Motorola SC140 user manual AN2009/D

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EOnCE is a registered trademark of Motorola, Inc.

StarCore, PowerQUICC II, Motorola, and the Motorola logo are trademarks of Motorola, Inc. The PowerPC name is a trademark of International Business Machines Corporation used by Motorola under license from International Business Machines Corporation.

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola

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How to reach us:

USA/EUROPE/Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 1-303-675-2140 or 1-800-441-2447

JAPAN: Motorola Japan Ltd.; SPS, Technical Information Center, 3-20-1, Minami-Azabu, Minato-ku, Tokyo 106-8573 Japan. 81-3-3440-3569

ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. 852-26668334

Technical Information Center: 1-800-521-6274

HOME PAGE: http://www.motorola.com/semiconductors/

AN2009/D

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Contents Motorola Typical development process is represented in Figure Compiler Hands On File I/O ExerciseGood To Know Integer and Fractional Arithmetic Exercise Interpretation of 16-bit Integer and Fractional Data ValuesCompiler Support on StarCore Integer ArithmeticFractional Arithmetic Good To Know Local Versus Global Optimization Exercise Local OptimizationCompiler Support on StarCore StarCore C Compiler Local Optimization Global OptimizationMemory Alignment Exercise AA BB CC DD First Code Section Second Code Section Split Summation Exercise Code Generated Assembly Code Multi-Sample Exercise = ∑ a i x n For 0 ≤ n LIntermediate Version Compromise Between Memory and Speed Further Speed Optimization Control Code The True Bit Exercise Save Ex7.c as Ex71.c Calling an Assembly Routine From C Exercise Current Following output should be displayed Challenge Solutions to Exercises Introduction to the SC140 ToolsExercise AlignedExpected Motorola INC Intermediate version Compromise between Memory and Speed Compiler Support on StarCore Further Optimizing the Speed Compiler Support on StarCore Compiler Support on StarCore Motorola INC Zoffset equ Moffset equ Exercise Compiler Support on StarCore Compiler Support on StarCore AN2009/D