Quadrature Decoder Design Using Microcontroller On-Chip Configurable Logic
Technical Report,01 Feb 2020,29 Feb 2020
CCDC Army Research Laboratory Aberdeen Proving Ground United States
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The US Army Combat Capabilities Development Command CCDC Army Research Laboratory has developed a highly maneuverable airframe for long-range precision munitions research. This new design requires four quadrature encoders, more than the number available on the real-time microcontroller CCDC Army Research Laboratory employs for actuator control. Texas Instruments configurable logic block was used to provide a low-cost, elegant solution using on-chip configurable logic to construct an additional decoder. In addition, since microcontroller on-chip configurable logic is relatively new and outside the scope of typical microcontroller-programming expertise, this note serves as a valuable example for future designs.
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