FSK Modem And DTMF Codec

The CMX865 is a multi-standard modem for use in telephone based information and telemetry systems. Control of the device is via a simple high speed serial bus, compatible with most types of C serial Interface The data transmitted and received by the modem is also transferred over the same serial bus. On-chip programmable Tx and Rx USARTs are provided for use with asynchronous data and allow unformatted synchronous data to be received or transmitted as 8-bit words. A high-quality DTMF decoder with excellent immunity to falsing on voice and a standard DTMF encoder are included. Alternatively, these blocks CAN be used to transmit and detect user-specific, programmed single and dual-tone signals, call progress signals or modem calling and answering Tones By Consumer Microcircuits Limited
CMX865 's PackagesCMX865 's pdf datasheet

CMX865 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
CMX865 Application circuits
CMX865 circuits
This is one application circuit of CMX865,If you need more circuits,please download CMX865's pdf datasheet.

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CMX865 Application Notes CMX865 RoHS CMX865 Circuits CMX865 footprint