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ISO 9001 certified


AVR32 UC, GNU

embOS for AVR32UC was developed for and with GNU tools and supports all memory models offered by this compiler. It comes with easy to use start projects for AVR32 Studio.

 

Pricing Trial download Notification Subscribe to embOS software notification Release Notes

 

Resources and performance data

Memory usage
RAM usage per task control block 36 bytes
RAM usage per resource semaphore 16 bytes
RAM usage per counting semaphore 8 bytes
RAM usage per mailbox 24 bytes
RAM usage per software timer 20 bytes
RAM usage event 20 bytes
Min. stack-size per task (RAM) 44 bytes
Timing
Context switch time 7.88 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. 20 µs (50 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 Unlimited (by available RAM only)
Max. no. of software timers Unlimited (by available RAM only)
Max. no. of priorities Unlimited
Stack size idle task (RAM) 0 (no memory needed)
Nested interrupts Permitted
Task switches from within ISR Possible

Absolute values given above were measured with embOS release build on an AVR32A CPU (AT32UC3A0512) running at 66 MHz.

Board support packages

embOS comes with lots of ready to go start projects and support packages for various AVR32 CPUs and starterboards.

CPU Eval board
Atmel AT32UC3A0512 Atmel EVK1100
Atmel AT32UC3B0256 Atmel EVK1101
Atmel AT32UC3A3256 Atmel EVK1104