Microchip dsPIC33FJ64GS610 Manual
Microchip
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dsPIC33FJ64GS610
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2008-2017 Microchip Technology Inc. DS70000323H-page 1
HIGHLIGHTS
This section of the manual contains the following major topics:
1.0 Introduction ....................................................................................................................... 2
2.0 Features............................................................................................................................ 3
3.0 Control Registers .............................................................................................................. 4
4.0 Architecture Overview..................................................................................................... 34
5.0 Module Description ......................................................................................................... 37
6.0 PWM Generator .............................................................................................................. 48
7.0 PWM Triggers ................................................................................................................. 62
8.0 PWM Interrupts............................................................................................................... 69
9.0 PWM Operating Modes................................................................................................... 70
10.0 PWM Fault Pins .............................................................................................................. 75
11.0 Special Features ............................................................................................................. 87
12.0 PWM Output Pin Control................................................................................................. 95
13.0 Immediate Update of PWM Duty Cycle .......................................................................... 98
14.0 Power-Saving Modes...................................................................................................... 99
15.0 External Control of Individual Time Base(s) (Current Reset Mode) .............................. 100
16.0 Application Information ................................................................................................. 101
17.0 PWM Interconnects with Other Peripherals .................................................................. 115
18.0 Related Application Notes............................................................................................. 118
19.0 Revision History............................................................................................................ 119
High-Speed PWM Module
dsPIC33/PIC24 Family Reference Manual
DS70000323H-page 2 2008-2017 Microchip Technology Inc.
1.0 INTRODUCTION
This section describes the High-Speed PWM module and its associated operational modes. The
High-Speed PWM module supports a wide variety of PWM modes and is ideal for power
conversion applications. Some of the common applications that the High-Speed PWM module
supports are:
• AC-to-DC Converters
• Power Factor Correction (PFC)
• Interleaved Power Factor Correction (IPFC)
• Inverters
• DC-to-DC Converters
• Battery Chargers
• Digital Lighting
• Uninterruptable Power Supply (UPS)
• AC and DC Motors
• Resonant Converters
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/PIC24 devices.
Please consult the note at the beginning of the “High-Speed PWM” chapter in the
current 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 Web site at: http://www.microchip.com.
2008-2017 Microchip Technology Inc. DS70000323H-page 7
High-Speed PWM Module
Register 3-1: PTCON: PWMx Time Base Control Register
R/W-0 U-0 R/W-0 HS/HC-0 R/W-0 R/W-0 R/W-0 R/W-0
PTEN
(3)
— PTSIDL SESTAT SEIEN EIPU
(1)
SYNCPOL
(1, )2
SYNCOEN
(1, )2
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SYNCEN
(1, )2
SYNCSRC<2:0>
(1, )2
SEVTPS<3:0>
(1)
bit 7 bit 0
Legend: HC = Hardware Clearable bit HS = Hardware Settable bit
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15 PTEN: PWM Module Enable bit
( )3
1 = PWM module is enabled
0 = PWM module is disabled
bit 14 Unimplemented: Read as ‘0’
bit 13 PTSIDL: PWM Time Base Stop in Idle Mode bit
1 = PWM time base halts in CPU Idle mode
0 = PWM time base runs in CPU Idle mode
bit 12 SESTAT: Special Event Trigger Interrupt Status bit
1 = Special Event Trigger interrupt is pending
0 = Special Event Trigger interrupt is not pending
This bit is cleared by setting SEIEN = 0.
bit 11 SEIEN: Special Event Trigger Interrupt Enable bit
1 = Special Event Trigger interrupt is enabled
0 = Special Event Trigger interrupt is disabled
bit 10 EIPU: Enable Immediate Period Updates bit
( )1
1 = Active Period register is updated immediately
0 = Active Period register updates occur on PWM cycle boundaries
bit 9 SYNCPOL: Synchronize Input and Output Polarity bit
( , )1 2
1 = SYNCIx/SYNCOx polarity is inverted (active-low)
0 = SYNCIx/SYNCOx is active-high
bit 8 SYNCOEN: Primary Time Base Sync Enable bit
( , )1 2
1 = SYNCOx output is enabled
0 = SYNCOx output is disabled
bit 7 SYNCEN: External Time Base Synchronization Enable bit
( , )1 2
1 = External synchronization of primary time base is enabled
0 = External synchronization of primary time base is disabled
bit 6-4 SYNCSRC<2:0>: Synchronous Source Selection bits
( , )1 2
011 = SYNCI4
010 = SYNCI3
001 = SYNCI2
000 = SYNCI1
Note 1: These bits should be changed only when PTEN = 0.
2: The PWM time base synchronization must only be used in the master time base with no phase shifting.
3: When the PWM module is enabled by setting PTCON<15> = 1, a delay will be observed before the PWM
outputs start switching. This delay is equal to:
PWM Turn-on Delay = (2/ACLK) + (3 (PCLKDIV<2:0> Setting)/ACLK) + 15 ns
Produkt Specifikationer
| Mærke: | Microchip |
| Kategori: | Ikke kategoriseret |
| Model: | dsPIC33FJ64GS610 |
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