Microchip Technology dsPIC33F Family Especificações

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-1High-Speed PWM43Section 43. High-Speed PWMHIGHLIGHTSThis section of the manual contains the fo

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-10 © 2008-2012 Microchip Technology Inc.Register 43-5: STCON: PWM Secondary Master Time Base C

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-100 © 2008-2012 Microchip Technology Inc.Figure 43-52: Current Reset PWMExternal current compa

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-101Section 43. High-Speed PWMHigh-Speed PWM4343.16.6 Constant Off-Time PWMConstant Off-Time PWM

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-102 © 2008-2012 Microchip Technology Inc.Figure 43-54: Current-Limit PWM+LILPWMDVOUTCOUT˜SPWMx

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-103Section 43. High-Speed PWMHigh-Speed PWM4343.17 BURST MODE IMPLEMENTATIONIn applications wh

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-104 © 2008-2012 Microchip Technology Inc.The scenario previously described can be prevented by

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-105Section 43. High-Speed PWMHigh-Speed PWM4343.18.3 PWM – Interrupt Controller Interconnect43.

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-106 © 2008-2012 Microchip Technology Inc.Figure 43-56: Staggering of CPU Load PWM2H PWM2L PWM1

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-107Section 43. High-Speed PWMHigh-Speed PWM4343.19 REGISTER MAPTable 43-8 and Ta ble 43- 9 map

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-108 © 2008-2012 Microchip Technology Inc.Table 43-9: High-Speed PWM Register Map for Devices w

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-109Section 43. High-Speed PWMHigh-Speed PWM4343.20 RELATED APPLICATION NOTESThis section lists

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-11Section 43. High-Speed PWMHigh-Speed PWM43Register 43-6: STCON2: PWM Secondary Clock Divider

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-110 © 2008-2012 Microchip Technology Inc.43.21 REVISION HISTORYRevision A (February 2008)This

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-111Section 43. High-Speed PWMHigh-Speed PWM43Revision C (March 2010)• Equations:- Updated the f

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-112 © 2008-2012 Microchip Technology Inc.Revision C (March 2010) (Continued)- Added a Note on

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-113Section 43. High-Speed PWMHigh-Speed PWM43Revision C (March 2010) (Continued)- Updated the f

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-114 © 2008-2012 Microchip Technology Inc.Revision D (March 2011) This revision includes the fo

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-115Section 43. High-Speed PWMHigh-Speed PWM43Revision E (July 2012)This revision incorporates t

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-116 © 2008-2012 Microchip Technology Inc.Revision E (July 2012) (Continued)• Sections:- Update

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-117Information contained in this publication regarding deviceapplications and the like is provi

DS70323E-page 43-118 © 2008-2012 Microchip Technology Inc.AMERICASCorporate Office2355 West Chandler Blvd.Chandler, AZ 85224-6199Tel: 480-792-7200 Fax

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-12 © 2008-2012 Microchip Technology Inc.Register 43-7: STPER: Secondary Master Time Base Perio

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-13Section 43. High-Speed PWMHigh-Speed PWM43 Register 43-9: CHOP: PWM Chop Clock Generator Regi

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-14 © 2008-2012 Microchip Technology Inc.Register 43-11: PWMCONx: PWM Control RegisterHS/HC-0 H

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-15Section 43. High-Speed PWMHigh-Speed PWM43bit 7-6 DTC<1:0>: Dead Time Control bits(3)11

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-16 © 2008-2012 Microchip Technology Inc.Register 43-12: PDCx: PWM Generator Duty Cycle Registe

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-17Section 43. High-Speed PWMHigh-Speed PWM43 Register 43-13: SDCx: PWM Secondary Duty Cycle Reg

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-18 © 2008-2012 Microchip Technology Inc.Register 43-14: PHASEx: PWM Primary Phase Shift Regist

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-19Section 43. High-Speed PWMHigh-Speed PWM43Register 43-15: SPHASEx: PWM Secondary Phase Shift

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-2 © 2008-2012 Microchip Technology Inc.43.1 INTRODUCTIONThis section describes the High-Speed

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-20 © 2008-2012 Microchip Technology Inc.Register 43-16: DTRx: PWM Dead Time RegisterU-0 U-0 R/

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-21Section 43. High-Speed PWMHigh-Speed PWM43Register 43-18: TRGCONx: PWM Trigger Control Regist

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-22 © 2008-2012 Microchip Technology Inc. Register 43-19: IOCONx: PWM I/O Control RegisterR/W-0

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-23Section 43. High-Speed PWMHigh-Speed PWM43bit 3-2 CLDAT<1:0>: State for PWMxH and PWMxL

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-24 © 2008-2012 Microchip Technology Inc.Register 43-20: TRIGx: PWM Primary Trigger Compare Val

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-25Section 43. High-Speed PWMHigh-Speed PWM43Register 43-22: FCLCONx: PWM Fault Current-Limit Co

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-26 © 2008-2012 Microchip Technology Inc.bit 9 CLPOL: Current-limit Polarity bit for PWM Genera

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-27Section 43. High-Speed PWMHigh-Speed PWM43Register 43-23: LEBCONx: Leading-Edge Blanking Cont

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-28 © 2008-2012 Microchip Technology Inc.Register 43-24: LEBCONx: Leading-Edge Blanking Control

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-29Section 43. High-Speed PWMHigh-Speed PWM43Register 43-25: LEBDLYx: Leading-Edge Blanking Dela

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-3Section 43. High-Speed PWMHigh-Speed PWM4343.3 CONTROL REGISTERSThis section outlines the spe

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-30 © 2008-2012 Microchip Technology Inc.Register 43-26: AUXCONx: PWM Auxiliary Control Registe

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-31Section 43. High-Speed PWMHigh-Speed PWM43Register 43-27: PWMCAPx: Primary PWM Time Base Capt

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-32 © 2008-2012 Microchip Technology Inc.43.4 ARCHITECTURE OVERVIEWFigure 43-1 illustrates an

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-33Section 43. High-Speed PWMHigh-Speed PWM43The High-Speed PWM module contains upto nine PWM ge

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-34 © 2008-2012 Microchip Technology Inc.Figure 43-2: High-Speed PWM Module Register Interconne

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-35Section 43. High-Speed PWMHigh-Speed PWM4343.5 MODULE DESCRIPTION43.5.1 PWM Clock SelectionT

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-36 © 2008-2012 Microchip Technology Inc.For devices with remappable I/O, refer to Section 42.

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-37Section 43. High-Speed PWMHigh-Speed PWM43The ACLK for the PWM module can be derived from the

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-38 © 2008-2012 Microchip Technology Inc.Example 43-3: Using FVCO as the Auxiliary Clock Source

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-39Section 43. High-Speed PWMHigh-Speed PWM4343.5.4 Center-Aligned PWMThe center-aligned PWM wav

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-4 © 2008-2012 Microchip Technology Inc.• PHASEx: PWM Primary Phase Shift Register - Provides t

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-40 © 2008-2012 Microchip Technology Inc.43.5.4.1 ADVANTAGES OF CENTER-ALIGNED MODE IN UPS APPL

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-41Section 43. High-Speed PWMHigh-Speed PWM4343.5.5 Master Time Base/Synchronous Time BaseThe PW

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-42 © 2008-2012 Microchip Technology Inc.43.5.6 Time Base SynchronizationThe master time base c

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-43Section 43. High-Speed PWMHigh-Speed PWM4343.5.7 Special Event TriggerThe High-Speed PWM modu

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-44 © 2008-2012 Microchip Technology Inc.43.5.8 Independent PWM Time BaseThe PWM functionality

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-45Section 43. High-Speed PWMHigh-Speed PWM4343.6 PWM GENERATORThis section describes the funct

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-46 © 2008-2012 Microchip Technology Inc.Based on Equation 43-4, while operating in the PTPER r

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-47Section 43. High-Speed PWMHigh-Speed PWM4343.6.2 PWM Duty Cycle ControlThe duty cycle determi

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-48 © 2008-2012 Microchip Technology Inc.Figure 43-13: Secondary Duty Cycle ComparisonThe Duty

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-49Section 43. High-Speed PWMHigh-Speed PWM43Based on Equation 43-5, when the master, independen

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-5Section 43. High-Speed PWMHigh-Speed PWM43• LEBDLYx: Leading-Edge Blanking Delay Register - Sp

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-50 © 2008-2012 Microchip Technology Inc.43.6.3 Dead Time GenerationDead time refers to a progr

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-51Section 43. High-Speed PWMHigh-Speed PWM4343.6.4 Dead Time GeneratorsEach complementary outpu

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-52 © 2008-2012 Microchip Technology Inc.43.6.5 Dead Time RangesThe dead time duration provided

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-53Section 43. High-Speed PWMHigh-Speed PWM4343.6.8 Dead Time Insertion in Center-Aligned ModeWh

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-54 © 2008-2012 Microchip Technology Inc.Figure 43-16: Phase Shifting (Complementary Mode)Figur

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-55Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-18: Phase Shift WaveformsMaster Time Base

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-56 © 2008-2012 Microchip Technology Inc.Example 43-17: PWM Phase Shift InitializationThe bit r

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-57Section 43. High-Speed PWMHigh-Speed PWM4343.7 PWM TRIGGERSFor the ADC module, the TRIGx and

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-58 © 2008-2012 Microchip Technology Inc.Figure 43-20: PWM Trigger Signal in Relation to the PW

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-59Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-22: PWM Trigger Signal in Relation to the

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-6 © 2008-2012 Microchip Technology Inc.Register 43-1: PTCON: PWM Time Base Control RegisterR/W

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-60 © 2008-2012 Microchip Technology Inc.Figure 43-24: PWM Trigger Signal in Relation to the PW

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-61Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-26: PWM Trigger Signal in Relation to the

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-62 © 2008-2012 Microchip Technology Inc.Example 43-18: Independent PWM ADC TriggeringNote 1: T

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-63Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-28: Effect of Phase Shift on PWM Triggers

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-64 © 2008-2012 Microchip Technology Inc.43.8 PWM INTERRUPTSThe High-Speed PWM module can gene

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-65Section 43. High-Speed PWMHigh-Speed PWM4343.9 PWM OPERATING MODESThis section describes the

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-66 © 2008-2012 Microchip Technology Inc.43.9.3 Redundant PWM Output ModeIn Redundant PWM Outpu

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-67Section 43. High-Speed PWMHigh-Speed PWM4343.9.4 True Independent PWM Output ModeIn True Inde

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-68 © 2008-2012 Microchip Technology Inc.Example 43-19: PWM Output Pin Mode SelectionTable 43-4

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-69Section 43. High-Speed PWMHigh-Speed PWM43Table 43-5: PMOD Bit Selection for Different Topolo

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-7Section 43. High-Speed PWMHigh-Speed PWM43Register 43-2: PTCON2: PWM Clock Divider Select Regi

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-70 © 2008-2012 Microchip Technology Inc.43.10 PWM FAULT PINSThe key functions of the PWM Faul

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-71Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-33: PWM Fault Control Module Block Diagra

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-72 © 2008-2012 Microchip Technology Inc.Figure 43-34: PWM Fault Control Module Block Diagram f

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-73Section 43. High-Speed PWMHigh-Speed PWM4343.10.1 PWM Fault Generated by the Analog Comparato

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-74 © 2008-2012 Microchip Technology Inc.43.10.2 Fault InterruptsThe FLTIENx bits (PWMCONx<1

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-75Section 43. High-Speed PWMHigh-Speed PWM43OVRENL(IOCONx<8>) to high.4. Disable the PWM

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-76 © 2008-2012 Microchip Technology Inc.43.10.7 PWM Current-Limit PinsThe key functions of the

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-77Section 43. High-Speed PWMHigh-Speed PWM4343.10.7.1 CONFIGURATION OF CURRENT RESET MODEA curr

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-78 © 2008-2012 Microchip Technology Inc.Figure 43-37: PWM Current-Limit Control Circuit Logic

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-79Section 43. High-Speed PWMHigh-Speed PWM43Table 43-6: Selectable Input Sources (Maps Input to

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-8 © 2008-2012 Microchip Technology Inc.Register 43-3: PTPER: Master Time Base Period RegisterR

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-80 © 2008-2012 Microchip Technology Inc.The analog comparator provides high-speed operation wi

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-81Section 43. High-Speed PWMHigh-Speed PWM4343.10.10 PWM Fault and Current-Limit Trigger Output

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-82 © 2008-2012 Microchip Technology Inc.43.11 SPECIAL FEATURESThe following special features

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-83Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-39: Leading-Edge Blanking43.11.2 Individu

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-84 © 2008-2012 Microchip Technology Inc.Figure 43-40: Dead-Time Compensation43.11.4 Chop ModeM

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-85Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-41: High-Frequency PWM ChoppingThe choppi

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-86 © 2008-2012 Microchip Technology Inc.43.11.5 PWM Pin SwappingThe SWAP PWMxH and PWMxL Pins

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-87Section 43. High-Speed PWMHigh-Speed PWM4343.11.5.2 EXAMPLE 2: PIN SWAPPING WITH MOTOR CONTRO

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-88 © 2008-2012 Microchip Technology Inc.43.12 PWM OUTPUT PIN CONTROLIf the High-Speed PWM mod

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-89Section 43. High-Speed PWMHigh-Speed PWM43Example 43-28: PWM Output Override Control43.12.2 O

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-9Section 43. High-Speed PWMHigh-Speed PWM43Register 43-4: SEVTCMP: PWM Special Event Compare Re

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-90 © 2008-2012 Microchip Technology Inc.43.12.5 Asserting Outputs through Current-LimitIn resp

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-91Section 43. High-Speed PWMHigh-Speed PWM4343.13 IMMEDIATE UPDATE OF PWM DUTY CYCLEThe high p

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-92 © 2008-2012 Microchip Technology Inc.43.14 POWER-SAVING MODESThis section discusses the op

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-93Section 43. High-Speed PWMHigh-Speed PWM4343.15 EXTERNAL CONTROL OF INDIVIDUAL TIME BASE(S)

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-94 © 2008-2012 Microchip Technology Inc.Figure 43-46: Complementary PWM Output ModeSynchronous

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-95Section 43. High-Speed PWMHigh-Speed PWM4343.16.2 Push-Pull PWM Output ModeThe Push-Pull PWM

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-96 © 2008-2012 Microchip Technology Inc.43.16.3 Multi-Phase PWMThe Multi-Phase PWM, illustrate

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-97Section 43. High-Speed PWMHigh-Speed PWM43Figure 43-49: Interleaved PFC DiagramFigure 43-50:

dsPIC33F/PIC24H Family Reference ManualDS70323E-page 43-98 © 2008-2012 Microchip Technology Inc.43.16.4 Variable Phase PWMThe Variable Phase PWM, illu

© 2008-2012 Microchip Technology Inc. DS70323E-page 43-99Section 43. High-Speed PWMHigh-Speed PWM4343.16.5 Current Reset PWMThe Current Reset PWM, ill