Free Engineering Workbench calculator
Embedded resource budget
Check flash, RAM and CPU use against the headroom you want to keep.
Performance & capacityHow it's worked out
- Headroom = 1 − used ÷ available
- Peak values from worst-case tests; A/B update needs space for two images
NoteKeep headroom for future features and security fixes; devices ship for years.
Source: Embedded systems practice (memory and CPU budgets)
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