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Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), [1] is any method of representing a signal as a rectangular wave with a varying duty cycle (and for some methods also a varying period). PWM is useful for controlling the average power or amplitude delivered by an
Servo and receiver connections A diagram showing typical PWM timing for a servomotor. Servo control is a method of controlling many types of RC/hobbyist servos by sending the servo a PWM (pulse-width modulation) signal, a series of repeating pulses of variable width where either the width of the pulse (most common modern hobby servos) or the duty cycle of a pulse train (less common today ...
Download QR code; Print/export Download as PDF; ... A PMIC can use pulse-frequency modulation (PFM) and pulse-width modulation (PWM). It can use switching ...
The BASIC Stamp is programmed in a variant of the BASIC language, called PBASIC. PBASIC incorporates common microcontroller functions, including PWM, serial communications, I²C and 1-Wire communications, communications with common LCD driver circuits, hobby servo pulse trains, pseudo-sine wave frequencies, and the ability to time an RC circuit which may be used to detect an analog value.
A digital signal controller (DSC) is a hybrid of microcontrollers and digital signal processors (DSPs). Like microcontrollers, DSCs have fast interrupt responses, offer control-oriented peripherals like PWMs and watchdog timers, and are usually programmed using the C programming language, although they can be programmed using the device's native assembly language.
OpenVReg Type 2+1 is a multi-phase PWM buck switching regulator controller with two integrated gate drivers and an external gate driver to provide the third phase PWM signal output. OpenVReg Type 2+1 is programmable for 1-, 2-, or 3-phase operation.
PWM output (some devices have an enhanced PWM peripheral which includes a dead-time generator) Input capture that record a time stamp triggered by a signal edge; Analog comparator; 10 or 12-bit A/D converters, with multiplex of up to 16 channels; 12-bit D/A converters; A variety of serial interfaces, including I²C compatible Two-Wire Interface ...
The drivers can be paralleled for even higher current output. Even further, stacking one chip on top of another, both electrically and physically, has been done. Generally it can also be used for interfacing with a stepper motor , where the motor requires high ratings which cannot be provided by other interfacing devices.