STM8TL52X4 datasheet(50/84 Pages) STMICROELECTRONICS

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Electrical parameters

STM8TL52x4 STM8TL53x4

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DocID022344 Rev 7

Figure 13. Typ. IDD(Halt) vs. VDD. fCPU = 2 MHz and 16 MHz

1. Typical current consumption measured with code executed from Flash.

Table 21. Total current consumption in Halt mode and Active-halt mode

VDD = 1.65 V to 3.6 V

(1) (2)

1. TA = 40 to 85 °C, no floating I/O, unless otherwise specified.

2. Data based on characterization, not tested in production.

Symbol

Parameter

Conditions

Typ.

Max.

Unit

IDD(AH)

Supply current in Active-halt

mode

LSI RC osc.



(at 38 kHz)

TA = 40 °C to 25 °C

A

TA = 85 °C

1.4

3.2

A

IDD(WUProx)

Supply current during

wakeup time from Active halt

mode (using HSI)

fCPU = 16 MHz

tWU(AH)(3)

3. Measured from interrupt event to interrupt vector fetch. To get tWU for another CPU frequency use

tWU(FREQ) = tWU(16 MHz) + 1.5 (TFREQ-T16 MHz). The first word of interrupt routine is fetched 5 CPU

cycles after tWU.

Wakeup time from Active-

halt mode to Run mode

fCPU= 16 MHz

6.5

s

IDD(Halt)

Supply current in Halt mode

TA = 40 °C to 25 °C

0.4

1.2(4)

4. Tested in production.

A

TA = 85 °C

2.5(4)

A

IDD(WUFH)

Supply current during

wakeup time from Halt mode

fCPU = 16 MHz

tWU(Halt)

Wakeup time from Halt mode

to Run mode

fCPU = 16 MHz

6.5

s

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