@kevlar
For all current consumption you need to refer to DS14791 Rev 3 all the table related to SMPS internal.
5.3.6 Supply current characteristics in Run Mode
IDD (VDD) is Table 32.
IDDCORE (VDDCore) is Table 34 (there is a Typo error under fix for Symbol IDDA1V8)
IDDA1V8 (VDDA1V8) is Table 36
IDDA18AON (VDDA18AON) is Table 38
IDDSMPS (VDDSMPS) is Table 39.
In internal SMPS, IDDSMPS therefore depends on the IDDCore including the internal SMPS efficiency, the voltage ratio (VDDSMPS/VDDCore), and the different external losses (leakage or dissipation). If you need to size the external regulator of the VDDSMPS, you should consider IDDSMPS which corresponds to the VDDCore condition of table 34.
VDDIO4 and VDDIO5 are 3.3V as default. But can be powered at 1.8V by changing OTP124 HSLV_VDDIO4 and HSLV_VDDIO5 when they are configured in SDMMCx
VDDIO2 and VDDIO3 are 3.3V as default. But can be powered at 1.8V by changing OTP124 HSLV_VDDIO2 and HSLV_VDDIO3 when they are configured in XSPI1 and XSPI2 for external memories or other devices which require 1.8V.
Note: In complement of corresponding OTP124 HSLV_VDDIOx bit to set for 1.8V configuration, there are also some register PWR_SVMCRx to configure when GPIOs in VDDIOx domain need to operate at 1.8V
Best regards,
Romain,
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