Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
342
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
20.8.10 Configuration n
Name:
CONFIGn
Offset:
0x18+n*0x4 [n=0..2]
Reset:
0x00000000
Property:
Write-Protected
z
Bits 31, 27, 23, 19, 15, 11, 7 – FILTENx: Filter 0 Enable
0: Filter is disabled for EXTINT[n*8+x] input.
1: Filter is enabled for EXTINT[n*8+x] input.
0: Filter is disabled for EXTINT[n*8+x] input.
1: Filter is enabled for EXTINT[n*8+x] input.
z
Bits 30:28, 26:24, 22:20, 18:16, 14:12, 10:8, 6:4 – SENSEx: Input Sense 0 Configuration
These bits define on which edge or level the interrupt or event for EXTINT[n*8+x] will be generated.
These bits define on which edge or level the interrupt or event for EXTINT[n*8+x] will be generated.
Table 20-5. Input Sense 0 Configuration
Bit
31
30
29
28
27
26
25
24
FILTEN7
SENSE7[2:0]
FILTEN6
SENSE6[2:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
23
22
21
20
19
18
17
16
FILTEN5
SENSE5[2:0]
FILTEN4
SENSE4[2:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
FILTEN3
SENSE3[2:0]
FILTEN2
SENSE2[2:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
FILTEN1
SENSE1[2:0]
FILTEN0
SENSE0[2:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
SENSE0[2:0]
Name
Description
0x0
NONE
No detection
0x1
RISE
Rising-edge detection
0x2
FALL
Falling-edge detection
0x3
BOTH
Both-edges detection