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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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4513 Fiches technique(PDF) 65 Page - Renesas Technology Corp |
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4513 Fiches technique(HTML) 65 Page - Renesas Technology Corp |
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65 / 210 page  1-52 HARDWARE 4513/4514 Group User’s Manual VOLTAGE DROP DETECTION CIRCUIT The built-in voltage drop detection circuit is designed to detect a drop in voltage and to reset the microcomputer if the supply voltage drops below a set value. Fig. 37 Voltage drop detection circuit operation waveform Fig. 36 Voltage drop detection reset circuit Voltage drop detection circuit Internal reset signal RESET pin Watchdog timer output WEF Note: The output structure of RESET pin is N-channel open-drain. VDD VRST (detection voltage) Voltage drop detection circuit output The microcomputer starts operation after f(XIN) is counted 16892 to 16895 times. RESET pin Notes 1: Pull-up RESET pin externally. 2: Refer to the voltage drop detection circuit in the electrical characteristics for the rating value of VRST (detection voltage). FUNCTION BLOCK OPERATIONS |
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