Generating DTMF Tones Using Z8 Encore!® XP F64xx Series MCUs
●This application note describes how Zilog’s Z8 Encore! XP F64xx Series MCUs can be used as Dual-Tone Multi-Frequency (DTMF) signal encoders to generate DTMF tones. Z8 Encore! XP microcontrollers feature built-in timers and direct memory access (DMA) with three independent channels (DMA0, DMA1 and DMA2). The timers offer Pulse-Width Modulation (PWM) capability and the PWM Register values are loaded using the DMA. These Z8 Encore! XP MCU features are used to generate DTMF signals with less processor overhead.
Z8 Encore!® XP F64xx 、 Z8 Encore! XP F64xx 、 Z8 Encore! XP 、 eZ8™ |
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[ motor control ][ security systems ][ home appliances ][ personal electronic devices ][ sensors ] |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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0911 |
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AN024803-0911 |
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1.2 MB |
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