STMicroelectronics STM32WL5 Series Reference Manual page 993

RM0453
PC13 Pin function
TAMPALRM
output
Open-Drain
CALIB output PP
TAMP_IN1 input floating
RTC_TS and TAMP_IN1
input floating
RTC_TS input floating
Table 210. PC13 configuration
01 or
10 or
11
No pull 00
01 or
10 or
11
01 or
(2)
10 or
11
Internal
00
pull-up
01 or
10 or
11
00
00
00
Don't
care
00
00
Don't
care
00
00
Don't
care
RM0453 Rev 5
(1)
0
Don't Don't
1
care care
1
0
Don't Don't
1
care care
1
0 1 0
Don't
0 0
care
0 1
1
Don't
0
care
Don't
0 0
care
0 1
1
Don't
0
care
Don't
0 0
care
0 1
1
Don't
0
care
Real-time clock (RTC)
(continued)
Don't
1 0
care
Don't
1 1
care
Don't Don't Don't
care care care
Don't Don't
1
care care
Don't Don't
1
care care
Don't Don't
0
care care
Don't
care
Don't
care
Don't
care
0
1
1
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