STM32WL33C8 datasheet(41/91 Pages) STMICROELECTRONICS

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6.3.3

Supply current characteristics

The current consumption is a function of several parameters and factors such as the operating voltage, ambient

temperature, I/O pin loading, device software configuration, operating frequencies, I/O pin switching rate, program

location in memory and executed binary code.

The MCU is put under the following conditions:

•

all I/O pins are in pull-up or pull-down configuration

•

all peripherals are disabled except when explicitly mentioned

•

the flash memory access time is adjusted with the minimum number of wait states.

Table 12. Shutdown and Reset current

Symbol

Parameter

Test condition

Typ.

VDD = 3.3 V

Unit

ICORE

Shutdown

Current under Reset condition

955

µA

Table 13. Current consumption in Deepstop mode

Symbol

Parameter

Test condition

Typ.

VDD = 3.3 V

Unit

ICORE

Deepstop current(1)

No timer, only wake-up GPIO enabled, RAM0 retained

910

No timer, only wake-up GPIO enabled, all RAM retained

980

(32 kHz LSI), RAM0 retained

1460

(32 kHz LSI), all RAM retained

1540

(32 kHz LSE), RAM0 retained

1163

(32 kHz LSE), all RAM retained

1240

Timer source LSI RTC ON

1710

Timer source LSI IWDG ON

1558

Timer source LSI, RTC and IWDG ON

1748

Timer source LSE RTC ON

1430

Timer source LSE IWDG ON

1273

Timer source LSE LPUART ON

1370

Timer source LSE RTC, LPUART and IWDG ON

1670

Timer source LSE VLCD external, static duty(2)

1880

Timer source LSE VLCD external, 1/4 duty(3)

2090

1. The current consumption in Deepstop mode is measured considering that the entire SRAM is retained.

2. LCD division ratio 256, all pixels active, no LCD connected.

3. LCD 1/3 bias, division ratio 64, all pixels active, no LCD connected.

STM32WL33xx

Electrical characteristics

DS14221 - Rev 5

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