ST52T400 datasheet(84/94 Pages) STMICROELECTRONICS

부품명	ST52T400

상세설명	8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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ST52T400/T440/E440/T441

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11.11 Control Pin Characteristics

11.11.1 RESET pin.

Subject to general operating conditions for VDD,fosc, and TA, unless otherwise specified

11.11.2 Power on reset.

11.11.3 VPP pin.

Subject to general operating conditions for VDD, fosc, and TA,unless otherwise specified.

Notes:

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

2. Hysteresis voltage between Schmitt trigger switching level.

Based on characterization results not tested in production.

3. Data is based on design simulation and/or technology characteristics, not tested in production.

4. In working mode VPP must be tied to VSS

Table 11.13 Reset pin

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Input low level voltage1)

VDD=5 V

2.23)

VIH

Input high level voltage1)

VDD=5 V

2.83)

Vhys

Schmitt trigger voltage hysteresis2)

VDD=5 V

0.63)

tFN

Duration of filtered noise

100

tRST

Reset pulse duration

500

Table 11.14 Power on reset

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

POR

Power on reset

2.25

2.30

2.38

Table 11.15 VPP

4) pin

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Input low level voltage3)

VSS

0.2

VIH

Input high level voltage3)

VDD-0.1

12.6

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