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AN2247 - Analog - Low CPU Consumption DTMF Detector | Cypress Semiconductor

AN2247 - Analog - Low CPU Consumption DTMF Detector

Last Updated: 
Jun 30, 2014
Version: 
*C
This is an Obsolete Application Note
The document AN2247 - Analog - Low CPU Consumption DTMF Detector has been marked as obsolete. The obsolete version of this application note is still available with the below description but may not be complete or valid any longer. If you have any questions or require support in regards to the below application note content, please click here and create a technical support case.

AN2247 demonstrates the ability of the PSoC® device to create frequency filters. This device was selected to create an efficient dual-tone multi-frequency (DTMF) detector with minimal CPU consumption.