Table 38. Rtc_Af2 Pin - STMicroelectronics STM32F405 Reference Manual

General-purpose I/Os (GPIO)
Pin configuration and function
TAMPER1 input floating
TIMESTAMP and TAMPER1 input
floating
TIMESTAMP input floating
Standard GPIO
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Table 38. RTC_AF2 pin

Time TAMP1INSEL
Tamper
stamp
enabled
enabled pin selection
1 0
1 1
0 1
0 0
DocID018909 Rev 11
TSINSEL
TIMESTAMP
TAMPER1
pin
selection
1 Don't care
1 1
Don't care 1
Don't care Don't care
RM0090
ALARMOUTTYPE
RTC_ALARM
configuration
Don't care
Don't care
Don't care
Don't care