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ST72321AR Folha de dados(PDF) 142 Page - STMicroelectronics

Nome de Peças ST72321AR
Descrição Electrónicos  64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE
PDF  189 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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ST72321AR Folha de dados(HTML) 142 Page - STMicroelectronics

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12.3.3 Auxiliary Voltage Detector (AVD) Thresholds
Subject to general operating conditions for VDD, fCPU, and TA.
1. Data based on characterization results, tested in production for ROM devices only.
12.3.4 External Voltage Detector (EVD) Thresholds
Subject to general operating conditions for VDD, fCPU, and TA.
1. Data based on characterization results, not tested in production.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIT+(AVD)
1
⇒0 AVDF flag toggle threshold
(VDD rise)
VD level = High in option byte
4.4 1)
4.6
4.9
V
VD level = Med. in option byte
VD level = Low in option byte
3.95 1)
3.4 1)
4.15
3.6
4.41)
3.81)
VIT-(AVD)
0
⇒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
3.751)
3.21)
4.0
3.4
4.2 1)
3.6 1)
Vhys(AVD)
AVD voltage threshold hysteresis
VIT+(AVD)-VIT-(AVD)
200
mV
∆V
IT-
Voltage drop between AVD flag set
and LVD reset activated
VIT-(AVD)-VIT-(LVD)
450
mV
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIT+(EVD)
1
⇒0 AVDF flag toggle threshold
(VDD rise)
1)
1.15
1.26
1.35
V
VIT-(EVD)
0
⇒1 AVDF flag toggle threshold
(VDD fall)
1)
1.1
1.2
1.3
Vhys(EVD)
EVD voltage threshold hysteresis
VIT+(EVD)-VIT-(EVD)
200
mV



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