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Home Blog Hardware-controlled brushless DC motors ease the burden on CPUs
In “Hardware-controlled brushless dc motors ease the burden on CPUs ,” Triton Hurd and Isaac Sever of Cypress Semiconductor describe a method of hardware-only motor commutation that offloads the CPU from the burden of maintaining a motor’s speed, freeing it to perform other functions, such as RF communication, data encryption, or 3-D-position calculations.
The technique is most useful when the motor control subsystem must deal with constant high-priority interrupts that increase in frequency as the speed of the motor increases, taxing the capabilities of the MCU.
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