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Apparatus and method for digital phase control of a pulse width modulation generator for microprocessor/DSP in integrated circuits
Apparatus and method for digital phase control of a pulse width modulation generator for microprocessor/DSP in integrated circuits
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机译:用于集成电路中微处理器/ DSP的脉宽调制发生器的数字相位控制的设备和方法
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摘要
In a digital pulse width modulation generator unit, a phase register is coupled to the clocked counter providing the generator unit time base. In response to a control signal, the contents of the phase register over-write the present counter, thereby changing the phase of pulse width modulated generator output signal. When a plurality of pulse width modulated generator units, the phases of the units can be controlled relative to a reference generator. The contents of the phase register can be altered by hardware or by software.
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