STM8L052R8 datasheet(65/109 Pages) STMICROELECTRONICS

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STM8L052R8

Electrical parameters

Doc ID023337 Rev 2

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In the following table, data are based on characterization results, unless otherwise specified.

Table 18.

Total current consumption in Wait mode

Symbol Parameter

Conditions(1)

Typ

Max

Unit

55°C

85 °C

IDD(Wait)

Supply

current in

Wait mode

CPU not

clocked,

all peripherals

OFF,

code executed

from RAM

with Flash in IDDQ

mode,(2)

VDD from

1.8 V to 3.6 V

HSI

fCPU = 125 kHz

0.21

0.29

0.33

fCPU = 1 MHz

0.25

0.33

0.37

fCPU = 4 MHz

0.32

0.4

0.44

fCPU = 8 MHz

0.42

0.496

0.54

fCPU = 16 MHz

0.66

0.736 0.78(3)

HSE external clock

(fCPU=fHSE)

(4)

fCPU = 125 kHz

0.19

0.21

0.3

fCPU = 1 MHz

0.2

0.23

0.32

fCPU = 4 MHz

0.27

0.3

0.39

fCPU = 8 MHz

0.37

0.4

0.49

fCPU = 16 MHz

0.63

0.66

0.75(3)

LSI

fCPU = fLSI

0.028 0.037

0.039

LSE(5) external clock

(32.768 kHz)

fCPU = fLSE

0.027 0.035

0.038

CPU not

clocked,

all peripherals

OFF,

code executed

from Flash,

VDD from

1.8 V to 3.6 V

HSI

fCPU = 125 kHz

0.27

0.36

0.42

fCPU = 1 MHz

0.29

0.38

0.44

fCPU = 4 MHz

0.37

0.46

0.52

fCPU = 8 MHz

0.45

0.55

0.61

fCPU = 16 MHz

0.69

0.79

0.85

HSE(4) external clock

(fCPU=

HSE)

fCPU = 125 kHz

0.23

0.29

0.32

fCPU = 1 MHz

0.24

0.31

0.34

fCPU = 4 MHz

0.32

0.39

0.42

fCPU = 8 MHz

0.42

0.49

0.51

fCPU = 16 MHz

0.7

0.77

0.79

LSI

fCPU = fLSI

0.037 0.085

0.105

LSE(5) external clock

(32.768 kHz)

fCPU = fLSE

0.036 0.082

0.095

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

Flash is configured in IDDQ mode in Wait mode by setting the EPM or WAITM bit in the Flash_CR1 register.

Tested in production.

Oscillator bypassed (HSEBYP = 1 in CLK_ECKCR). When configured for external crystal, the HSE consumption

(IDD HSE) must be added. Refer to Table 28.

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