STM8L151C4 datasheet(79/142 Pages) STMICROELECTRONICS

79 / 142 page

DocID15962 Rev 15

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STM8L151x4/6, STM8L152x4/6

Electrical parameters

115

IDD(AH)

Supply current in

Active-halt mode

LSE external

clock

(32.768 kHz)

(6)

LCD OFF(7)

TA = -40 °C to 25 °C

0.5

1.2

μA

TA = 55 °C

0.62

1.4

TA = 85 °C

0.88

2.1

TA = 105 °C

2.1

4.85

TA = 125 °C

4.8

LCD ON

(static duty/

external

VLCD) (3)

TA = -40 °C to 25 °C

0.85

1.9

TA = 55 °C

0.95

2.2

TA = 85 °C

1.3

3.2

TA = 105 °C

2.3

5.3

TA = 125 °C

5.0

LCD ON

(1/4 duty/

external

VLCD) (4)

TA = -40 °C to 25 °C

1.5

2.5

TA = 55 °C

1.6

3.8

TA = 85 °C

1.8

4.2

TA = 105 °C

2.9

7.0

TA = 125 °C

5.7

LCD ON

(1/4 duty/

internal

VLCD) (5)

TA = -40 °C to 25 °C

3.4

7.6

TA = 55 °C

3.7

8.3

TA = 85 °C

3.9

9.2

TA = 105 °C

5.0

14.5

TA = 125 °C

6.3

15.2

IDD(WUFAH)

Supply current during

wakeup time from

Active-halt mode

(using HSI)

2.4

tWU_HSI(AH)(8)(9)

Wakeup time from

Active-halt mode to

Run mode (using HSI)

4.7

μs

tWU_LSI(AH)(8)

(9)

Wakeup time from

Active-halt mode to

Run mode (using LSI)

150

μs

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

2. RTC enabled. Clock source = LSI

3. RTC enabled, LCD enabled with external VLCD = 3 V, static duty, division ratio = 256, all pixels active, no LCD connected.

4. RTC enabled, LCD enabled with external VLCD, 1/4 duty, 1/3 bias, division ratio = 64, all pixels active, no LCD connected.

5. LCD enabled with internal LCD booster VLCD = 3 V, 1/4 duty, 1/3 bias, division ratio = 64, all pixels active, no LCD

connected.

6. Oscillator bypassed (LSEBYP = 1 in CLK_ECKCR). When configured for external crystal, the LSE consumption

(IDD LSE) must be added. Refer to Table 32.

7. RTC enabled. Clock source = LSE.

8. Wakeup time until start of interrupt vector fetch.

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

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

Table 24. Total current consumption and timing in Active-halt mode at VDD = 1.65 V to 3.6 V

Symbol

Parameter

Conditions (1)

Typ Max

Unit

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