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HI-TECH C compiler for PIC18 MCUs implements the optimizations of Omniscient Code Generation™ (OCG) - a whole-program compilation technology - to provide denser code and better performance for development on PIC18 MCUs.
This ANSI C Compiler available in three operating levels. To compare the optimizations and features of each, please see the table below.
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HI-TECH C Compiler for PIC18 MCUs
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PRO
(SW500007)
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Standard
(SW500008)
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Lite
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PRICING
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Single-User License List Price
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$1195
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$495
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Free
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Technical Support
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High Priority Access* included
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High Priority Access* optional
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Available
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OPTIMIZATIONS
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Omniscient Code Generation™ Optimizations
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Maximum
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High optimizations levels
OCG to be implemented 2009 Q3
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Partial
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Optimizes the size of each pointer variable in your code based on its usage
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Yes
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No
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Limited
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Reduces overhead required for interrupt context switching
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Yes
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Limited
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No
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Pointer optimizations based on knowledge of target
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Yes
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No
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No
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Automatically allocates objects into optimal locations
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Yes
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Limited
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Limited
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Procedural Abstraction optimizations
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Yes
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No
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No
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Optimizations for rapid runtime startup and memory clearing
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Yes
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Yes
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No
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Printf library code footprint
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Compiler eliminates all unused features of printf for smallest footprint
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Determined by printf feature set selected by user
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Compiler can eliminate some unused printf features
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USABILITY/FEATURES
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Supports all PIC18 MCUs
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Yes
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Yes
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Yes
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Unlimited Memory Usage
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Yes
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Yes
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Yes
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Automatically handles memory banking without requiring special qualifiers
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Yes
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Yes
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Yes
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Can identify inconsistent definitions across modules
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Yes
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Limited
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Yes
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Automatically analyzes user assembly and object code files
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Yes
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No
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Yes
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Eliminates the need for many non-standard C qualifiers and compiler options
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Yes
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No
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Yes
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Printf library functionality
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Compiler automatically detects and implements printf features required by program
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User selects on of three printf feature sets as required by program
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Compiler eliminates all unused features of printf for smallest footprint
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Fully integrates into MPLAB® IDE
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Yes
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Yes
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Yes
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Runs on all platforms: Windows (XP and Vista), Linux and Mac OS X
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Yes
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Yes
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Yes
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Get Compiler
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Download free fully-functional 45 day evaluation of the HI-TECH C PRO for the PIC18 MCU Family below
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Download and operate in Lite mode below
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* High Priority Access (HPA): 12 month subscription web access to new versions, and priority technical support. For information on renewing HPA and Upgrading your HI-TECH C Compiler, please see www.microchip.com/HPA
Previous versions can be accessed using the details on the archive page.
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