DocID025832 Rev 2
STM32F042xx
Electrical characteristics
94
I
DD
Supply current in Run mode,
code executing from RAM
HSI48
48 MHz 19.3
21.9
22.1
23.7
11.9
13.4
13.6
13.7
mA
HSE bypass,
PLL on
48 MHz
19.2
21.8
(3)
22.0
22.1
11.7 13.3
13.5
13.7
32 MHz
13.4
15.8
15.9
16.0
7.9
8.8
8.9
9.7
24 MHz
10.3
12.6
13.0
13.4
6.2
8.0
8.2
8.3
HSE bypass,
PLL off
8 MHz
3.6
4.1
4.3
4.4
2.0
2.1
2.1
2.5
1 MHz
0.8
0.9
0.9
1.1
0.4
0.5
0.6
0.8
HSI clock,
PLL on
48 MHz
19.5
22.0
22.1
22.5
11.8
13.6
13.8
13.9
32 MHz 13.5
16.3
16.4
16.6
8.0
8.8
9.1
9.9
24 MHz 10.5
12.8
13.0
13.8
6.5
8.0
8.1
8.4
HSI clock,
PLL off
8 MHz
3.7
4.7
5.0
5.3
2.1
2.3
2.4
3.0
Supply current in Sleep mode,
code executing from Flash or RAM
HSI48
48 MHz
12.4
15.1
16.3
16.7
3.0
3.2
3.3
3.4
HSE bypass,
PLL on
48 MHz
12.3
15.0
16.0
16.2
2.9
3.2
3.3
3.4
32 MHz
8.5
10.6
11.2
11.7
1.9
2.1
2.2
2.5
24 MHz
6.5
8.1
8.5
8.7
1.6
1.8
1.8
1.9
HSE bypass,
PLL off
8 MHz
2.3
3.0
3.1
3.2
0.7
0.8
0.8
0.9
1 MHz 0.4
0.4
0.4
0.6
0.1
0.3
0.3
0.4
HSI clock,
PLL on
48 MHz
12.4
15.3
15.7
15.9
3.0
3.0
3.2
3.4
32 MHz
8.6
10.7
11.3
11.6
2.1
2.2
2.2
2.5
24 MHz
6.6
8.4
8.7
8.9
1.6
1.6
1.7
1.9
HSI clock,
PLL off
8 MHz
2.4
3.2
3.4
3.6
0.6
0.8
0.9
1.0
1. USB is kept disabled as this IP functions only with a 48
MHz
clock.
2. Data based on characterization results, not tested in production unless otherwise specified.
3. Data based on characterization results and tested in production (using one common test limit for sum of I
DD
and I
DDA
).
Table 26. Typical and maximum current consumption from V
DD
supply at V
DD
=
3.6
V
(continued)
Symbol
Parameter
Conditions
f
HCLK
All peripherals enabled
(1)
All peripherals disabled
Unit
Typ
Max @ T
A
(2)
Typ
Max @ T
A
(2)
25 °C
85 °C
105 °C
25 °C
85 °C 105 °C