18.8.27 Alarm n Mask - MODE2

Name: MASK
Offset: 0x1C
Reset: 0x00
Property: Write-Protected, Write-Synchronized

Bit 76543210 
      SEL[2:0] 
Access R/WR/WR/W 
Reset 000 

Bits 2:0 – SEL[2:0] Alarm Mask Selection

These bits define which bit groups of Alarm n are valid.

SEL[2:0]NameDescription
0x0OFFAlarm Disabled
0x1SSMatch seconds only
0x2MMSSMatch seconds and minutes only
0x3HHMMSSMatch seconds, minutes, and hours only
0x4DDHHMMSSMatch seconds, minutes, hours, and days only
0x5MMDDHHMMSSMatch seconds, minutes, hours, days, and months only
0x6YYMMDDHHMMSSMatch seconds, minutes, hours, days, months, and years
0x7Reserved