Control Peripherals

Configure and use control peripherals such as PWM, eCAP, eQEP, SDFM, and more

Create Simulink^® models with the control peripherals such as PWM, eCAP, eQEP, SDFM, and more available on the TI’s C2000™ microcontrollers. Configure the Simulink model to interface with supported target hardware using model configuration parameters. You can map tasks and peripherals in a model to hardware board configurations using Hardware Mapping tool. The blocks are processor specific and is not available on all the TI’s C2000 microcontrollers.

Blocks

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PWM

C281x PWM	Pulse width modulators (PWMs)
c280x/C2802x/C2803x/C2805x/C2806x/C2833x/C2834x/F28M3x/F2807x/F2837xD/F2837xS/F2838x/F2800xx ePWM	Generate enhanced Pulse Width Modulated (ePWM) waveforms

eCAP, eQEP, QEP

C28x eCAP	Receive and log transitions on capture input pin or configure auxiliary pulse width modulator
C28x eQEP	Quadrature encoder pulse block used to derive position, direction, and speed
C281x QEP	Quadrature encoder pulse circuit

HRCAP

Capture pulse width in normal or high-resolution modes (Since R2023b)

SDFM

F2807x/F2837xD/F2837xS/F28004x/F28003x/F2838x SDFM

Configure filter channel for SDFM Module (Since R2020b)

Tools

Hardware Mapping

Map tasks and peripherals in a model to hardware board configurations (Since R2022b)

Model Settings

Model Configuration Parameters for Texas Instruments C2000 Processors

Topics

Sharing General Purpose Timers Between C281x Peripherals
Sharing General Purpose Timer between C281x Peripherals
Overview of Time-Base Synchronization in ePWM Type 4
Time-base synchronization in ePWM Type4.

Featured Examples

Using Sigma Delta Filter Module (SDFM) to Measure the Analog Input Signal

Use the Sigma Delta Filter Module (SDFM) to measure the analog input signal for Texas Instruments™ C2000™ Microcontroller Blockset. Using this example, you can:

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ADC-PWM Synchronization Using ADC Interrupt

Use the ADC block to sample an analog voltage and use the PWM block to generate a pulse waveform. This example also shows how to use the Hardware Interrupt block to synchronize the change in the PWM duty cycle with analog to digital conversion of voltage. In the generated code, changes in the voltage of the ADC input alter the duty cycle of the PWM output. The period of the PWM waveform remains constant.

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Asynchronous Scheduling

Use the Texas Instruments™ C28x™ peripherals and Hardware Interrupt blocks to control the real-time execution of Simulink® function-call subsystems in an asynchronous fashion.

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Modify Duty Cycle of ePWM Using DMA

Configure the direct memory access (DMA) parameters to modify the ePWM duty cycle. Using DMA, the sine wave data is copied from a look-up table to the ePWM compare register.

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Using Time-Base Counter Synchronization to Synchronize ePWMs and eCAPS

Use time-base counter synchronization in C2000™ Microcontroller Blockset.

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Using HRCAP to Capture Input Signals

Use High-Resolution Capture (HRCAP) Block to capture the input signals using C2000™ Microcontroller Blockset.

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