Datasheet

Electrical characteristics STM32L496xx
132/272 DS11585 Rev 9
Table 34. 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)
1.04
mA
40
µA/MHz
Coremark 1.17 45
Dhrystone 2.1 1.22 47
Fibonacci 1.14 44
While(1) 0.96 37
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 26, Table 28, Table 30.
Table 35. 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 2.85 110
Dhrystone 2.1 2.86 110
Fibonacci 2.63 101
While(1) 2.42 93.1
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
10
mA
125
µA/MHz
Coremark 9.33 117
Dhrystone 2.1 9.4 118
Fibonacci 8.66 108
While(1) 8.61 108
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
378
µA
189
µA/MHz
Coremark 412 206
Dhrystone 2.1 418 209
Fibonacci 392 196
While(1) 266 133
1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
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