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What does "Enable All Peripherals" in AN3324 mean?

DaveJ
Associate II

The Application note AN3324 (Implementing power-on self tests for SPC56EL60 in locked step) says in Figure 2 (page 9) that one should "Enable All Peripherals" before initializing the FCCU. What does "enable" mean in this context? 

Does it mean setting the ME_RUN_PC and ME_PCTL registers so that the peripheral is active in RUN mode? 

Some peripherals have additional ways to turn them on or off, such as the ADC_MCR_PWDN bit that puts the ADC into normal mode. Should this also be done as a part of this step, or can this be done later (i.e. after the safety initialization)? 

Or am I missing the point completely, and this instruction refers to some other action that I should take? 

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