FUJITSU Semiconductor - Manual (Page 271)

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■ µITRON Specification Real Time OS for SPARClite (REALOS/SP)
(1) Product Overview
REALOS/SP is a real time OS for the SPARClite (MB86930) series. The SPARClite series is a 32-bit RISC chip from
Fujitsu that uses the SPARC architecture and is aimed at embedded applications.
REALOS/SP complies with the µITRON 3.0 specifications.
• Features
Complies with the µITRON 3.0 specifications
System design suitable for use with 32-bit MCUs in control applications
High speed dispatch and interrupt processing
Configurator support uses a multi-window system
Supports modular loading
Sample I/O drivers are provided
• REALOS/SP Specifications
Item Description
Target CPU SPARClite series (MB86930 series)
Maximum number of tasks 65 or 535
Maximum number of priorities 32
Scheduling method Priority-based, event-driven
Number of system calls 50
Standards compliance Complies with µITRON 3.0 specifications
Kernel programming language Assembly language
Application programming languages C, assembly languages
Kernel size Approximately 5.0KB (resident) to approximately 10.0KB (maximum configuration)
32-bit SPARC Family SPARClite
Support Tools