AN3316 datasheet(37/42 Pages) STMICROELECTRONICS

37 / 42 page

AN3316

Consumption tables

Doc ID 18232 Rev 2

37/42

So, the STOP lowest consumption is 0.2 mA obtained with following configuration:

–

Sysclk off

 PD0 conso = 0.2 mA

–

all others modules/peripherals off

As an example, consider following STOP mode configuration with fsys = 8 MHz and all

peripherals clocked at 2 MHz:

Table 12.

STOP mode consumption table

Conso (mA)

FIRC-16MHz

0.6

FOSC-8MHz

1.78

PLL

Non onfigurable

CFLASH

Low Power

Normal

0.89

7.22

DFLASH

Low Power

Normal

0.6

4.29

MVREG

1.06

Power-Down output

0.44

PD0(1)

Core/Platform + Power Domain 0 (always on consumption

0.0585*fsys + 0.2

PD1(2)

Consumption of Power Domain 1 that depends on the system clock (divided or not) provided to the

peripherals

0.194*fsys + 0.1978

Table 13.

STOP mode consumption example

Status

Formula(mA)

Conso(mA)

FIRC-16MHz

0.6

FOSC-8MHz

Off

1.78

PLL

Off

Non Configurable

CFLASH

Normal

Low Power

Normal

7.22

0.89

7.22

DFLASH

Power down

Low Power

Normal

0.6

4.29

MVREG

1.06

Power-Down Output

0.44

PD0(1)

Core/Platform + Power Domain 0 (always on consumption

0.0585*8 + 0.2

0.668

PD1(2)

0.194*2 + 0.1978

0.5858

Total conso evaluated

10.1338

Total conso measured

10.41

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