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PREFACE
■ Objectives and Intended Reader
The MB91F109 has been developed as one of the "32-bit single-chip micr ocontroller FR30
series" products that use new RISC architecture CPUs as their cores. It has optimal
specifications for embedding applications that require high C PU processing power.
This manual explains the functions and operations of the MB91F109 for th e engineers who
actually develop products using the MB91F109. Read this manual thorough ly. Refer to the
instruction manual for details on individual instr uctions.
■Trademarks
FR stands for FUJITSU RISC controller, a product of Fujitsu Limited.
Embedded AlgorithmTM is a trademark of Advanced Micr o Devices, Inc.