5/10/2023 0 Comments Dtmf frequency![]() The system oscillator of HT9200A consists of an inverter, a bias resistor, and the required load capacitor on a chip. It can be instructed by an MCU to generate 16 dual tones and 8 single tones from the DTMF pin, and it provides a Serial Mode. The HT9200A is an SMD tone generator IC designed for MCU interfaces. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.ĭTMF Generator Click is based on the HT9200A, a dual-tone multi-frequency decoder designed for mobile communication systems from Holtek Semiconductor Inc. This Click board™ is suitable for various applications such as security systems, home automation, remote control through telephone lines, communication systems, and more.ĭTMF Generator Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. It provides a Serial Mode interface, has a low total harmonic distortion and features a low current in the Stand-By mode. ![]() The HT9200A tone generators can be instructed by an MCU to generate 16 dual tones and 8 single tones from its DTMF pin. This board features the HT9200A, a dual-tone multi-frequency decoder mostly used in mobile communications systems from Holtek Semiconductor Inc. DTMF Generator Click is a compact add-on board that generates DTMF (Dual-Tone Multi-Frequency) signals designed for MCU interfaces.
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