Microchip dsPIC33CH64MP208 Manual de Usario

Microchip No categorizado dsPIC33CH64MP208

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HRPWM with Fine Edge

Placement

dsPIC33/PIC24 Family Reference Manual

Introduction

Note: This family reference manual section is meant to serve as a complement to device data sheets. Depending on

the device variant, this manual section may not apply to all dsPIC33 devices. Please consult the note at the

beginning of the chapter in the specific device data sheet to check whether this document supports the device you

are using.

Device data sheets and family reference manual sections are available for download from the Microchip Worldwide

Website at: www.microchip.com.

This document describes the features and use of the High-Resolution Pulse-Width Modulated (PWM) with Fine Edge

Placement. This flexible module provides features to support many types of Motor Control (MC) and Power Control

(PC) applications, including:

• AC-to-DC Converters

• DC-to-DC Converters

• AC and DC Motor Control: Brushed DC, BLDC, PMSM, ACIM, SRM, Stepper, etc.

• Inverters

• Battery Chargers

• Digital Lighting

• Power Factor Correction (PFC)

High-Level Features

• Up to Eight Independent PWM Generators, each with Dual Outputs

• Operating modes:

– Independent Edge PWM mode

– Variable Phase PWM mode

– Independent Edge PWM mode, Dual Output

– Center-Aligned PWM mode

– Double Update Center-Aligned PWM mode

– Dual Edge Center-Aligned PWM mode

• Output modes:

– Complementary

– Independent

– Push-Pull

• Dead-Time Generator

• Dead-Time Compensation

• Leading-Edge Blanking (LEB)

• Output Override for Fault Handling

• Flexible Period/Duty Cycle Updating Options

• PWM Control Inputs (PCI) for PWM Pin Overrides and External PWM Synchronization

• Advanced Triggering Options

• Combinatorial Logic Output

• PWM Event Outputs

HRPWM with Fine Edge Placement

Table of Contents

Introduction.....................................................................................................................................................1

High-Level Features....................................................................................................................................... 1

1. Registers................................................................................................................................................. 5

2. Register Maps......................................................................................................................................... 6

2.1. Common Functions Register Map................................................................................................7

2.2. PWM Generator Register Map................................................................................................... 21

3. Architecture Overview...........................................................................................................................51

4. Operation.............................................................................................................................................. 54

4.1. PWM Clocking............................................................................................................................54

4.2. PWM Generator (PG) Features..................................................................................................59

4.3. Common Features......................................................................................................................95

4.4. Lock and Write Restrictions......................................................................................................100

5. Application Examples..........................................................................................................................105

5.1. Six-Step Commutation of Three-Phase BLDC Motor...............................................................105

5.2. Three-Phase Sinusoidal Control of PMSM/ACIM Motors.........................................................114

5.3. Simple Complementary PWM Output.......................................................................................117

5.4. Cycle-by-Cycle Current Limit Mode..........................................................................................118

5.5. External Period Reset Mode.................................................................................................... 120

6. Interrupts............................................................................................................................................. 123

7. Operation in Power-Saving Modes..................................................................................................... 124

7.1. Operation in Sleep Mode..........................................................................................................124

7.2. Operation in Idle Mode............................................................................................................. 124

8. Related Application Notes...................................................................................................................125

9. Revision History.................................................................................................................................. 126

9.1. Revision A (August 2017).........................................................................................................126

9.2. Revision B (February 2018)..................................................................................................... 126

9.3. Revision C (February 2019)..................................................................................................... 126

9.4. Revision D (December 2020)................................................................................................... 126

The Microchip Website...............................................................................................................................128

Product Change Notification Service..........................................................................................................128

Customer Support...................................................................................................................................... 128

Microchip Devices Code Protection Feature..............................................................................................128

Legal Notice............................................................................................................................................... 129

Trademarks................................................................................................................................................ 129

Quality Management System..................................................................................................................... 130

HRPWM with Fine Edge Placement

Especificaciones del producto

Marca:	Microchip
Categoría:	No categorizado
Modelo:	dsPIC33CH64MP208
Color del producto:	Black, Orange
Pantalla incorporada:	Nee
Cantidad por paquete:	1 stuk(s)
Voltaje de operación de entrada (min):	6 V
Tensión de operación interna (máx.):	24 V