STM32F051R6T6 Datasheet, PDF (47/104 Pages) STMicroelectronics – Low- and medium-density advanced ARM-based 32-bit MCU

Electrical characteristics
STM32F051x
Table 26. Typical and maximum current consumption from the V_DDA supply
V_DDA = 2.4 V
V_DDA = 3.6 V
Symbol
Parameter
Conditions
(1)
f_HCLK
Max @ T_A(2)
Max @ T_A(2)
Unit
Typ
Typ
25 °C 85 °C 105 °C
25 °C 85 °C 105 °C
HSE
48 MHz 150 170 178 182 164 183 195 198
bypass, 32 MHz 104 121 126 128 113 129 135 138
PLL on _{24 MHz 82}
96
100 103 88 102 106 108
Supply
current in
HSE
8 MHz 2.0 2.7 3.1 3.3 3.5 3.8 4.1 4.4
Run mode, ^bypass,
code
PLL off
1 MHz 2.0
2.7
3.1
3.3 3.5 3.8
4.1
4.4
executing
48 MHz 220 240 248 252 244 263 275 278
from Flash
or RAM
HSI clock,
PLL on
32 MHz
174
191
196
198 193 209
215
218
24 MHz 152 167 173 174 168 183 190 192
HSI clock,
PLL off
8 MHz
72
79
82
83 83.5 91
94
95
I_DDA
µA
48 MHz 150 170 178 182 164 183 195 198
HSE
bypass, 32 MHz 104 121 126 128 113 129 135 138
Supply
PLL on
24 MHz 82 96 100 103 88 102 106 108
current in
HSE
8 MHz 2.0 2.7 3.1 3.3 3.5 3.8 4.1 4.4
Sleep
bypass,
mode,
PLL off ^{1 MHz 2.0 2.7 3.1 3.3 3.5 3.8 4.1 4.4}
code
executing
48 MHz 220 240 248 252 244 263 275 278
from Flash
or RAM
HSI clock,
PLL on
32 MHz
174
191
196
198 193 209
215
218
24 MHz 152 167 173 174 168 183 190 192
HSI clock,
PLL off
8 MHz
72
79
82
83 83.5 91
94
95
1. Current consumption from the V_DDA supply is independent of whether the peripherals are on or off. Furthermore when the
PLL is off, I_DDA is independent from the frequency.
2. Data based on characterization results, not tested in production.
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Doc ID 022265 Rev 3