dsPIC30F6010
15.0
MOTOR CONTROL PWM
MODULE
The PWM module has the following features:
8 PWM I/O pins with 4 duty cycle generators
Up to 16-bit resolution
鈥極n-the-Fly鈥?PWM frequency changes
Edge and Center Aligned Output modes
Single Pulse Generation mode
Interrupt support for asymmetrical updates in
Center Aligned mode
鈥?Output override control for Electrically
Commutative Motor (ECM) operation
鈥?鈥楽pecial Event鈥?comparator for scheduling other
peripheral events
鈥?FAULT pins to optionally drive each of the PWM
output pins to a defined state
This module contains 4 duty cycle generators, num-
bered 1 through 4. The module has 8 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, respectively. 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.
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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, register descriptions and general device
functionality, refer to the
dsPIC30F Family Reference
Manual
(DS70046).
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:
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Three Phase AC Induction Motor
Switched Reluctance (SR) Motor
Brushless DC (BLDC) Motor
Uninterruptible Power Supply (UPS)
铮?/div>
2004 Microchip Technology Inc.
Preliminary
DS70119D-page 85
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