ST7MC1K2 datasheet(316/371 Pages) STMICROELECTRONICS

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12.3.2

Operating conditions with low voltage detector (LVD)

Subject to general operating conditions for VDD, fOSC, and TA.

12.3.3

Auxiliary voltage detector (AVD) thresholds

Subject to general operating condition for VDD, fOSC, and TA.

Table 190.

Operating conditions with LVD

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIT+(LVD)

Reset release threshold (VDD rise)

3.904.204.50

VIT-(LVD)

Reset generation threshold (VDD fall)

3.804.004.35

Vhys(LVD)

LVD voltage threshold hysteresis

VIT+(LVD)-VIT-(LVD)

200

VtPOR

VDD rise time rate

(1)

µs/V

100

ms/V

tg(VDD)

Width of filtered glitches on VDD

(1) (which

are not detected by the LVD)

Data based on characterization results, not tested in production.

Table 191.

AVD thresholds

Symbol

Parameter

Conditions

Min

Typ

Max(1)

Unit

VIT+(AVD)

⇒0 AVDF flag toggle threshold (V

rise)

4.35

4.70

4.90

VIT-(AVD)

⇒1 AVDF flag toggle threshold (V

DD fall)

4.20

4.50

4.70

Vhyst(AVD)

AVD voltage threshold hysteresis(2)

VIT+(AVD)-VIT-(AVD)

200

∆V

IT-

Voltage drop between AVD flag set and

LVD reset activated

VIT-(AVD)-VIT-(LVD)

450

See Section 15.7: Maximum values of AVD thresholds on page 366

Data based on characterization results, not tested in production.

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