Power Consumption

Table 1. Power Consumption in Active and Idle Mode
Operating Conditions:
  • VDD = VDDIO2 = 3.0V
  • TA = 25°C
  • System power consumption measured with peripherals disabled and I/O ports driven low with inputs disabled
Symbol Description Min. Typ.✝ Max. 85°C Max. 125°C Units Conditions
IDD Active power consumption 4.7 mA OSCHF = 24 MHz
1.1 mA OSCHF = 4 MHz
4.7 μA OSC32K = 32.768 kHz
4.4 mA EXTCLK = 24 MHz
910 μA EXTCLK = 4 MHz
760 μA

XTALHF = 4 MHz,
XOSCHFCTRLA.FRQRANGE = 0x0

3.32 mA

XTALHF = 24 MHz,
XOSCHFCTRLA.FRQRANGE = 0x2

8.2 μA

XOSC32K = 32.768 kHz,
XOSC32KCTRLA.LPMODE = 0

6.3 μA

XOSC32K = 32.768 kHz,
XOSC32KCTRLA.LPMODE = 1

IDD_IDLE Idle power consumption 2.3 mA OSCHF = 24 MHz
630 μA OSCHF = 4 MHz
3.1 μA OSC32K = 32.768 kHz
2.0 mA EXTCLK = 24 MHz
480 μA EXTCLK = 4 MHz
393 μA

XTALHF = 4 MHz,
XOSCHFCTRLA.FRQRANGE = 0x0

1.37 mA

XTALHF = 24 MHz,
XOSCHFCTRLA.FRQRANGE = 0x2

6.8 μA

XOSC32K = 32.768 kHz,
XOSC32KCTRLA.LPMODE = 0

4.8 μA

XOSC32K = 32.768 kHz,
XOSC32KCTRLA.LPMODE = 1

IDD_BASE Minimum power consumption in different sleep modes 650 nA

Power-Down or Standby mode,
VREGCTRL.PMODE = 0 (AUTO)

160 μA

Power-Down mode,
VREGCTRL.PMODE = 1 (FULL)

0.9 μA

Power-Down mode,
VREGCTRL.PMODE = 0 (AUTO),
VREGCTRL.HTLLEN = 1

IRST Reset power consumption 170 μA RESET line pulled low