Table 130. Rtc Pin Pc13 Configuration; Table 131. Lse Pin Pc14 Configuration; Table 132. Lse Pin Pc15 Configuration - STMicroelectronics RM0365 Reference Manual

RM0365
Pin RTC_ALARM
configuration output
and function enabled
RTC_ALARM
output OD
RTC_ALARM
output PP
RTC_CALIB
output PP
RTC_TAMP1
input floating
RTC_TS and
RTC_TAMP1
input floating
RTC_TS input
floating
Output PP
forced
Wakeup pin or
Standard
GPIO
1. OD: open drain; PP: push-pull.
Pin configuration and
function
LSE oscillator
LSE bypass
Output PP forced
Standard GPIO
1. OD: open drain; PP: push-pull.
Pin configuration and
function
LSE oscillator
Output PP forced
Standard GPIO
1. OD: open drain; PP: push-pull.

Table 130. RTC pin PC13 configuration

RTC_CALIB
output
enabled
1 Don't care
1 Don't care
0 1
0 0
0 0
0 0
0 0
0 0

Table 131. LSE pin PC14 configuration

LSEON bit in
RCC_BDCR register
1
1
0
0

Table 132. LSE pin PC15 configuration

LSEON bit in
RCC_BDCR register
1
1
0
0
RTC_TAMP1 RTC_TS
input
enabled enabled
Don't care Don't care
Don't care Don't care
Don't care Don't care
1
1
0
0
0
LSEBYP bit in
RCC_BDCR register
0
1
Don't care
Don't care
LSEBYP bit in
RCC_BDCR register
0
1
Don't care
Don't care
DocID025202 Rev 7
Real-time clock (RTC)
(1)
PC13MODE
input
bit
Don't care
Don't care
Don't care
0 Don't care
1 Don't care
1 Don't care
0 1
0 0
(1)
PC14MODE
bit
Don't care
Don't care
1
0
(1)
PC15MODE
bit
Don't care
1
0
PC13VALUE
bit
0
1
Don't care
Don't care
Don't care
Don't care
PC13 output
data value
Don't care
PC14VALUE
bit
Don't care
Don't care
PC14 output data
value
Don't care
PC15VALUE
bit
Don't care
PC15 output data
value
Don't care
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