Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet

1367

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

AFEC_EMR

0x400B0008 (0), 0x400B4008 (1)

Read/Write  

This register can only be written if the WPEN bit is cleared in the 





If CMPALL = 0: CMPSEL indicates which channel has to be compared.

If CMPALL = 1: No effect.



0: Only channel indicated in CMPSEL field is compared.

1: All channels are compared.



Number of consecutive compare events necessary to raise the flag = CMPFILTER+1

When programmed to ‘0’, the flag rises as soon as an event occurs.



31

30

29

28

27

26

25

24

–

–

SIGNMODE

–

–

STM

TAG

23

22

21

20

19

18

17

16

–

–

AFEMODE

–

RES

15

14

13

12

11

10

9

8

–

–

CMPFILTER

–

–

CMPALL

–

7

6

5

4

3

2

1

0

CMPSEL

–

CMPMODE

0

LOW

Generates an event when the converted data is lower than the low threshold of the window.

1

HIGH

Generates an event when the converted data is higher than the high threshold of the window.

2

IN

Generates an event when the converted data is in the comparison window.

3

OUT

Generates an event when the converted data is out of the comparison window.

0

NO_AVERAGE

12-bit resolution, AFEC sample rate is maximum (no averaging).

1

LOW_RES

10-bit resolution, AFEC sample rate is maximum (no averaging).

2

OSR4

13-bit resolution, AFEC sample rate divided by 4 (averaging).