Datasheet

DocID025936 Rev 8 61/143
STM32L052x6 STM32L052x8 Electrical characteristics
112
Table 29. Current consumption in Run mode, code with data processing running from Flash
Symbol Parameter Conditions f
HCLK
Typ Max
(1)
Unit
I
DD
(Run
from
Flash)
Supply
current in
Run mode,
code
executed
from Flash
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL ON)
(2)
Range 3, V
CORE
=1.2 V
VOS[1:0]=11
1 MHz 165 230
µA2 MHz 290 360
4 MHz 555 630
Range 2, V
CORE
=1.5 V,
VOS[1:0]=10,
4 MHz 0.665 0.74
mA
8 MHz 1.3 1.4
16 MHz 2.6 2.8
Range 1, V
CORE
=1.8 V,
VOS[1:0]=01
8 MHz 1.55 1.7
16 MHz 3.1 3.4
32 MHz 6.3 6.8
MSI clock
Range 3, V
CORE
=1.2 V,
VOS[1:0]=11
65 kHz 36.5 110
µA524 kHz 99.5 190
4.2 MHz 620 700
HSI clock
Range 2, V
CORE
=1.5 V,
VOS[1:0]=10,
16 MHz 2.6 2.9
mA
Range 1, V
CORE
=1.8 V,
VOS[1:0]=01
32 MHz 6.25 7
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
Table 30. Current consumption in Run mode vs code type,
code with data processing running from Flash
Symbol Parameter Conditions f
HCLK
Typ Unit
I
DD
(Run
from
Flash)
Supply
current in
Run mode,
code
executed
from Flash
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL ON)
(1)
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
Dhrystone
4 MHz
555
µA
CoreMark 585
Fibonacci 440
while(1) 355
while(1), prefetch
OFF
353
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
Dhrystone
32 MHz
6.3
mA
CoreMark 6.3
Fibonacci 6.55
while(1) 5.4
while(1), prefetch
OFF
5.2
1. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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