43.5 CPU Standby Power

Table 43-8. CPU Standby Current Consumption Electrical Specifications
DC CHARACTERISTICS Standard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated) Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param. No.SymbolCharacteristicsVDD = VDDIOTyp.(1)Max.UnitsConditions
SPWR_1IDD_STANDBY(2)CPU IDD in Standby mode XOSC32K running

RTC running at 1 kHz

5.0V15.1 585.5µASRAM in Back Bias mode (PM.STDBYCFG.BBIASHS = 0x1),

Low-Power regulator is used (PM.STDBYCFG.VREGSMODE = 0x2)

SPWR_33.3V13.7574.3µA
SPWR_55.0V60.9650.3 µASRAM in Back Bias mode (PM.STDBYCFG.BBIASHS = 0x1),

Main Regulator used (PM.STDBYCFG.VREGSMODE = 0x1)

SPWR_73.3V57.2645.1 µA
SPWR_95.0V16694.2µASRAM in No Back Bias mode (PM.STDBYCFG.BBIASHS = 0x0),

Low- Power regulator is used (PM.STDBYCFG.VREGSMODE = 0x2)

SPWR_113.3V14.5681.4 µA
SPWR_135.0V61.9765 µASRAM in No Back Bias mode (PM.STDBYCFG.BBIASHS = 0x0),

Main Regulator used (PM.STDBYCFG.VREGSMODE = 0x1)

SPWR_153.3V58.3759.3µA
SPWR_29CPU IDD in Standby mode XOSC32K stopped

RTC stopped

5.0V13.6580.1 µASRAM in Back Bias mode (PM.STDBYCFG.BBIASHS = 0x1),

Low- Power regulator is used (PM.STDBYCFG.VREGSMODE = 0x2)

SPWR_313.3V12.6569.4 µA
SPWR_335.0V59.3642.5 µASRAM in Back Bias mode (PM.STDBYCFG.BBIASHS = 0x1),

Main Regulator is used (PM.STDBYCFG.VREGSMODE = 0x1)

SPWR_353.3V56.2 636.5µA
SPWR_375.0V14.4 690µASRAM in No Back Bias mode (PM.STDBYCFG.BBIASHS = 0x0),

Low Power regulator used (PM.STDBYCFG.VREGSMODE = 0x2)

SPWR_393.3V13.5677.6µA
SPWR_415.0V60.3760µASRAM in No Back Bias mode (PM.STDBYCFG.BBIASHS = 0x0),

Main Regulator used (PM.STDBYCFG.VREGSMODE = 0x1)

SPWR_433.3V57.2754.3µA
Note:
  1. Typical values at 25°C only.
  2. Conditions:
    • System in standby mode
    • No SleepWalking (except RTC when indicated)
    • Peripheral modules are inactive (except RTC when indicated)
    • All clocks stopped (CPU, AHB, APB, Main, GCLK, except RTC running at 1 KHz from XOSC32K when indicated)
    • All clock generation sources disabled except XOSC32K running with external 32 kHz crystal when indicated
    • All I/O pins configured as input pins pulled down or tied to GND
    • WDT, CFD Clock Fail Detect disabled
    • BODVDD disabled
    • RESET = VDDIO.
Figure 43-3. Power Consumption Over Temperature in Standby Sleep Mode with RTC
Operating Conditions:
  • VDD = VDDIO = 5.0V