SAM4L Datasheet, PDF (974/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

37.9.1 Control Register
Name:
CTRL
Access Type:
Read/Write
Offset:
0x00
Reset Value:
0x00000000
31
30
29
28
27
26
-
-
-
-
-
-
23
22
21
20
19
18
-
-
-
-
-
-
15
14
13
12
11
10
-
-
-
-
-
-
7
6
5
4
3
2
ACTEST
-
ESTART
USTART
-
-
• ACTEST: Analog Comparator Test Mode
0: The Analog Comparator outputs are connected to the logic in ACIFC.
1: The Analog Comparator outputs are bypassed with the AC Test Register.
• ESTART: Peripheral Event Start Single Comparison
Writing a zero to this bit has no effect.
Writing a one to this bit starts a comparison and can be used for test purposes.
This bit is cleared when comparison is done.
This bit is set when an enabled peripheral event is received.
• USTART: User Start Single Comparison
Writing a zero to this bit has no effect.
Writing a one to this bit starts a single comparison.
This bit is cleared when comparison is done.
• EVENTEN: Peripheral Event Trigger Enable
0: A peripheral event will not trigger a comparison.
1: Enable comparison triggered by a peripheral event.
• EN: ACIFC Enable
0: The ACIFC is disabled.
1: The ACIFC is enabled.
ATSAM4L4/L2
25
24
-
-
17
16
-
-
9
8
-
-
1
0
EVENTEN
EN
42023C–SAM–02/2013
974