ST72F521M datasheet(158/199 Pages) STMICROELECTRONICS

부품명	ST72F521M

상세설명	8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

PDF	199 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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12.3.3 Auxiliary Voltage Detector (AVD) Thresholds

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

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

12.3.4 External Voltage Detector (EVD) Thresholds

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

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIT+(AVD)

⇒0 AVDF flag toggle threshold

(VDD rise)

VD level = High in option byte

4.4 1)

4.6

4.9

VD level = Med. in option byte

VD level = Low in option byte

Not Applicable

VIT-(AVD)

⇒1 AVDF flag toggle threshold

(VDD fall)

VD level = High in option byte

4.2

4.4

4.65 1)

VD level = Med. in option byte

VD level = Low in option byte

Not Applicable

Vhys(AVD)

AVD voltage threshold hysteresis

VIT+(AVD)-VIT-(AVD)

200

∆V

IT-

Voltage drop between AVD flag set

and LVD reset activated

VIT-(AVD)-VIT-(LVD)

450

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIT+(EVD)

⇒0 AVDF flag toggle threshold

(VDD rise)

1.15

1.26

1.35

VIT-(EVD)

⇒1 AVDF flag toggle threshold

(VDD fall)

1.1

1.2

1.3

Vhys(EVD)

EVD voltage threshold hysteresis

VIT+(EVD)-VIT-(EVD)

200

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