Datasheet

Electrical characteristics STM32L011x3/4
52/119 DocID027973 Rev 5
6.3.4 Supply current characteristics
The current consumption is a function of several parameters and factors such as the
operating voltage, temperature, I/O pin loading, device software configuration, operating
frequencies, I/O pin switching rate, program location in memory and executed binary code.
The current consumption is measured as described in Figure 13: Current consumption
measurement scheme.
All Run-mode current consumption measurements given in this section are performed with a
reduced code that gives a consumption equivalent to Dhrystone 2.1 code if not specified
otherwise.
The current consumption values are derived from the tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 18: General operating
conditions unless otherwise specified.
The MCU is placed under the following conditions:
• All I/O pins are configured in analog input mode
• All peripherals are disabled except when explicitly mentioned
• The Flash memory access time and prefetch is adjusted depending on f
HCLK
frequency
and voltage range to provide the best CPU performance unless otherwise specified.
• When the peripherals are enabled f
APB1
= f
APB2
= f
APB
• When PLL is ON, the PLL inputs are equal to HSI = 16 MHz (if internal clock is used) or
HSE = 16 MHz (if HSE bypass mode is used)
• The HSE user clock is applied to CK_IN. It follows the characteristic specified in
Table 35: High-speed external user clock characteristics
• For maximum current consumption V
DD
= V
DDA
= 3.6 V is applied to all supply pins
• For typical current consumption V
DD
= V
DDA
= 3.0 V is applied to all supply pins if not
specified otherwise
4. Guaranteed by design, not tested in production.
5. Shortest sampling time can be determined in the application by multiple iterations.
6. To guarantee less than 1% VREF_OUT deviation.
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