Microchip C18 Compiler User Manual

About this manual

This manual provides a comprehensive overview of the MPLAB® C18 compiler, including its purpose, how to invoke the compiler, and the options for generating output files. It assumes the reader is familiar with C programming and the MPLAB IDE.

The document is organized into chapters covering syntax specifications, the runtime model for PIC18 microcontrollers, optimization techniques, example applications, and several appendices that detail the COFF file format, ANSI definitions, command‑line options, diagnostics, and extended modes. This manual is written in Chinese.

What's inside

• Introduction
• Syntax Specification
• Runtime Model
• Optimization
• Example Applications
• Appendix A – COFF File Format
• Appendix B – ANSI Definitions
• Appendix C – Command Line Overview
• Appendix D – Diagnostics
• Appendix E – Extended Modes

Specifications

Frequently asked questions

What microcontroller family does the C18 compiler target?

The C18 compiler is designed for PIC18 microcontrollers.

Where can I obtain the latest version of this manual?

The latest version can be downloaded from Microchip’s website.

Where are the command‑line options described?

Command‑line options are listed in Appendix C of the manual.