25.9 Register Summary - Mode 2 - Clock/Calendar

This Register Description section is valid if the RTC is in Clock/Calendar mode (CTRLA.MODE=2).

Refer to the Registers Description section for more details on register properties and access permissions.


Offset	Name	Bit Pos.	7	6	5	4	3	2	1	0
0x00	CTRLA	15:8	CLOCKSYNC	GPTRST			PRESCALER[3:0]
0x00	CTRLA	7:0	MATCHCLR	CLKREP			MODE[1:0]		ENABLE	SWRST
0x02	CTRLB	15:8	SEPTO	ACTF[2:0]				DEBF[2:0]
0x02	CTRLB	7:0	DMAEN	RTCOUT	DEBASYNC	DEBMAJ				GP0EN
0x04	EVCTRL	31:24								PERDEO
		23:16								TAMPEVEI
		15:8	OVFEO	TAMPEREO						ALARMEO0
		7:0	PEREO7	PEREO6	PEREO5	PEREO4	PEREO3	PEREO2	PEREO1	PEREO0
0x08	INTENCLR	15:8	OVF	TAMPER						ALARM0
0x08	INTENCLR	7:0	PER7	PER6	PER5	PER4	PER3	PER2	PER1	PER0
0x0A	INTENSET	15:8	OVF	TAMPER						ALARM0
0x0A	INTENSET	7:0	PER7	PER6	PER5	PER4	PER3	PER2	PER1	PER0
0x0C	INTFLAG	15:8	OVF	TAMPER						ALARM0
0x0C	INTFLAG	7:0	PER7	PER6	PER5	PER4	PER3	PER2	PER1	PER0
0x0E	DBGCTRL	7:0								DBGRUN
0x0F	Reserved
0x10	SYNCBUSY	31:24
		23:16							GP1	GP0
		15:8	CLOCKSYNC				MASK0
		7:0			ALARM0		CLOCK	FREQCORR	ENABLE	SWRST
0x14	FREQCORR	7:0	SIGN	VALUE[6:0]
0x15 ... 0x17	Reserved
0x18	CLOCK	31:24	YEAR[5:0]						MONTH[3:2]
		23:16	MONTH[1:0]		DAY[4:0]					HOUR[4]
		15:8	HOUR[3:0]				MINUTE[5:2]
		7:0	MINUTE[1:0]		SECOND[5:0]
0x1C ... 0x1F	Reserved
0x20	ALARM0	31:24	YEAR[5:0]						MONTH[3:2]
		23:16	MONTH[1:0]		DAY[4:0]					HOUR[4]
		15:8	HOUR[3:0]				MINUTE[5:2]
		7:0	MINUTE[1:0]		SECOND[5:0]
0x24	MASK0	7:0						SEL[2:0]
0x25 ... 0x3F	Reserved
0x40	GP0	31:24	GP[31:24]
		23:16	GP[23:16]
		15:8	GP[15:8]
		7:0	GP[7:0]
0x44	GP1	31:24	GP[31:24]
		23:16	GP[23:16]
		15:8	GP[15:8]
		7:0	GP[7:0]
0x48 ... 0x5F	Reserved
0x60	TAMPCTRL	31:24	DEBNC7	DEBNC6	DEBNC5	DEBNC4	DEBNC3	DEBNC2	DEBNC1	DEBNC0
		23:16	TAMLVL7	TAMLVL6	TAMLVL5	TAMLVL4	TAMLVL3	TAMLVL2	TAMLVL1	TAMLVL0
		15:8	IN7ACT[1:0]		IN6ACT[1:0]		IN5ACT[1:0]		IN4ACT[1:0]
		7:0	IN3ACT[1:0]		IN2ACT[1:0]		IN1ACT[1:0]		IN0ACT[1:0]
0x64	TIMESTAMP	31:24	YEAR[5:0]						MONTH[3:2]
		23:16	MONTH[1:0]		DAY[4:0]					HOUR[4]
		15:8	HOUR[3:0]				MINUTE[5:2]
		7:0	MINUTE[1:0]		SECOND[5:0]
0x68	TAMPID	31:24	TAMPEVT
		23:16
		15:8
		7:0	TAMPID7	TAMPID6	TAMPID5	TAMPID4	TAMPID3	TAMPID2	TAMPID1	TAMPID0
0x6C	TAMPCTRLB	31:24
		23:16
		15:8
		7:0	ALSI7	ALSI6	ALSI5	ALSI4	ALSI3	ALSI2	ALSI1	ALSI0