Microcomputer with built-in motor control circuit
US5550451A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Aug 27, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/7814
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A microcomputer with a built-in motor control circuit comprising a PWM generating circuit capable of automatically inverting a start level of PWM output or of changing the start level according to an optional preset pattern, an interruption request control circuit for controlling an interruption timing, and a multi-function reload register, is configured such that a start level content is inverted automatically at every period by setting a variable required for the conversion at a program executed on CPU when the start level content of the PWM output is inverted at every period, so as to make the setting unnecessary at every interruption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.