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PIC16F946

DS41265A-page 224

Preliminary

2005 Microchip Technology Inc.

18.3

MPLAB C17 and MPLAB C18

C Compilers

The MPLAB C17 and MPLAB C18 Code Development

Systems

are

complete

ANSI

compilers

for

Microchip’s PIC17CXXX and PIC18CXXX family of

microcontrollers. These compilers provide powerful

integration capabilities, superior code optimization and

ease of use not found with other compilers.

For easy source level debugging, the compilers provide

symbol information that is optimized to the MPLAB IDE

debugger.

18.4

MPLINK Object Linker/

MPLIB Object Librarian

The MPLINK object linker combines relocatable

objects created by the MPASM assembler and the

MPLAB C17 and MPLAB C18 C compilers. It can link

relocatable objects from precompiled libraries, using

directives from a linker script.

The MPLIB object librarian manages the creation and

modification of library files of precompiled code. When

a routine from a library is called from a source file, only

the modules that contain that routine will be linked in

with the application. This allows large libraries to be

used efficiently in many different applications.

The object linker/library features include:

Efficient linking of single libraries instead of many

smaller files

Enhanced code maintainability by grouping

related modules together

Flexible creation of libraries with easy module

listing, replacement, deletion and extraction

18.5

MPLAB C30 C Compiler

The MPLAB C30 C compiler is a full-featured, ANSI

compliant, optimizing compiler that translates standard

ANSI C programs into dsPIC30F assembly language

source. The compiler also supports many command

line options and language extensions to take full

advantage of the dsPIC30F device hardware capabili-

ties and afford fine control of the compiler code

generator.

MPLAB C30 is distributed with a complete ANSI C

standard library. All library functions have been vali-

dated and conform to the ANSI C library standard. The

library includes functions for string manipulation,

dynamic memory allocation, data conversion, time-

keeping and math functions (trigonometric, exponential

and hyperbolic). The compiler provides symbolic

information for high-level source debugging with the

MPLAB IDE.

18.6

MPLAB ASM30 Assembler, Linker

and Librarian

MPLAB

ASM30

assembler

produces

relocatable

machine code from symbolic assembly language for

dsPIC30F devices. MPLAB C30 compiler uses the

assembler to produce it’s object file. The assembler

generates relocatable object files that can then be

archived or linked with other relocatable object files and

archives to create an executable file. Notable features

of the assembler include:

Support for the entire dsPIC30F instruction set

Support for fixed-point and floating-point data

Command line interface

Rich directive set

Flexible macro language

MPLAB IDE compatibility

18.7

MPLAB SIM Software Simulator

The MPLAB SIM software simulator allows code devel-

opment in a PC hosted environment by simulating the

PICmicro series microcontrollers on an instruction

level. On any given instruction, the data areas can be

examined or modified and stimuli can be applied from

a file, or user defined key press, to any pin. The execu-

tion can be performed in Single-Step, Execute Until

Break or Trace mode.

The MPLAB SIM simulator fully supports symbolic

debugging using the MPLAB C17 and MPLAB C18

C Compilers, as well as the MPASM assembler. The

software simulator offers the flexibility to develop and

debug code outside of the laboratory environment,

making

excellent,

economical

software

development tool.

18.8

MPLAB SIM30 Software Simulator

The MPLAB SIM30 software simulator allows code

development in a PC hosted environment by simulating

the dsPIC30F series microcontrollers on an instruction

level. On any given instruction, the data areas can be

examined or modified and stimuli can be applied from

a file, or user defined key press, to any of the pins.

The MPLAB SIM30 simulator fully supports symbolic

debugging using the MPLAB C30 C Compiler and

MPLAB ASM30 assembler. The simulator runs in either

a Command Line mode for automated tasks, or from

MPLAB IDE. This high-speed simulator is designed to

debug, analyze and optimize time intensive DSP

routines.

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