48.6 Standby Power

Table 48-9. MCU Standby Current Consumption DC Electrical Specifications
DC CHARACTERISTICS Standard Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsPower PinTyp.(1)Max.UnitsConditions
SPWR_5IDD_STANDBY (2)MCU IDD in Standby mode w/VDDCORE_x = 0.8V VDDIO = AVDD = 3.3V0.220.28mARAM Low- Power mode enabled (PM.STDBYCFG.LPRAM = 0x1),

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

Voltage Regulators Low Voltage enabled (SUPC.VREGCTRL.LVSTDBY = 0x1)

Voltage Reference Low Voltage disabled (SUPC.VREF.LPSTDBY = 0x0)

SPWR_7VDDREG = 3.3V0.473mA
SPWR_9 VDDIO = VDDANA = 3.3V0.130.18mARAM Low- Power mode enabled (PM.STDBYCFG.LPRAM = 0x1),

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

Voltage Regulators Low Voltage enabled (SUPC.VREGCTRL.LVSTDBY = 0x1)

Voltage Reference Low Voltage enabled (SUPC.VREF.LPSTDBY = 0x1)

SPWR_11VDDREG = 3.3V0.162.7mA
SPWR_17MCU IDD in Standby mode w/VDDCORE_x = 1.2V VDDIO = AVDD = 3.3V0.250.31mARAM Low-Power mode enabled (PM.STDBYCFG.LPRAM = 0x1),

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

Voltage Regulators Low Voltage disabled (SUPC.VREGCTRL.LVSTDBY = 0x0)

Voltage Reference Low Voltage disabled (SUPC.VREF.LPSTDBY = 0x0)

SPWR_19VDDREG = 3.3V0.77.7mA
SPWR_21 VDDIO = AVDD = 3.3V0.160.21mARAM Low- Power mode enabled (PM.STDBYCFG.LPRAM = 0x1),

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

Voltage Regulators Low Voltage disabled (SUPC.VREGCTRL.LVSTDBY = 0x0)

Voltage Reference Low Voltage enabled (SUPC.VREF.LPSTDBY = 0x1)

SPWR_23VDDREG = 3.3V0.337.5mA
Note:
  1. Typical values at 25°C only.
  2. Conditions:
    • No peripheral modules are operating, unless specified (i.e., all peripherals inactive)
    • APB Peripheral bus clocks: default settings after reset
    • MCU is running on Flash with automatic wait state
    • I/Os are inactive input mode with input trigger disabled
    • All clock generation sources disabled unless otherwise specified
    • WDT, CFD Clock Fail Detect disabled

Operating conditions:

  • VDDIO = 3.3V
  • RAM low-power mode enabled
  • NVM power reduction mode is enter auto Standby
  • Voltage regulators low voltage enabled
  • Voltage reference low voltage enabled
  • No RTC
Figure 48-3. Power Consumption over Temperature in Standby Mode (Typical values for guidance only, not tested)