Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet

Product codes
ATSAM4S-EK2
Page of 1125
 430
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
26.15.7 SMC OCMS Key2 Register
Name:
 SMC_KEY2
Address:
0x400E0088
Access:
 Write Once
Reset:
 0x00000000
• KEY2: Off Chip Memory Scrambling (OCMS) Key Part 2
When Off Chip Memory Scrambling is enabled setting the SMC_OCMS and SMC_TIMINGS registers in accordance, the data 
scrambling depends on KEY2 and KEY1 values.
31
30
29
28
27
26
25
24
KEY2
23
22
21
20
19
18
17
16
KEY2
15
14
13
12
11
10
9
8
KEY2
7
6
5
4
3
2
1
0
KEY2