DSPIC30F5015 datasheet(97/234 Pages) MICROCHIP

97 / 234 page

DS70149E-page 97

dsPIC30F5015/5016

15.0

MOTOR CONTROL PWM

MODULE

This module simplifies the task of generating multiple,

synchronized Pulse-Width Modulated (PWM) outputs.

In particular, the following power and motion control

applications are supported by the PWM module:

• Three Phase AC Induction Motor

• Switched Reluctance (SR) Motor

• Brushless DC (BLDC) Motor

• Uninterruptible Power Supply (UPS)

The PWM module has the following features:

• Eight PWM I/O pins with four duty cycle generators

• Up to 16-bit resolution

• ‘On-the-Fly’ PWM frequency changes

• Edge and Center-Aligned Output modes

• Single-Pulse Generation mode

• Interrupt support for asymmetrical updates in

Center-Aligned mode

• Output override control for Electrically

Commutative Motor (ECM) operation

• ‘Special Event’ comparator for scheduling other

peripheral events

• Fault pins to optionally drive each of the PWM

output pins to a defined state

• Duty cycle updates are configurable to be

immediate or synchronized to the PWM time base

This module contains four duty cycle generators, num-

bered 1 through 4. The module has eight PWM output

pins, numbered PWM1H/PWM1L through PWM4H/

PWM4L. The eight I/O pins are grouped into high/low

numbered pairs, denoted by the suffix H or L, respec-

tively. For complementary loads, the low PWM pins are

always the complement of the corresponding high I/O

pin.

The PWM module allows several modes of operation

which

are

beneficial

for

specific

power

control

applications.

Note:

This data sheet summarizes features of

this group of dsPIC30F devices and is not

intended to be a complete reference

source. For more information on the CPU,

peripherals,

descriptions

and

general device functionality, refer to the

“dsPIC30F Family Reference Manual”

(DS70046). For more information on the

device instruction set and programming,

refer to the “16-bit MCU and DSC

Programmer’s

Reference

Manual”

(DS70157).

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