Datasheet

DS11585 Rev 9 131/272
STM32L496xx Electrical characteristics
243
Table 32. Typical current consumption in Run and Low-power run modes, with different codes
running from Flash, ART enable (Cache ON Prefetch OFF)
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)
2.65
mA
102
µA/MHz
Coremark 2.97 114
Dhrystone 2.1 3.1 119
Fibonacci 2.9 112
While(1) 2.43 93
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
9.44
mA
118
µA/MHz
Coremark 10.6 133
Dhrystone 2.1 10.9 136
Fibonacci 10.3 129
While(1) 8.66 108
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
274
µA
137
µA/MHz
Coremark 307 154
Dhrystone 2.1 308 154
Fibonacci 273 137
While(1) 258 129
1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
Table 33. 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
= 1.10 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)
1.14
mA
44
µA/MHz
Coremark 1.28 49
Dhrystone 2.1 1.34 51
Fibonacci 1.25 48
While(1) 1.05 40
f
HCLK
= 80 MHz
Reduced code
(2)
3.39 42
Coremark 3.81 48
Dhrystone 2.1 3.92 49
Fibonacci 3.70 46
While(1) 3.11 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
= 1.10 V
2. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
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