STM8AL31E8X datasheet(75/133 Pages) STMICROELECTRONICS

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STM8AL31E8x STM8AL3LE8x

Electrical parameters

119

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

specified.

Table 22. Total current consumption in Wait mode

Symbol Parameter

Conditions(1)

Typ

Max

Unit

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 1.65 V to

3.6 V

HSI

fCPU = 125 kHz

0.35

0.45(4)

fCPU = 1 MHz

0.35

0.50(4)

fCPU = 4 MHz

0.40

0.60(4)

fCPU = 8 MHz

0.50

0.60(4)

fCPU = 16 MHz

0.70

0.85

HSE external clock

(fCPU=fHSE)(3)

fCPU = 125 kHz

0.05

0.10(4)

fCPU = 1 MHz

0.10

0.20(4)

fCPU = 4 MHz

0.20

0.40(4)

fCPU = 8 MHz

0.40

0.65(4)

fCPU = 16 MHz

0.76

1.15(4)

LSI

fCPU = fLSI

80(4)

µA

LSE(5) external

clock (32.768 kHz)

fCPU = fLSE

70(4)

IDD(Wait)

Supply

current in

Wait mode

CPU not

clocked, all

peripherals

OFF, code

executed from

Flash, VDD

from 1.65 V to

3.6 V

HSI

fCPU = 125 kHz

0.38

0.55(4)

fCPU = 1 MHz

0.40

0.60(4)

fCPU = 4 MHz

0.50

0.65(4)

fCPU = 8 MHz

0.60

0.75(4)

fCPU = 16 MHz

0.80

0.90

HSE(3) external

clock (fCPU= HSE)

fCPU = 125 kHz

0.07

0.15(4)

fCPU = 1 MHz

0.10

0.20(4)

fCPU = 4 MHz

0.25

0.45(4)

fCPU = 8 MHz

0.50

0.65(4)

fCPU = 16 MHz

1.00

1.20(4)

LSI

fCPU = fLSI

100(4)

µA

LSE(5) external

clock (32.768 kHz)

fCPU = fLSE

80(4)

1. All peripherals OFF, VDD from 1.65 V to 3.6 V, HSI internal RC osc., fCPU = fSYSCLK

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

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

(IDD HSE) must be added. Refer to Table 32.

4. Guaranteed by characterization results.

5. Oscillator bypassed (LSEBYP = 1 in CLK_ECKCR). When configured for external crystal, the LSE consumption

(IDD HSE) must be added. Refer to Table 33

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