Datasheet

DocID027973 Rev 5 61/119
STM32L011x3/4 Electrical characteristics
93
Table 32. Peripheral current consumption in run or Sleep mode
(1)
1. Data based on differential I
DD
measurement between all peripherals OFF an one peripheral with clock
enabled, in the following conditions: f
HCLK
= 32 MHz (range 1), f
HCLK
= 16 MHz (range 2), f
HCLK
= 4 MHz
(range 3), f
HCLK
= 64kHz (Low-power run/sleep), f
APB1
= f
HCLK
, f
APB2
= f
HCLK
, default prescaler value for
each peripheral. The CPU is in Sleep mode in both cases. No I/O pins toggling. Not tested in production.
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
WWDG 2.5 2 1.6 2
µA/MHz
(f
HCLK
)
LPUART1 8.3 7.2 5.4 7.2
I2C1 11 8.2 6.8 8.9
LPTIM1 14 11 8.7 11
TIM2 10.5 8.5 6.4 8.5
USART2 8.5 6.8 5.4 7.1
APB2
ADC1
(2)
2. HSI oscillator is OFF for this measure.
5.0 3.9 3.3 4
µA/MHz
(f
HCLK
)
SPI1 4.5 3.5 2.9 3.6
TIM21 6.8 6.1 4.5 5.6
DBGMCU 1.7 1.7 1.1 1.4
SYSCFG/
COMP
2.5 2.4 1.6 2.3
Cortex-
M0+ core
I/O port
GPIOA 7.6 6.3 4.9 6.5
µA/MHz
(f
HCLK
)
GPIOB 5.1 4.1 3.2 4
GPIOC 1.1 0.7 0.6 0.8
AHB
CRC 1.5 1.1 1 1.2
µA/MHz
(f
HCLK
)
FLASH
(3)
3. These values correspond to the Flash memory dynamic current consumption. The Flash memory static
consumption (Flash memory ON) equals 12 µA and does not depend on the frequency.
The Flash memory consumption is already taken into account in all the supply current consumption tables
(Flash memory ON cases).
10 8.5 7 8.5
DMA1 5.3 4.2 3.5 4.8
All enabled 96 80 62 88
PWR 2.1 1.9 1.4 1.8
µA/MHz
(f
HCLK
)
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