Datasheet

DocID025936 Rev 8 63/143
STM32L052x6 STM32L052x8 Electrical characteristics
112
Table 31. Current consumption in Run mode, code with data processing running from RAM
Symbol Parameter Conditions f
HCLK
Typ Max
(1)
Unit
I
DD
(Run
from
RAM)
Supply current in
Run mode, code
executed from
RAM, Flash
switched off
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 135 170
µA2 MHz 240 270
4 MHz 450 480
Range 2,
V
CORE
=1.5 ,V,
VOS[1:0]=10
4 MHz 0.52 0.6
mA
8 MHz 1 1.2
16 MHz 2 2.3
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
8 MHz 1.25 1.4
16 MHz 2.45 2.8
32 MHz 5.1 5.4
MSI clock
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
65 kHz 34.5 75
µA524 kHz 83 120
4.2 MHz 485 540
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
=1.5 V,
VOS[1:0]=10
16 MHz 2.1 2.3
mA
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
32 MHz 5.1 5.6
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
Table 32. Current consumption in Run mode vs code type,
code with data processing running from RAM
(1)
Symbol P arameter Conditions f
HCLK
Typ Unit
I
DD
(Run
from
RAM)
Supply current in
Run mode, code
executed from
RAM, Flash
switched off
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
Dhrystone
4 MHz
450
µA
CoreMark 575
Fibonacci 370
while(1) 340
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
Dhrystone
32 MHz
5.1
mA
CoreMark 6.25
Fibonacci 4.4
while(1) 4.7
1. Guaranteed by characterization results, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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