Stack, Software
Memory used by an application for storing return addresses, function parameters, and local variables. This memory is
dynamically allocated at run-time by instructions in the program. It allows for re-entrant function calls.
Stack, Compiled
A region of memory managed and allocated by the compiler in which variables are statically assigned space. It
replaces a software stack when such mechanisms cannot be efficiently implemented on the target device. It
precludes re-entrancy.
Static RAM or SRAM
Static Random Access Memory. Program memory you can read/write on the target board that does not need
refreshing frequently.
Status Bar
The Status Bar is located on the bottom of the MPLAB IDE/MPLAB X IDE window and indicates such current
information as cursor position, development mode and device, and active tool bar.
Step Into
This command is the same as Single Step. Step Into (as opposed to Step Over) follows a CALL instruction into a
subroutine.
Step Over
Step Over allows you to debug code without stepping into subroutines. When stepping over a CALL instruction, the
next breakpoint will be set at the instruction after the CALL. If for some reason the subroutine gets into an endless
loop or does not return properly, the next breakpoint will never be reached. The Step Over command is the same as
Single Step except for its handling of CALL instructions.
Step Out
Step Out allows you to step out of a subroutine which you are currently stepping through. This command executes
the rest of the code in the subroutine and then stops execution at the return address to the subroutine.
Stimulus
Input to the simulator, i.e., data generated to exercise the response of simulation to external signals. Often the data is
put into the form of a list of actions in a text file. Stimulus may be asynchronous, synchronous (pin), clocked and
register.
Stopwatch
A counter for measuring execution cycles.
Storage Class
Determines the lifetime of the memory associated with the identified object.
Storage Qualifier
Indicates special properties of the objects being declared (e.g., const).
Symbol
A symbol is a general purpose mechanism for describing the various pieces which comprise a program. These
pieces include function names, variable names, section names, file names, struct/enum/union tag names, etc.
Symbols in MPLAB IDE/MPLAB X IDE refer mainly to variable names, function names and assembly labels. The
value of a symbol after linking is its value in memory.
Symbol, Absolute
Description
Glossary
© 2020 Microchip Technology Inc.
User Guide
DS50002751D-page 80
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