Datasheet

Electrical characteristics STM32L476xx
132/270 DS10198 Rev 8
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 35. Typical current consumption in Run, with different codes running from Flash,
ART enable (Cache ON Prefetch OFF) 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
disable
f
HCLK
= 26 MHz
Reduced code
(2)
1.14
mA
44
µA/MHz
Coremark 1.22 47
Dhrystone 2.1 1.22 47
Fibonacci 1.14 44
While(1) 1.10 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
= 1.05 V
2. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.
Table 36. Typical current consumption in Run and Low-power run modes, with different codes
running from Flash, ART disable
Symbol Parameter
Conditions 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
Range 2
f
HCLK
= 26 MHz
Reduced code
(1)
3.1
mA
119
µA/MHz
Coremark 2.9 111
Dhrystone 2.1 2.8 111
Fibonacci 2.7 104
While(1) 2.6 100
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
10.0
mA
125
µA/MHz
Coremark 9.4 117
Dhrystone 2.1 9.1 114
Fibonacci 9.0 112
While(1) 9.3 116
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
358
µA
179
µA/MHz
Coremark 392 196
Dhrystone 2.1 390 195
Fibonacci 385 192
While(1) 385 192
1. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.
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