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ST72F324J Datasheet(PDF) 117 Page - STMicroelectronics |
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ST72F324J Datasheet(HTML) 117 Page - STMicroelectronics |
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117 / 156 page  ST72324J/K 117/156 12.3.4 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. 2. Applicable only in low voltage devices (planned). Symbol Parameter Conditions Min Typ Max Unit VIT+(AVD) 1 ⇒0 AVDF flag toggle threshold (VDD rise) VD level = High in option byte 4.41) 4.6 4.9 V VD level = Med. in option byte2) VD level = Low in option byte2) 3.95 1) 3.4 1) 4.15 3.6 4.4 3.8 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 byte2) VD level = Low in option byte2) 3.75 3.2 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 |
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