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STM32L552CCT3PTR Datasheet(PDF) 72 Page - STMicroelectronics

Part # STM32L552CCT3PTR
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L552CCT3PTR Datasheet(HTML) 72 Page - STMicroelectronics

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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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