Datasheet

DS10668 Rev 6 57/126
STM32L031x4/6 Electrical characteristics
96
Table 24. Current consumption in Run mode, code with data processing running
from Flash memory
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 140 200
µA2 MHz 245 310
4MHz 460 540
Range 2, V
CORE
= 1.5 V,
VOS[1:0] = 10,
4 MHz 0.56 0.63
mA
8 MHz 1.1 1.2
16 MHz 2.1 2.3
Range 1, V
CORE
= 1.8 V,
VOS[1:0] = 01
8 MHz 1.25 1.4
16 MHz 2.5 2.7
32 MHz 5 5.6
HSI clock
Range 2, V
CORE
= 1.5 V,
VOS[1:0] = 10,
16 MHz 2.1 2.4
Range 1, V
CORE
= 1.8 V,
VOS[1:0] = 01
32 MHz 5.1 5.7
MSI clock
Range 3, V
CORE
= 1.2 V,
VOS[1:0] = 11
65 kHz 34.5 110
µA524 kHz 86 150
4.2 MHz 505 570
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
Table 25. Current consumption in Run mode vs code type,
code with data processing running from Flash memory
Symbol Parameter Conditions f
HCLK
Typ Unit
I
DD
(Run
from
Flash)
Supply
current in
Run mode,
code
executed
from Flash
memory
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
460
µA
CoreMark 455
Fibonacci 330
while(1) 305
while(1), prefetch
OFF
320
Range 1,
VOS[1:0] = 01,
V
CORE
= 1.8 V
Dhrystone
32 MHz
5
mA
CoreMark 5.15
Fibonacci 5
while(1) 4.35
while(1), prefetch
OFF
3.85
1. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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