Indikacia zastavenia RTC, was: pamet "na chvili"

[Lubor Otta]

Z dokumentu UM10360


Table 513. RTC Auxiliary control register (RTC_AUX - address 0x4002 405C) bit description
Bit Symbol Description Reset
value
3:0 - Reserved, user software should not write ones to reserved bits. The value read from a
reserved bit is not defined.
NA
4 RTC_OSCF RTC Oscillator Fail detect flag.
Read: this bit is set if the RTC oscillator stops, and when RTC power is first turned on. An
interrupt will occur when this bit is set, the RTC_OSCFEN bit in RTC_AUXEN is a 1, and the
RTC interrupt is enabled in the NVIC.
Write: writing a 1 to this bit clears the flag.
1
31:5 - Reserved, user software should not write ones to reserved bits. The value read from a
reserved bit is not defined

______________________________________________________________
> Od: "Jan Waclawek" <konfera na efton.sk>
> Komu: "HW-news" <hw-list na list.hw.cz>
> Datum: 24.08.2024 12:20
> Předmět: Re: Indikacia zastavenia RTC, was: pamet "na chvili"
>
>> Já to pouľívám na procesoru stejné kategorie (cortex M3) od nxp, a tam je bit osc-fault.
>
>Ktory menovite? Zbezne som pozrel LPC17xx a tam som nic take nenasiel, ale
>mozno ste mysleli na niektory z biliona ex-Freescale mcu, v tych sa vobec
>neorientujem. Vcelku by ma zaujimalo, ako tento konkretny detail riesia
>rozni vyrobcovia.
>