embOS for TLCS900 was developed for and with TOSHIBA's CC900 compiler and supports all memory models offered by this compiler.
The distribution contains an easy to use start workspace for TOSHIBA's Integrated Development Environment.
|Pricing||Trial download||Subscribe to embOS software notification||Release Notes|
Resources and performance data
|Kernel size (ROM)||Approx. 1600 bytes|
|Kernel RAM usage||41 bytes|
|RAM usage per task control block||28 bytes|
|RAM usage per resource semaphore||6 bytes|
|RAM usage per counting semaphore||2 bytes|
|RAM usage per mailbox||14 bytes|
|RAM usage per software timer||14 bytes|
|RAM usage event||0 bytes|
|Min. stack-size per task (RAM)||100 bytes|
|Context switch time||296 clock cycles (14.8 µs), independent of number of tasks|
|Interrupt latency time for high priority interrupt||Max. 20 clock cycles (1.0 µs)|
|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)|
|Task switches from within ISR||Possible|
Absolute data given above were measured with embOS release build on a TMP94F53 CPU running at 20MHz in __cdecl memory model.
Board support packages
embOS comes with lots of ready to go start projects and support packages for various CPUs and starterboards.
|Toshiba H900H2||Toshiba H900H2 evalboard|