Datasheet

27.6.4 RTC Calendar Register
Name: RTC_CALR
Offset: 0x0C
Reset: 0x01E11320
Property: Read/Write
Bit 31 30 29 28 27 26 25 24
DATE[5:0]
Access
R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 1
Bit 23 22 21 20 19 18 17 16
DAY[2:0] MONTH[4:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 1 1 1 0 0 0 0 1
Bit 15 14 13 12 11 10 9 8
YEAR[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 1 0 0 1 1
Bit 7 6 5 4 3 2 1 0
CENT[6:0]
Access
R/W R/W R/W R/W R/W R/W R/W
Reset 0 1 0 0 0 0 0
Bits 29:24 – DATE[5:0] Current Day in Current Month
The range that can be set is 01–31 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
Bits 23:21 – DA
Y[2:0] Current Day in Current Week
The range that can be set is 1–7 (BCD).
The coding of the number (which number represents which day) is user-defined as it has no effect on the date
counter.
Bits 20:16 – MONTH[4:0] Current Month
The range that can be set is 01–12 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
Bits 15:8 – YEAR[7:0] Current Year
The range that can be set is 00–99 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
Bits 6:0 – CENT[6:0] Current Century
The range that can be set is 19–20 (Gregorian) or 13–14 (Persian) (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
SAM E70/S70/V70/V71 Family
Real-time Clock (RTC)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 219