Patent ID: 11940471
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. The chip according to claim 17, wherein the voltage attack detection circuit further comprises:
an external supply voltage sensor and an external supply glitch sensor;
wherein the external supply is configured to output a second voltage, the external supply voltage sensor is connected to the external supply, the external supply voltage sensor is configured to receive the second voltage and output a third signal, the third signal is configured to indicate whether the second voltage is under voltage attack of a duration within the first range and an attack strength within the second range; the external supply glitch sensor is connected to the external supply, the external supply glitch sensor is configured to receive the second voltage and output a fourth signal, and the fourth signal is configured to indicate whether the second voltage is under voltage attack of a duration within the third range and an attack strength within the fourth range.