selectable Flashing Duration by Key Pad Pause Function Optical Indication of Temporary DTMF Mode Keytone for Pulse Dialing Last Number Redial up to 32 Digits Three by 17 Digits Direct (One-touch) Memory Ten by 17 Digits Indirect (Two-touch) Memory Notice Function up to 32 Digits Standard Low-cost Crystal 3.58 MHz or Ceramic Resonator Handset Mute (Privacy) with Optical Indication Additional Toggle Flipflop Internal Loop Interrupt Detection Universal Telephone IC All Functions Integrated U3761MB-T Tone Ringer - - - - 2-tone Ringer Adjustable Volume RC Oscillator Adjustable Threshold Benefits - Low Number of External ponents - High Quality through One IC Solution Electrostati...