STM8L052R8T6 datasheet(73/109 Pages) STMICROELECTRONICS

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STM8L052R8

Electrical parameters

Doc ID023337 Rev 2

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Current consumption of on-chip peripherals

Table 24.

Peripheral current consumption

Symbol

Parameter

Typ.

VDD = 3.0 V

Unit

IDD(ALL)

Peripherals ON (1)

IDD(TIM1)

TIM1 supply current(2)

µA/MHz

IDD(TIM2)

TIM2 supply current (2)

IDD(TIM3)

TIM3 supply current (2)

IDD(TIM5)

TIM5 supply current (2)

IDD(TIM4)

TIM4 timer supply current (2)

IDD(USART1)

USART1 supply current (3)

IDD(USART2)

USART2 supply current (3)

IDD(USART3)

USART3 supply current (3)

IDD(SPI1)

SPI1 supply current (3)

IDD(SPI2)

SPI2 supply current (3)

IDD(I2C1)

I2C1 supply current (3)

IDD(DMA1)

DMA1 supply current

IDD(WWDG)

WWDG supply current

IDD(ADC1)

ADC1 supply current(4)

1500

µA

IDD(PVD/BOR)

Power voltage detector and brownout Reset unit supply current

(5)

2.6

IDD(BOR)

Brownout Reset unit supply current (5)

2.4

IDD(IDWDG)

Independent watchdog supply current

including LSI supply

current

0.45

excluding LSI

supply current

0.05

Peripherals listed above the IDD(ALL) parameter ON: TIM1, TIM2, TIM3, TIM4, TIM5, USART1, USART2, USART3, SPI1,

SPI2, I2C1, DMA1, WWDG.

Data based on a differential IDD measurement between all peripherals OFF and a timer counter running at 16 MHz. The

CPU is in Wait mode in both cases. No IC/OC programmed, no I/O pins toggling. Not tested in production.

Data based on a differential IDD measurement between the on-chip peripheral in reset configuration and not clocked and

the on-chip peripheral when clocked and not kept under reset. The CPU is in Wait mode in both cases. No I/O pins

toggling. Not tested in production.

Data based on a differential IDD measurement between ADC in reset configuration and continuous ADC conversion.

Including supply current of internal reference voltage.

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