embOS for Fujitsu F²MC-16LX and F²MC-16FX CPUs and Fujitsu Softune compiler

embOS for Fujitsu F²MC-16LX and F²MC-16FX supports all CPUs with F²MC-16LX or F²MC-16FX core. It was developed for and with Fujitsu's Softune compiler and supports all memory models offered by this compiler. It comes with easy to use workspace and start project for Softune workbench. Software development with debugger, ROM-Monitor and Softune simulator is supported.

Since version 3.22a, fast interrupts with zero latency are supported for embOS F²MC-16LX and F²MC-16FX.

Resources and performance data

Memory usage
Kernel size (ROM)	1520 bytes
Kernel RAM usage	30 bytes
RAM usage per task control block	20 bytes
RAM usage per resource semaphore	8 bytes
RAM usage per counting semaphore	4 bytes
RAM usage per mailbox	12 bytes
RAM usage per software timer	10 bytes
RAM usage event	0 bytes
Min. stack-size per task (RAM)	42 bytes
Timing
Context switch time	554 clock cycles (9.9 µs), independent of number of tasks
Interrupt latency time	Zero for high priority interrupts max. 332 clock cycles (5.9 µs) for low priority interrupts
Kernel CPU usage/TICK	less than .4% of total calculation time at 1000 Interrupts/second (1ms TICK)
Basic time unit (TICK)	typ. 1 ms, min. 33.3 µs (33.3 kHz interrupt frequency)
Features
Max. no. of tasks	Unlimited (by available RAM only)
Max. no. of mailboxes	unlimited (by available RAM only)
Max. no. of semaphores (resource/binary/counting)	unlimited (by available RAM only)
Max. no. of software timers	unlimited (by available RAM only)
Max. no. of priorities	255
Stack size idle task (RAM)	0(no memory needed)
Nested interrupts	permitted
Task switches from within ISR	possible

Absolute timings given above were measured with embOS release build on an MB96F348 CPU running at 56MHz.

embOSView offers system analysis during runtime

embOSView with Fujitsu F2MC-F16LX CPU

Available Emulators

Fujitsu

Additional information

Release Notes embOS F²MC-16LX
Fujitsu Web site for additional CPU / Software information and support