33.5 Power Consumption

Operating conditions:
  • VDD = 3V
  • T = 25°C
  • OSC20M used as the system clock source, unless otherwise specified
  • System power consumption measured with peripherals disabled and without I/O drive
Table 33-5. Power Consumption in Active, Idle, Power-Down, Standby and Reset Mode
ModeDescriptionConditionMin.Typ.Max.Unit
ActiveActive power consumptionCLK_CPU = 20 MHz (OSC20M)VDD = 5V-9.1-mA
CLK_CPU = 10 MHz (OSC20M div2)VDD = 5V-4.9-mA
VDD = 3V-2.8-mA
CLK_CPU = 5 MHz (OSC20M div4)VDD = 5V-2.8-mA
VDD = 3V-1.6-mA
VDD = 2V-1.1-mA
CLK_CPU = 32.768 kHz (OSCULP32K)VDD = 5V-18-µA
VDD = 3V-10-µA
VDD = 2V-7.2-µA
IdleIdle power consumptionCLK_CPU = 20 MHz (OSC20M)VDD = 5V-2.43.6(1)mA
CLK_CPU = 10 MHz (OSC20M div2)VDD = 5V-1.42.1(1)mA
VDD = 3V-0.81.2(1)mA
CLK_CPU = 5 MHz (OSC20M div4)VDD = 5V-1.01.5(1)mA
VDD = 3V-0.60.9mA
VDD = 2V-0.4-mA
CLK_CPU = 32.768 kHz (OSCULP32K)VDD = 5V-4.815(1)µA
VDD = 3V-2.410(1)µA
VDD = 2V-1.5-µA
StandbyStandby power consumptionRTC running at 1.024 kHz from external XOSC32K (CL = 7.5 pF)-0.7-µA
RTC running at 1.024 kHz from internal OSCULP32KT = 25°C-0.72.0µA
T = 85°C--6.0(1)µA
T = 125°C--8.0µA
Power Down/StandbyPower-down/Standby power consumption are the same when all peripherals are stoppedAll peripherals stoppedT = 25°C-0.11.5µA
T = 85°C--4.0(1)µA
T = 125°C--7.0µA
ResetReset power consumptionReset line pulled low-100-µA
Note:
  1. These values are based on characterization and not covered by production test limits.