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STM32L552CC 数据表(PDF) 72 Page - STMicroelectronics |
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STM32L552CC 数据表(HTML) 72 Page - STMicroelectronics |
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72 / 340 page  Functional overview STM32L552xx 72/340 DS12737 Rev 6 TAMP main features: • 32 backup registers: – The backup registers (TAMP_BKPxR) are implemented in the RTC domain that remains powered-on by VBAT when the VDD power is switched off • 8 external tamper detection events – Each external event can be configured to be active or passive – External passive tampers with configurable filter and internal pull-up • 5 internal tamper events • Any tamper detection can generate a RTC timestamp event • Any tamper detection can erase the backup registers • TrustZone support: – Tamper secure or non-secure configuration. – Backup registers configuration in 3 configurable-size areas: 1 read/write secure area 1 write secure/read non-secure area 1 read/write non-secure area • Monotonic counter. |
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