Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
260
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
18.8.27 Alarm n Mask - MODE2
Name:
MASK
Offset:
0x1C
Reset:
0x00
Property:
Write-Protected, Write-Synchronized
z
Bits 7:3 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z
Bits 2:0 – SEL[2:0]: Alarm Mask Selection
These bits define which bit groups of Alarm n are valid.
These bits define which bit groups of Alarm n are valid.
Table 18-11. Alarm Mask Selection
Bit
7
6
5
4
3
2
1
0
SEL[2:0]
Access
R
R
R
R
R
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
SEL[2:0]
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