48.6 MCU Standby Power

Table 48-9. MCU Standby Current Consumption DC Electrical Specifications
DC CHARACTERISTICS Standard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsPower PinTyp (1)Max.UnitsConditions
SPWR_1IDD_STANDBY (2)MCU IDD in Standby mode VDDIO = AVDD = 3.3V0.71.135mAFull System RAM retained (PM.STDBYCFG.RAMCFG = 0x0),

RAM in Low-Power mode (PM.STDBYCFG.LPRAM = 0x1),

NVM Power Reduction mode: Enter Auto Standby (FCR.CTRLB.SLP = 0x0)

SPWR_3VDDREG = 1.8V6185mA
Note:
  1. Typical values at 25°C only.
  2. Conditions:
    • No peripheral modules are operating, unless specified (i.e., all peripherals inactive)
    • BMX clock = CPU frequency / 2
    • APB Peripheral bus clocks: default settings after reset
    • Arm-M7 Cache disabled
    • MCU is running on Flash with automatic wait state
    • VREG_PLL enabled
    • VREG_USB0/VREG_USB1 disabled
    • I/Os are inactive input mode with input trigger disabled
    • All clock generation sources disabled
    • WDT, CFD Clock Fail Detect disabled