Datasheet

Table Of Contents
Bits Name Description Type Reset
13:8 MIN Minutes RW 0x00
7:6 Reserved. - - -
5:0 SEC Seconds RW 0x00
CTRL Register
Description
RTC Control and status
Table 584. CTRL
Register
Bits Name Description Type Reset
31:9 Reserved. - - -
8 FORCE_NOTLEAP
YEAR
If set, leapyear is forced off.
Useful for years divisible by 100 but not by 400
RW 0x0
7:5 Reserved. - - -
4 LOAD Load RTC SC 0x0
3:2 Reserved. - - -
1 RTC_ACTIVE RTC enabled (running) RO -
0 RTC_ENABLE Enable RTC RW 0x0
IRQ_SETUP_0 Register
Description
Interrupt setup register 0
Table 585.
IRQ_SETUP_0 Register
Bits Name Description Type Reset
31:30 Reserved. - - -
29 MATCH_ACTIVE RO -
28 MATCH_ENA Global match enable. Don’t change any other value while
this one is enabled
RW 0x0
27 Reserved. - - -
26 YEAR_ENA Enable year matching RW 0x0
25 MONTH_ENA Enable month matching RW 0x0
24 DAY_ENA Enable day matching RW 0x0
23:12 YEAR Year RW 0x000
11:8 MONTH Month (1..12) RW 0x0
7:5 Reserved. - - -
4:0 DAY Day of the month (1..31) RW 0x00
IRQ_SETUP_1 Register
Description
Interrupt setup register 1
RP2040 Datasheet
4.9. RTC 580