Datasheet
DocID17943 Rev 6 73/134
STM8L15xx8, STM8L15xR6 Electrical parameters
121
9.3.3 Supply current characteristics
Total current consumption
The MCU is placed under the following conditions:
• All I/O pins in input mode with a static value at V
DD
or V
SS
(no load)
• All peripherals are disabled except if explicitly mentioned.
In the following table, data are based on characterization results, unless otherwise
specified.
Subject to general operating conditions for V
DD
and T
A
.
Table 20. Total current consumption in Run mode
Symbol
Para
meter
Conditions
(1)
Typ.
Max.
Unit
55°C
85 °C
(2)
105 °C
(3)
125 °C
(4)
I
DD(RUN)
Supply
current
in run
mode
(5)
All
peripherals
OFF,
code
executed
from RAM,
V
DD
from
1.65 V to
3.6 V
HSI RC osc.
(16 MHz)
(6)
f
CPU
= 125 kHz
0.22 0.28 0.39 0.47 0.51
mA
f
CPU
= 1 MHz
0.32 0.38 0.49 0.57 0.61
f
CPU
= 4 MHz
0.59 0.65 0.76 0.84 0.88
f
CPU
= 8 MHz
0.93 0.99 1.1 1.18 1.22
f
CPU
= 16 MHz
1.62 1.68 1.79
(7)
1.87
(7)
1.91
(7)
HSE
external
clock
(f
CPU
=f
HSE
)
(8)
f
CPU
= 125 kHz
0.21 0.25 0.35 0.44 0.49
f
CPU
= 1 MHz
0.3 0.34 0.44 0.53 0.58
f
CPU
= 4 MHz
0.57 0.61 0.71 0.8 0.85
f
CPU
= 8 MHz
0.95 0.99 1.09 1.18 1.23
f
CPU
= 16 MHz
1.73 1.77 1.87
(7)
1.96
(7)
2.01
(7)
LSI RC osc.
(typ. 38 kHz)
f
CPU
= f
LSI
0.029 0.035 0.039 0.044 0.055
LSE external
clock
(32.768 kHz)
f
CPU
= f
LSE
0.028 0.034 0.038 0.042 0.054