Datasheet

DocID027096 Rev 2 69/137
STM32L073xx Electrical characteristics
117
Table 32. Current consumption in Run mode, code with data processing running from RAM
Symbol Parameter Condition
f
HCLK
(MHz)
Typ Max
(1)
Unit
I
DD
(Run
from RAM)
Supply current in Run
mode code executed
from RAM, Flash
memory switched off
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL ON)
(2)
Range3,
Vcore=1.2 V
VOS[1:0]=11
1175230
µA2315360
4570630
Range2,
Vcore=1.5 V
VOS[1:0]=10
40,710,78
mA
81,351,6
16 2,7 3
Range1,
Vcore=1.8 V
VOS[1:0]=01
81,71,9
16 3,2 3,7
32 6,65 7,1
MSI clock
Range3,
Vcore=1.2 V
VOS[1:0]=11
0,065 38 98
µA0,524 105 160
4,2 615 710
HSI clock source
(16 MHz)
Range2,
Vcore=1.5 V
VOS[1:0]=10
16 2,85 3
mA
Range1,
Vcore=1.8 V
VOS[1:0]=01
32 6,85 7,3
1. Guaranteed by characterization results at 125 °C, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
Table 33. Current consumption in Run mode vs code type,
code with data processing running from RAM
(1)
Symbol Parameter Conditions f
HCLK
Typ Unit
I
DD
(Run
from
RAM)
Supply current in
Run mode, code
executed from
RAM, Flash
memory switched
off
f
HSE
= f
HCLK
up to
16 MHz included,
f
HSE
= f
HCLK
/2 above
16 MHz (PLL on)
(2)
Range 3,
V
CORE
=1.2 V,
VOS[1:0]=11
Dhrystone
4 MHz
570
µA
CoreMark 670
Fibonacci 410
while(1) 375
Range 1,
V
CORE
=1.8 V,
VOS[1:0]=01
Dhrystone
32 MHz
6,65
mA
CoreMark 6,95
Fibonacci 5,9
while(1) 5,2
1. Guaranteed by characterization results, unless otherwise specified.
2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).
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