General Description
The SA2532K is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone.

Key Features
• Speech Circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip
• Low Noise
• 31 digit Last Number Redial
• Line Loss Compensation selectable by pin option
• 2 Timed Break Recall keys
• Moving Cursor protocol with comparison
• On chip MF filter (CEPT CS 203 compatible)
• Pause key for auto pause or wait function
• Power down mode
• Ring frequency discrimination
• Selectable Loop-Disconnect or DTMF dialling modes
• Real or complex impedance programmable
• Soft Clipping to avoid harsh distortion
• Uses inexpensive 3.58MHz ceramic resonator
• Operating range from 13 to 100 mA
• 3 Tone melody generator