AS2540 single-chip-telephone equivalent, remote controlled single-chip-telephone.
- Line Interface, Speech Circuit, MF Dialler and Tone Ringer on a 28 pin CMOS chip
- Programmable via 2-wire serial interface (UART 9600 baud, 8N1)
- Watch dog timer for .
- Web Telephones - Answering Machines - Fax Machines - Base Station of Cordless Telephones - Hospital Communication Unit.
The AS2540 is a CMOS integrated circuit that incorporates a speech circuit (line-adaptation, 2/4-wire conversion, separate Rx- and Tx-amplifiers for handset and modem), MF dialler, ring frequency detector, ring melody generator and a two wire serial .
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