STM8L052C6 datasheet(58/103 Pages) STMICROELECTRONICS

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Electrical parameters

STM8L052C6

58/103

DocID023331 Rev 2

Table 17. Total current consumption in Run mode

Symbol

Para

meter

Conditions(1)

All peripherals OFF, VDD from 1.8 V to 3.6 V, HSI internal RC oscillator, fCPU=fSYSCLK

Typ

Max

Unit

55 °C

85 °C

IDD(RUN)

Supply

current

in run

mode(2)

CPU executing typical data processing

All

peripherals



OFF,



code

executed



from RAM,



VDD from

1.8 V to 3.6 V

HSI RC osc.

(16 MHz)(3)

The run from RAM consumption can be approximated with the linear formula:



IDD(run_from_RAM) = Freq * 90 µA/MHz + 380 µA

fCPU = 125 kHz

0.39

0.47

0.49

fCPU = 1 MHz

0.48

0.56

0.58

fCPU = 4 MHz

0.75

0.84

0.86

fCPU = 8 MHz

1.10

1.20

1.25

fCPU = 16 MHz

1.85

1.93

2.12(5)

HSE external

clock



(fCPU=fHSE)

(4)

fCPU = 125 kHz

0.05

0.06

0.09

fCPU = 1 MHz

0.18

0.19

0.20

fCPU = 4 MHz

0.55

0.62

0.64

fCPU = 8 MHz

0.99

1.20

1.21

fCPU = 16 MHz

1.90

2.22

2.23(5)

LSI RC osc.

(typ. 38 kHz)

fCPU = fLSI

0.040 0.045

0.046

LSE external

clock



(32.768 kHz)

fCPU = fLSE

0.035 0.040 0.048(5)

IDD(RUN)

Supply



current



in Run



mode

All

peripherals

OFF, code

executed

from Flash,



VDD from

1.8 V to 3.6 V

HSI RC



oscillator.(6)

fCPU = 125 kHz

0.43

0.55

0.56

fCPU = 1 MHz

0.60

0.77

0.80

fCPU = 4 MHz

1.11

1.34

1.37

fCPU = 8 MHz

1.90

2.20

2.23

fCPU = 16 MHz

3.8

4.60

4.75

HSE external

clock

(fCPU=fHSE)

(4)

fCPU = 125 kHz

0.30

0.36

0.39

fCPU = 1 MHz

0.40

0.50

0.52

fCPU = 4 MHz

1.15

1.31

1.40

fCPU = 8 MHz

2.17

2.33

2.44

fCPU = 16 MHz

4.0

4.46

4.52

LSI RC osc.

fCPU = fLSI

0.110

0.123

0.130

LSE ext. clock



(32.768

kHz)(7)

fCPU = fLSE

0.100 0.101

0.104

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