STLUX385ATR datasheet(89/126 Pages) STMICROELECTRONICS

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STLUX

Electrical characteristics

126

IC low power current consumption

Table 73 summarizes the current consumption measured on VDD/VDDA supply pins in power

saving conditions.

Table 73. Supply low power consumption at VDD/VDDA = 3.3/5 V

Symbol

Code

Clock

Peripheral

Consumption(1)

Note

Op. mode(2),(3)

Code

area

fMASTER

E2PROM(4) MVRreg.(5) Typ.(6), (7) Max.(8), (7)

Description

Source

MHz

Enable

IDD(AHLT1)

Flash

HSI

Enable

0.23

0.32

AWU clocked by LSI

IDD(AHLT2)

Flash

HSI

Enable

Disable

0.085

0.12

AWU clocked by LSI

IDD(AHLT3)

Flash HSE(9), (10)

Enable

0.73

0.90

VDD/VDDA = 3.3 V

1.4

1.7

VDD/VDDA = 5 V

IDD(AHLT4)

Flash HSE(9), (10)

Enable

Disable

0.65

0.95

VDD/VDDA = 3.3 V

1.2

1.45

VDD/VDDA = 5 V

IDD(HLT1)

Flash

HSI

Enable

Disable

0.087

0.13

IDD(HLT2)

Flash HSE(9), (10)

Enable

Disable

0.075

0.11

VDD/VDDA = 3.3 V

0.090

0.15

VDD/VDDA = 5 V

1. Data based on characterization results not tested in production.

2. Active halt op. mode: all peripherals except AWU and IWDG are disabled (clock gated).

3. HALT op. mode: all peripherals are disabled (clock gated).

4. E2PROM is considered always enabled.

.VCORE main DC voltage regulator.

6. Temperature operating: TA= 25 °C.

7. All the analog input signals are connected to GND; the signals of the port P0, P1 and P2 are configured as input with the

pull-up enabled.

8. Temperature operating: TA= 105 °C.

9. HSE frequency provided by external quartz.

10. AWU clocked by HSE source clock.

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