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Compact real-time operating system for microcontrollers


CMX-Tiny+™ from Computer Solutions is a compact real-time multi-tasking operating system which has been optimised to use the minimum amount of RAM space.

As a result, it is ideally suited to use with the latest generation of single-chip microprocessors or microcontrollers having only on-chip RAM plus flash memory (typically 4-32 kbyte).

The new system is based on a scaled-down version of the popular CMX-RTX product, retaining most of its power as well as the more frequently used functions. The code size is small enough for the processor's onboard ROM to support both the user's application code and the CMX-Tiny+ code.

CMX-Tiny+ also offers truly pre-emptive scheduling as well as co-operative scheduling, allowing interrupts to set task events and cause an immediate task switch if required.

The system is available for a range of processor families including MicroChip PIC18Cxxx, Freescale 68HC08, Hitachi H8/300, H8/300H and H8S, Atmel AVR family, Infineon 80C16x, Toshiba TLCS-900, NEC 78K0/K0S, TI MSP430 and STM ST7.

CMX-Tiny+ is distributed via a one-time licence fee, and does not require payment of royalties on deployed products. The RTOS includes the complete source code.

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Computer Solutions Ltd is the UK's premier supplier of microprocessor development tools. It supplies a wide range of software and hardware tools that support over 100 different microprocessor families. Hardware products include; In Circuit Emulators, EPROM Emulators and Device Programmers. Software tools include; Assemblers, Debuggers, Compilers, Real time executives, TCP/IP stacks and other high level protocol libraries. 

With 23 years' experience, Computer Solutions Ltd has unrivalled expertise in embedded tools, consultancy and support.

For further colour photographs, graphics, technical or marketing information,

Contact: Chris Stephens, MD, Computer Solutions Ltd
Tel: 01932 355630

Press releases are available by email if you wish - send your request to

For more information on CMX-Tiny+

      CMX-Tiny+ on COMSOL's web site              CMX's web site


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