C8051F99X_10 Datasheet, PDF (199/322 Pages) Silicon Laboratories – Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

C8051F99x-C8051F98x
SFR Definition 20.1. RTC0KEY: SmaRTClock Lock and Key
Bit
7
6
5
4
3
2
1
0
Name
RTC0ST[7:0]
Type
R/W
Reset
0
0
0
0
0
0
0
0
SFR Page = 0x0; SFR Address = 0xAE
Bit Name
7:0 RTC0ST SmaRTClock Interface Status.
Provides lock status when read.
Function
Read:
0x02: SmaRTClock Interface is unlocked.
Write:
Writes to RTC0KEY have no effect.
Rev. 1.0
199