Backup registers (BKP) UM0306
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Bit 2
TPIE Tamper Pin interrupt enable
0: Tamper interrupt disabled
1: Tamper interrupt enabled (the TPE bit must also be set in the BKP_CR register
Note 1: A Tamper interrupt does not wake up the core from low-power modes.
Note 2: This bit is reset only by a system reset and wake-up from STANDBY mode.
Bit 1
CTI Clear Tamper Interrupt
This bit is write only, and is always read as 0.
0: No effect
1: Clear the Tamper interrupt and the TIF Tamper interrupt flag.
Bit 0
CTE Clear Tamper event
This bit is write only, and is always read as 0.
0: No effect
1: Reset the TEF Tamper event flag (and the Tamper detector)