Alarm Mask in Clock/Calendar mode (CTRLA.MODE=2)
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
SEL[2:0] | |||||||||
Access | R/W | R/W | R/W | ||||||
Reset | 0 | 0 | 0 |
Alarm Mask Selection
These bits define which bit groups of ALARM are valid.
Value | Name | Description |
---|---|---|
0x0 | OFF | Alarm Disabled |
0x1 | SS | Match seconds only |
0x2 | MMSS | Match seconds and minutes only |
0x3 | HHMMSS | Match seconds, minutes, and hours only |
0x4 | DDHHMMSS | Match seconds, minutes, hours, and days only |
0x5 | MMDDHHMMSS | Match seconds, minutes, hours, days, and months only |
0x6 | YYMMDDHHMMSS | Match seconds, minutes, hours, days, months, and years |
0x7 | - | Reserved |