Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
157
42023E–SAM–07/2013
ATSAM4L8/L4/L2
11.6.12
Input Output Retention Register
Name: IORET
Access Type:
Read/Write
Offset: 0x0034
Reset Value:
0x00000000
• RET: Retention on I/O lines after waking up from the BACKUP mode
0: I/O lines are not held after waking up from the BACKUP mode.
1: I/O lines are held after waking up from the BACKUP mode, until RET is written to 0.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
-
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
RET