Datasheet

DS10198 Rev 8 133/270
STM32L476xx Electrical characteristics
238
Table 37. Typical current consumption in Run modes, with different codes running from
Flash, ART disable and power supplied by external SMPS (V
DD12
= 1.10 V)
Symbol Parameter
Conditions
(1)
TYP
Unit
TYP
Unit
-
Voltage
scaling
Code 25 °C 25 °C
I
DD_ALL
(Run)
Supply
current in
Run mode
f
HCLK
= f
HSE
up to
48 MHz included,
bypass mode
PLL ON above
48 MHz
all peripherals
disable
f
HCLK
= 26 MHz
Reduced code
(2)
1.34
mA
51
µA/MHz
Coremark 1.25 48
Dhrystone 2.1 1.21 46
Fibonacci 1.16 45
While(1) 1.12 43
f
HCLK
= 80 MHz
Reduced code
(2)
3.59 45
Coremark 3.38 42
Dhrystone 2.1 3.27 41
Fibonacci 3.24 40
While(1) 3.34 42
1. All values are obtained by calculation based on measurements done without SMPS and using following parameters: SMPS
input = 3.3 V, SMPS efficiency = 85%, V
DD12
= 1.10 V
2. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.
Table 38. Typical current consumption in Run modes, with different codes running
from Flash, ART disable and power supplied by external SMPS (V
DD12
= 1.05 V)
Symbol Parameter
Conditions
(1)
TYP
Unit
TYP
Unit
-
Voltage
scaling
Code 25 °C 25 °C
I
DD_ALL
(Run)
Supply
current in
Run mode
f
HCLK
= f
HSE
up to
48 MHz included,
bypass mode
PLL ON above
48 MHz
all peripherals
f
HCLK
= 26 MHz
Reduced code
(2)
1.22
mA
47
µA/MHz
Coremark 1.14 44
Dhrystone 2.1 1.10 42
Fibonacci 1.06 41
While(1) 1.02 39
1. All values are obtained by calculation based on measurements done without SMPS and using following parameters: SMPS
input = 3.3 V, SMPS efficiency = 85%, V
DD12
= 1.05 V
2. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.
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