Apparatus and method for digital phase control of a pulse width modulation generator for microprocessor/DSP in integrated circuits
US7362152B2 · kind B2 · utility
11Cited by
1References
18Claims
0Family size
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Key dates
| Filing date | Mar 3, 2005 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Mar 3, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/4902
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.