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MB91248S: 产品描述32-bit Microcontroller; 文件大小747KB，共82页; 制造商FUJITSU(富士通); 官网地址http://edevice.fujitsu.com/fmd/en/index.html

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MB91248S概述

32-bit Microcontroller

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FUJITSU SEMICONDUCTOR

DATA SHEET

DS07-16803-1E

32-bit Microcontroller

CMOS

FR60Lite MB91245/S Series

MB91247/247S/248/248S/F248/F248S/MB91V245A

■

OVERVIEW

MB91245/S series is Fujitsu’s general-purpose 32-bit RISC microcontroller, which is designed for embedded

control applications that require high-speed real-time processing of consumer appliances. This microcontroller

uses FR60Lite as its CPU, compatible with other products in the FR* family.

This series incorporates an LCD controller and stepping motor controller.

* : FR, the abbreviation of FUJITSU RISC controller, is a line of products of FUJITSU Limited.

■

FEATURES

•

FR60Lite CPU

• 32-bit RISC, load/store architecture, 5-stage pipeline

• Maximum operating frequency : 32 MHz (Source oscillation is 4 MHz with x8 multiplier – PLL clock multiplier

system)

• 16-bit fixed-length instructions (basic instructions)

• Instruction execution speed : 1 instruction per cycle

• Instruction set optimized for embedded application : Memory-to-memory transfer, bit manipulation, barrel shift

instructions etc.

• Instructions adapted for programming C language : Function entry/exit instructions, multiple-register load/store

instructions.

• Register interlock function : Easier assembler coding enabled

• Built-in multiplier supported at the instruction level

Signed 32-bit multiplication : 5 cycles

Signed 16-bit multiplication : 3 cycles

(Continued)

Be sure to refer to the “Check Sheet” for the latest cautions on development.

“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.

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