Differences

This shows you the differences between two versions of the page.

--- stm32:peripherals:rtc_real_time_clock [2017/08/24 11:52] – [RTC_DR] ruan
+++ stm32:peripherals:rtc_real_time_clock [2022/12/27 17:59] (current) – [RTC_SSR] ruan
@@ Line 5: / Line 5: @@
 \\ {{rtc_calendar_registers.svg?400em}} \\ \\
-==== RTC_DR ====
+==== RTC_DR - RTC Date Register ====
-RTC Date Register
 \\ {{rtc_reg_dr.svg}} \\ \\
-|< 100% 5em 5em >|
+|< 100% 5em 10em 5em 10em>|
 |DU[3:0]|Date units in BCD format|||
 |DT[1:0]|Date tens in BCD format|||
 |MU[3:0]|Month units in BCD format|||
 |MT|Month tens in BCD format|||
-|WDU[2:0]|Week day units|000|Forbidden|||
+|WDU[2:0]|Week day units|000|Forbidden|
 |:::|:::|001|Monday|
 |:::|:::|...|...|
 |:::|:::|111|Sunday|
-|||001|Monday|
+|YU[3:0]|Year units in BCD format|||
-||||
+|YT[3:0]|Year tens in BCD format||
-||||
+==== RTC_TR - RTC Time Register====
+\\ {{rtc_reg_tr.svg}} \\ \\
+|< 100% 5em 10em 5em 10em>|
+|SU[3:0]|Second units in BCD format|||
+|ST[2:0]|Second tens in BCD format|||
+|MNU[3:0]|Minute units in BCD format|||
+|MNT[2:0]|Minute tens in BCD format|||
+|HU[3:0]|Hour units in BCD format|||
+|HT[1:0]|Hour tens in BCD format|||
+|PM|AM/PM notation|0|AM or 24-hour format|
+|:::|:::|1|PM|
+==== RTC_SSR - RTC Sub Second Register ====
-==== RTC_TR ====
+\\ {{rtc_reg_ssr.svg}} \\ \\
-==== RTC_SSR ====
+|< 100% 5em 10em 5em 10em>|
+|SS[15:0]|Sub second value|Second fraction = (PREDIV_S - SS)/(PREDIV_S + 1)||