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MB91F345B Datasheet(PDF) 1 Page - Fujitsu Component Limited.

Part No. MB91F345B
Description  32-bit Microcontroller CMOS FR60 Lite MB91345 Series
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
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MB91F345B Datasheet(HTML) 1 Page - Fujitsu Component Limited.

 
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DS07-16704-1E
FUJITSU SEMICONDUCTOR
DATA SHEET
Copyright©2007 FUJITSU LIMITED All rights reserved
“Check Sheet” is seen at the following support page
URL : http://www.fujitsu.com/global/services/microelectronics/product/micom/support/index.html
“Check Sheet” lists the minimal requirement items to be checked to prevent problems beforehand in system
development.
Be sure to refer to the “Check Sheet” for the latest cautions on development.
32-bit Microcontroller
CMOS
FR60 Lite MB91345 Series
MB91F345B/F346B
■ DESCRIPTION
The MB91345 series is the microcontrollers based on 32-bit high-perform RISC-CPU while integrating a variety
of I/O resources for embedded control applications which require high-performance, high-speed CPU processing.
It is suitable for the embedded control in digital home appliances or audio visual equipment, requiring high-
performance CPU processing power.
This product compactly integrates a variety of peripheral functions for single chip and is FR60 applicable to faster-
speed application.
Note : FR, the abbreviation of FUJITSU RISC controller, is a line of products of FUJITSU Limited.
■ FEATURE
• FR CPU
• 32-bit RISC, load/store architecture, with a five-stage pipeline
• Maximum operating frequency : 50 MHz [PLL used : original oscillation 12.5 MHz]
• 16-bit fixed length instruction (basic instructions) ; 1 instruction per cycle
• Instruction set optimized for embedded applications : Memory-to-Memory transfer, bit manipulation, barrel shift
instructions
• Instructions adapted for high-level programming languages : Function entry/exit instructions, multiple-register
load/store instructions
• Register interlock function : Facilitating coding in assembles
(Continued)


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