Datasheet

Electrical characteristics STM32L433xx
110/224 DocID028794 Rev 4
Table 37. Typical current consumption in Run modes, with different codesrunning 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)
1.05
mA
40
µA/MHz
Coremark 0.96 37
Dhrystone 2.1 0.97 37
Fibonacci 0.89 34
While(1) 0.86 33
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 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)
2.42
mA
93
µA/MHz
Coremark 2.18 84
Dhrystone 2.1 2.40 92
Fibonacci 2.40 92
While(1) 2.29 88
Range 1
f
HCLK
= 80 MHz
Reduced code
(1)
8.63
mA
108
µA/MHz
Coremark 7.76 97
Dhrystone 2.1 8.55 107
Fibonacci 8.56 107
While(1) 8.12 102
I
DD_ALL
(LPRun)
Supply
current in
Low-power
run
f
HCLK
= f
MSI
= 2 MHz
all peripherals disable
Reduced code
(1)
205
µA
103
µA/MHz
Coremark 188 94
Dhrystone 2.1 222 111
Fibonacci 204 102
While(1) 211 106
1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.
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