Datasheet

DS10668 Rev 6 59/126
STM32L031x4/6 Electrical characteristics
96
Table 26. 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
=1.2V,
VOS[1:0] = 11
1 MHz 115 170
µA2 MHz 210 250
4 MHz 385 420
Range 2,
V
CORE
= 1.5 ,V,
VOS[1:0] = 10
4 MHz 0.48 0.6
mA
8 MHz 0.935 1.1
16 MHz 1.8 2
Range 1,
V
CORE
=1.8V,
VOS[1:0] = 01
8 MHz 1.1 1.3
16 MHz 2.1 2.3
32 MHz 4.5 4.7
MSI clock
Range 3,
V
CORE
=1.2V,
VOS[1:0] = 11
65 kHz 22 52
µA524 kHz 70.5 91
4.2 MHz 420 450
HSI16 clock source
(16 MHz)
Range 2,
V
CORE
=1.5V,
VOS[1:0] = 10
16 MHz 1.95 2.2
mA
Range 1,
V
CORE
=1.8V,
VOS[1:0] = 01
32 MHz 4.7 5.1
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
Table 27. Current consumption in Run mode vs code type,
code with data processing running from RAM
(1)
Symbol Parameter 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
=1.2V,
VOS[1:0] = 11
Dhrystone
4 MHz
385
µA
CoreMark 395
Fibonacci 360
while(1) 265
Range 1,
V
CORE
=1.8V,
VOS[1:0] = 01
Dhrystone
32 MHz
4.5
mA
CoreMark 4.65
Fibonacci 4.2
while(1) 3.05
1. Guaranteed by characterization results, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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