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ISO 9001 certified

PIC24/PIC30, Microchip

embOS for Microchip PIC was developed for and with Microchip's compiler and supports all memory models offered by this compiler.
embOS for PIC24F/PIC24H and PIC30/dsPIC33 comes with an easy to use start project which may be used with Microchip's MPLABX IDE. Software development with hardware debugger and simulator is supported.


Pricing Trial download Notification Subscribe to embOS software notification Release Notes


Resources and performance data

Memory usage
Kernel size (ROM) <2 KB
Kernel RAM usage 37 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) 24 bytes
Context switch time 13.5 µs, independent of number of tasks
Interrupt latency time Zero
Kernel CPU usage/TICK Less than .2% of total calculation time at 1000 interrupts/second (1ms TICK)
Basic time unit (TICK) Typ. 1 ms, min. 10 µs (100 kHz interrupt frequency)
Max. no. of tasks Unlimited (by available RAM only)
Max. no. of mailboxes Unlimited (by available RAM only)
Max. no. of semaphores 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 data given above were measured with embOS release build on a PIC24 CPU running at 32MHz in large memory model.


Board support packages

embOS comes with lots of ready to go start projects and support packages for various PIC24/PIC30/dsPIC33 CPUs and starterboards.

CPU Eval board
Microchip dsPIC33FJ256 Microchip Explorer 16 - PIC24
Microchip PIC24FJ128 Microchip Explorer 16 - PIC24