Fujitsu Semiconductor manual 217

32-bit FR Family Support Tools

6.µITRON-Compliant Real Time OS for FR Family( SOFTUNE REALOS/FR)

(1) Overview

REALOS/FR is the real time OS for the FR Family of Fujitsu proprietary 32-bit MCUs, conforming to the µITRON 3.0 specifications.

• Features

µITRON 3.0 compliant

System design customized for 32-bit MCUs for control purposes High-speed dispatch and interrupt processing

In-line expansion of system call functions Providing a sample I/O driver

Support for a multi window configurator

Support for a REALOS dedicated, multi window debugger

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• REALOS/FR Specifications

Name	Description
Target CPU	FR
Maximum number of task	32, 767
Maximum number of priority levels	32
Scheduling method	Priority-base, event-driven type
Number of system calls	SOFTUNE REALOS/FR:58
Complying specifications	µITRON 3.0 specifications
Kernel coding	Assembly language
Application coding	C and assembly languages
Kernel size	About 2.7 KB (resident) to About 7.2 KB (maximum configuration)

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