Datasheet

Electrical characteristics STM32L496xx
134/272 DS11585 Rev 9
Table 38. Typical current consumption in Run and Low-power run modes, with different codes
running from SRAM1
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)
2.72
mA
105
µA/MHz
Coremark 2.72 105
Dhrystone 2.1 2.65 102
Fibonacci 2.47 95
While(1) 2.37 91
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
9.71
mA
121
µA/MHz
Coremark 9.7 121
Dhrystone 2.1 9.48 119
Fibonacci 8.79 110
While(1) 8.45 106
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
258
µA
129
µA/MHz
Coremark 268 134
Dhrystone 2.1 240 120
Fibonacci 230 115
While(1) 255 128
1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
Table 39. Typical current consumption in Run, with different codesrunning from
SRAM1 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)
1.17
mA
45
µA/MHz
Coremark 1.17 45
Dhrystone 2.1 1.14 44
Fibonacci 1.07 41
While(1) 1.02 39
f
HCLK
= 80 MHz
Reduced code
(1)
3.49 44
Coremark 3.49 44
Dhrystone 2.1 3.41 43
Fibonacci 3.16 39
While(1) 3.04 38
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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