The Priority grouping for PSoC 6 is set to 0. This means that the group priorities and the sub priorities are set as the following:
In PSoC 6, the __NVIC_PRIO_BITS is set to 3. The implementations having fewer than 8-bits of interrupt priority treat the least significant bits as zero. This means that lower significant bytes less than 3 is set to 0. For PSoC 6, it will be something like below:
The default implementation in PSoC 6 is group 0 priority grouping. Therefore, it has 8 configurable group interrupt priority from 0 to 7 with no sub group priority.
1. Cortex™ -M4 Devices : Generic user guide
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