Datasheet

Electrical characteristics STM32L052x6 STM32L052x8
70/143 DocID025936 Rev 8
Cortex-
M0+ core
I/O port
GPIOA 3.5 3 2.5 2.5
µA/MHz
(f
HCLK
)
GPIOB 3.5 2.5 2 2.5
GPIOC 8.5 6.5 5.5 7
GPIOD 1 0.5 0.5 0.5
GPIOH 1.5 1 1 0.5
AHB
CRC 1.5 1 1 1
µA/MHz
(f
HCLK
)
FLASH 0
(3)
0
(3)
0
(3)
0
(3)
DMA1 10 8 6.5 8.5
RNG 5.5 1 0.5 0.5
TSC 3 2.5 2 3
All enabled 283 225 222.5 212.5
µA/MHz
(f
HCLK
)
PWR 2.5 2 2 1
µA/MHz
(f
HCLK
)
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.
2. HSI oscillator is OFF for this measure.
3. Current consumption is negligible and close to 0 µA.
Table 39. Peripheral current consumption in Run or Sleep mode
(1)
(continued)
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
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