So true, especially for the hobbyist. If you're big enough the chip vendor will build a custom combination for you but everyone else has to pick from the availa

So true, especially for the hobbyist. If you're big enough the chip vendor will build a custom combination for you but everyone else has to pick from the available tiers. Luckily, if power not price is the main issue you can typically clock down or disable portions of most modern microcontrollers.