Datasheet

Electrical characteristics STM32L071xx
74/144 DS10690 Rev 6
On-chip peripheral current consumption
The current consumption of the on-chip peripherals is given in the following tables. The
MCU is placed under the following conditions:
• all I/O pins are in input mode with a static value at V
DD
or V
SS
(no load)
• all peripherals are disabled unless otherwise mentioned
• the given value is calculated by measuring the current consumption
– with all peripherals clocked OFF
– with only one peripheral clocked on
Table 39. Peripheral current consumption in Run or Sleep mode
(1)
Peripheral
Typical consumption, V
DD
= 3.0 V, T
A
= 25 °C
Unit
Range 1,
V
CORE
=1.8 V
VOS[1:0] = 01
Range 2,
V
CORE
=1.5 V
VOS[1:0] = 10
Range 3,
V
CORE
=1.2 V
VOS[1:0] = 11
Low-power
sleep and
run
APB1
CRS 2.5 2 2 2
µA/MHz
(f
HCLK
)
I2C1 11 9.5 7.5 9
I2C3 11 9 7 9
LPTIM1 10 8.5 6.5 8
LPUART1 8 6.5 5.5 6
SPI2 9 4.5 3.5 4
USART2 14.5 12 9.5 11
USART4 5 4 3 5
USART5 5 4 3 5
TIM2 10.5 8.5 7 9
TIM3 12 10 8 11
TIM6 3.5 3 2.5 2
TIM7 3.5 3 2.5 2
WWDG 3 2 2 2
APB2
ADC1
(2)
5.5 5 3.5 4
µA/MHz
(f
HCLK
)
SPI1 4 3 3 2.5
USART1 14.5 11.5 9.5 12
TIM21 7.5 6 5 5.5
TIM22 7 6 5 6
FIREWALL 1.5 1 1 0.5
DBGMCU 1.5 1 1 0.5
SYSCFG 2.5 2 2 1.5
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