STM8L151X6 datasheet(80/142 Pages) STMICROELECTRONICS

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Electrical parameters

STM8L151x4/6, STM8L152x4/6

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DocID15962 Rev 15

In the following table, data is based on characterization results, unless otherwise specified.

Table 25. Typical current consumption in Active-halt mode, RTC clocked by LSE

external crystal

Symbol

Parameter

Condition(1)

Typ

Unit

IDD(AH) (2)

Supply current in Active-halt

mode

VDD = 1.8 V

LSE

1.15

µA

LSE/32(3)

1.05

VDD = 3 V

LSE

1.30

LSE/32(3)

1.20

VDD = 3.6 V

LSE

1.45

LSE/32(3)

1.35

1. No floating I/O, unless otherwise specified.

2. Based on measurements on bench with 32.768 kHz external crystal oscillator.

3. RTC clock is LSE divided by 32.

Table 26. Total current consumption and timing in Halt mode at VDD = 1.65 to 3.6 V

Symbol

Parameter

Condition(1)

Typ

Max

Unit

IDD(Halt)

Supply current in Halt mode

(Ultra-low-power ULP bit =1 in

the PWR_CSR2 register)

TA = -40 °C to 25 °C

350

1400(2)

TA = 55 °C

580

2000

TA = 85 °C

1160

2800(2)

TA = 105 °C

2560

6700(2)

TA = 125 °C

4.4

13(2)

µA

IDD(WUHalt)

Supply current during wakeup

time from Halt mode (using

HSI)

-2.4

tWU_HSI(Halt)(3)(4)

Wakeup time from Halt to Run

mode (using HSI)

-4.7

µs

tWU_LSI(Halt) (3)(4)

Wakeup time from Halt mode

to Run mode (using LSI)

-150

µs

1. TA = -40 to 125 °C, no floating I/O, unless otherwise specified.

2. Tested in production.

3. ULP=0 or ULP=1 and FWU=1 in the PWR_CSR2 register.

4. Wakeup time until start of interrupt vector fetch.

The first word of interrupt routine is fetched 4 CPU cycles after tWU.

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