Datasheet

21.11 Register Summary - Mode 2 - Clock/Calendar
Offset Name Bit Pos.
0x00 CTRLA
7:0 MATCHCLR CLKREP MODE[1:0] ENABLE SWRST
15:8 CLOCKSYNC GPTRST BKTRST PRESCALER[3:0]
0x02 CTRLB
7:0 DMAEN RTCOUT DEBASYNC DEBMAJ GP2EN GP0EN
15:8 ACTF[2:0] DEBF[2:0]
0x04 EVCTRL
7:0 PEREO7 PEREO6 PEREO5 PEREO4 PEREO3 PEREO2 PEREO1 PEREO0
15:8 OVFEO TAMPEREO ALARMEO1 ALARMEO0
23:16 TAMPEVEI
31:24
0x08 INTENCLR
7:0 PER7 PER6 PER5 PER4 PER3 PER2 PER1 PER0
15:8 OVF TAMPER ALARM1 ALARM0
0x0A INTENSET
7:0 PER7 PER6 PER5 PER4 PER3 PER2 PER1 PER0
15:8 OVF TAMPER ALARM1 ALARM0
0x0C INTFLAG
7:0 PER7 PER6 PER5 PER4 PER3 PER2 PER1 PER0
15:8 OVF TAMPER ALARM1 ALARM0
0x0E DBGCTRL 7:0 DBGRUN
0x0F Reserved
0x10 SYNCBUSY
7:0 ALARM1 ALARM0 CLOCK FREQCORR ENABLE SWRST
15:8 CLOCKSYNC MASK1 MASK0
23:16 GP3 GP2 GP1 GP0
31:24
0x14 FREQCORR 7:0 SIGN VALUE[6:0]
0x15
...
0x17
Reserved
0x18 CLOCK
7:0 MINUTE[1:0] SECOND[5:0]
15:8 HOUR[3:0] MINUTE[5:2]
23:16 MONTH[1:0] DAY[4:0] HOUR[4:4]
31:24 YEAR[5:0] MONTH[3:2]
0x1C
...
0x1F
Reserved
0x20 ALARM0
7:0 MINUTE[1:0] SECOND[5:0]
15:8 HOUR[3:0] MINUTE[5:2]
23:16 MONTH[1:0] DAY[4:0] HOUR[4:4]
31:24 YEAR[5:0] MONTH[3:2]
0x24 MASK0 7:0 SEL[2:0]
0x25
...
0x27
Reserved
0x28 ALARM1
7:0 MINUTE[1:0] SECOND[5:0]
15:8 HOUR[3:0] MINUTE[5:2]
23:16 MONTH[1:0] DAY[4:0] HOUR[4:4]
31:24 YEAR[5:0] MONTH[3:2]
SAM D5x/E5x Family Data Sheet
RTC – Real-Time Counter
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 348