GigaDevice Semiconductor GD32VF103 - Figure 14.3. RTC Second and Overflow Waveform Example (RTC_PSC= 3)

GD32VF103 User Manual
216
2)
RTC_Alarm
0
1
2 3
4
RTC_Second
RTC_CNT
ALRMIF
RTC_ PSC
ALRMIF flag can be cleared by software
RTCCLK
2
3
1 0
3 1 13
3
2
1 0 2
0
2
0 2 1
Figure 14.3. RTC second and overflow waveform example (RTC_PSC= 3)
RTC_ Overflow
FFFFFFFD
FFFFFFFE
FFFFFFFF 0
1
RTC_Second
RTC_ CNT
OVIF
RTC_PSC
OVIF flag can be cleared by software
RTCCLK
2
3
1 0
3 1 13
3
2
1 0 2
0
2
0 2 1