December 2015
Beginner to intermediate
650 pages
18h 28m
English
book
Embedded Computing and Mechatronics with the PIC32 Microcontroller
by Kevin Lynch, Nicholas Marchuk, Matthew Elwin
Content preview from Embedded Computing and Mechatronics with the PIC32 Microcontroller
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Chapter 8
Counter/Timers
Abstract
The PIC32 counter/timer peripherals can be used to count external digital pulses, time an external digital pulse, or keep track of time. The five timers can be used as 16-bit timers, or two different pairs of timers can be combined to make two 32-bit timers. Timers can be used to generate interrupts at fixed intervals, useful for implementing real-time controllers. This chapter describes the special function registers (SFRs) associated with PIC32 timers and provides sample code to generate a fixed-frequency interrupt service routine, to count external pulses, and to time the duration of an external pulse.
Keywords
Counter
Timer
Prescaler
Period register
Period match
Counters count rising edges of a pulse ...
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