Glossary
2017 Microchip Technology Inc. DS50002596A-page 93
USB
Universal Serial Bus. An external peripheral interface standard for communication
between a computer and external peripherals over a cable using bi-serial transmission.
USB 1.0/1.1 supports data transfer rates of 12 Mbps. Also referred to as high-speed
USB, USB 2.0 supports data rates up to 480 Mbps.
V
Vector
The memory locations that an application will jump to when either a Reset or interrupt
occurs.
Volatile
A variable qualifier which prevents the compiler applying optimizations that affect how
the variable is accessed in memory.
W
Warning
MPLAB IDE/MPLAB X IDE – An alert that is provided to warn you of a situation that
would cause physical damage to a device, software file, or equipment.
16-bit assembler/compiler – Warnings report conditions that may indicate a problem,
but do not halt processing.
Watch Variable
A variable that you may monitor during a debugging session in a Watches window.
Watches Window
Watches windows contain a list of watch variables that are updated at each breakpoint.
Watchdog Timer (WDT)
A timer on a PIC microcontroller that resets the processor after a selectable length of
time. The WDT is enabled or disabled and set up using Configuration bits.
Workbook
For MPLAB SIM stimulator, a setup for generation of SCL stimulus.
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