SAM D21/DA1 Family

21.8.10 Configuration n

Name:	CONFIGn
Offset:	0x18 + n*0x04 [n=0..1]
Reset:	0x00000000
Property:	Write-Protected


Bit	31	30	29	28	27	26	25	24
	FILTEN7	SENSE7[2:0]			FILTEN6	SENSE6[2:0]
Access	RW	RW	RW	RW	RW	RW	RW	RW
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	RW	RW	RW	RW	RW	RW	RW	RW
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	RW	RW	RW	RW	RW	RW	RW	RW
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	RW	RW	RW	RW	RW	RW	RW	RW
Reset	0	0	0	0	0	0	0	0

Bits 3, 7, 11, 15, 19, 23, 27, 31 – FILTENx Filter x Enable [x=7..0]


0:	Filter is disabled for EXTINT[n*8+x] input.
1:	Filter is enabled for EXTINT[n*8+x] input.

Bits 0:2, 4:6, 8:10, 12:14, 16:18, 20:22, 24:26, 28:30 – SENSEx Input Sense x Configuration [x=7..0]


SENSEx[2:0]	Name	Description
0x0	NONE	No detection
0x1	RISE	Rising-edge detection
0x2	FALL	Falling-edge detection
0x3	BOTH	Both-edges detection
0x4	HIGH	High-level detection
0x5	LOW	Low-level detection
0x6-0x7		Reserved

Note:

FILTEN7-FILTEN0 bits and SENSE7[2:0]-SENSE0[2:0] bitfields in CONFIG0 register belong to External Interrupt 7 to 0.
FILTEN7-FILTEN0 bits and SENSE7[2:0]-SENSE0[2:0] bitfields in CONFIG1 register belong to External Interrupt 15 to 8.

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