The values are measured power consumption under the following
conditions, except where otherwise specified:
- T = 25°C
- OSC20M at 16 MHz used as system clock
source
- No peripherals enabled and all I/O ports
set to inputs connected to VDD or GND
Table 35-4. Power Consumption in Active and Idle
Mode
| Mode |
Description |
Condition |
Typ. |
Max. |
Unit |
| Active |
Active power consumption |
CLK_CPU=16 MHz |
VDD=5V |
7.9 |
10 |
mA |
| CLK_CPU=8 MHz (div2) |
VDD=5V |
4.0 |
5.5 |
mA |
| VDD=3V |
2.2 |
3.5 |
mA |
| CLK_CPU=32 KHz (OSCULP32K) |
VDD=5V |
19 |
35 |
µA |
| VDD=3V |
11 |
25 |
µA |
| Idle |
Idle power consumption |
CLK_CPU=16 MHz |
VDD=5V |
3.4 |
5 |
mA |
| CLK_CPU=8 MHz (div2) |
VDD=5V |
1.7 |
2.5 |
mA |
| VDD=3V |
0.9 |
1.5 |
mA |
| CLK_CPU=32 KHz (OSCULP32K) |
VDD=5V |
8.0 |
20 |
µA |
| VDD=3V |
4.0 |
15 |
µA |
Table 35-5. Power Consumption in Power-Down,
Standby, and Reset Mode
| Mode |
Description |
Condition |
Typ. 25°C |
Max. 85°C |
Max. 125°C |
Unit |
| Standby |
Standby power consumption |
RTC running at 1.024 kHz from external XOSC32K (CL=7.5 pF) |
VDD=3V |
0.69 |
- |
- |
µA |
| RTC running at 1.024 kHz from internal OSCULP32K |
VDD=3V |
0.71 |
6.0 |
8.0 |
µA |
| Power Down/Standby |
Power down/Standby power consumption are the same when all
peripherals are stopped |
All peripherals stopped |
VDD=3V |
0.1 |
5.0 |
7.0 |
µA |
| Reset |
Reset power consumption |
Reset line pulled down |
VDD=3V |
100 |
- |
- |
µA |
