Fujitsu FR81S User Manual
MB91520 Series
FUJITSU SEMICONDUCTOR LIMITED
FUJITSU SEMICONDUCTOR CONFIDENTIAL
i
Preface
Thank you for your continued use of Fujitsu semiconductor products.
Read this manual and "Data Sheet" thoroughly before using products in the MB91520 series.
Read this manual and "Data Sheet" thoroughly before using products in the MB91520 series.
Purpose of this manual and intended readers
This series is Fujitsu 32-bit microcontroller designed for automotive and industrial control. It contains the
FR81S CPU that is compatible with the FR family. The FR81S CPU has a high level performance among
the FR family by enhancing instruction pipeline and load store processing, and improving internal bus
transfer.
It is best suited for application control for automotive.
This manual explains the function, operation, and the usage for the engineer who develops the product by
actually using this series.
Trademark
FR is an abbreviation for the FUJITSU RISC controller, which is a product of Fujitsu Semiconductor
Limited.
The company names and brand names herein are the trademarks or registered trademarks of their respective
owners.
Sample programs and development environment
Fujitsu Semiconductor offers sample programs free of charge for using the peripheral functions of the
FR81S family. Fujitsu Semiconductor also makes available descriptions of the development environment
required for the MB91520 series. Feel free to use them to verify the operational specifications and usage of
this Fujitsu semiconductor microcontroller.
⋅
Microcontroller support information:
http://edevice.fujitsu.com/micom/en-support/
* : Note that the sample programs are subject to change without notice. Since they are offered as a way to
demonstrate standard operations and usage, evaluate them sufficiently before running them on your
system.
Fujitsu semiconductor assumes no responsibility for any damage that may occur as a result of using a
sample program.
MN705-00010-1v0-E
(1)