51795B datasheet(92/100 Pages) MICROCHIP

92 / 100 page

PICkit™ 3 User’s Guide

DS51795B-page 92

 2010 Microchip Technology Inc.

Recursion

The concept that a function or macro, having been defined, can call itself. Great care

should be taken when writing recursive macros; it is easy to get caught in an infinite

loop where there will be no exit from the recursion.

Reentrant

A function that may have multiple, simultaneously active instances. This may happen

due to either direct or indirect recursion or through execution during interrupt

processing.

Relaxation

The process of converting an instruction to an identical, but smaller instruction. This is

useful for saving on code size. MPLAB ASM30 currently knows how to RELAX a CALL

instruction into an RCALL instruction. This is done when the symbol that is being called

is within +/- 32k instruction words from the current instruction.

Relocatable

An object whose address has not been assigned to a fixed location in memory.

Relocatable Section

ALU30 – A section whose address is not fixed (absolute). The linker assigns addresses

to relocatable sections through a process called relocation.

Relocation

A process performed by the linker in which absolute addresses are assigned to relo-

catable sections and all symbols in the relocatable sections are updated to their new

addresses.

ROM

Read Only Memory (Program Memory). Memory that cannot be modified.

Run

The command that releases the emulator from halt, allowing it to run the application

code and change or respond to I/O in real time.

Run-time Model

Describes the use of target architecture resources.

Scenario

For MPLAB SIM simulator, a particular setup for stimulus control.

Section

A portion of an application located at a specific address of memory.

Section Attribute

A characteristic ascribed to a section (e.g., an access section).

Sequenced Breakpoints

Breakpoints that occur in a sequence. Sequence execution of breakpoints is

bottom-up; the last breakpoint in the sequence occurs first.

Serialized Quick Turn Programming

Serialization allows you to program a serial number into each microcontroller device

that the Device Programmer programs. This number can be used as an entry code,

password or ID number.

SFR

See Special Function Registers.

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