SAM3N0C Atmel Corporation, SAM3N0C Datasheet - Page 266

• Manufacturer Part Number: SAM3N0C
• Manufacturer: Atmel Corporation

16.5.3
Name:
Address:
Access:
• VROFF: Voltage Regulator Off
0 (NO_EFFECT) = no effect.
1 (STOP_VREG) = if KEY is correct, asserts vddcore_nreset and stops the voltage regulator.
• XTALSEL: Crystal Oscillator Select
0 (NO_EFFECT) = no effect.
1 (CRYSTAL_SEL) = if KEY is correct, switches the slow clock on the crystal oscillator output.
• KEY: Password
Should be written to value 0xA5. Writing any other value in this field aborts the write operation.
266
266
31
23
15
–
–
7
–
SAM3N
SAM3N
Supply Controller Control Register
30
22
14
0x400E1410
–
–
6
–
SUPC_CR
Write-only
29
21
13
–
–
5
–
28
20
12
–
–
4
–
KEY
XTALSEL
27
19
11
–
–
3
VROFF
26
18
10
–
–
2
25
17
–
9
1
–
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
24
16
–
8
–
0
–