Datasheet

472
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
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
76543210
KEY2