Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Fiche De Données
![Atmel](https://files.manualsbrain.com/attachments/0369829915bda09f9c2e00fb805a7753579683b5/common/fit/150/50/8d2bf08978ec3e5bc63f4343ac5e91ce8d0e40045619fa520d910d64af8f/brand_logo.png)
Codes de produits
ATSAM4E-XPRO
383
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
19.5.3 Supply Controller Control Register
Name:
SUPC_CR
Address:
0x400E1810
Access:
Write-only
This register can only be written if the WPEN bit is cleared in the System Controller Write Protection Mode Register
(SYSC_MR).
(SYSC_MR).
VROFF: Voltage Regulator Off
0 (NO_EFFECT): No effect.
1 (STOP_VREG): If KEY is correct, asserts the vddcore_nreset and stops the voltage regulator.
Note: This bit is located in the VDDIO domain.
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.
Note: This bit is located in the VDDIO domain.
KEY: Password
31
30
29
28
27
26
25
24
KEY
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
XTALSEL
VROFF
–
–
Value
Name
Description
0xA5
PASSWD
Writing any other value in this field aborts the write operation.