ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 280

• Manufacturer Part Number: ATSAM3S-EK
• Description: KIT EVAL FOR ATSAM3S4C
• Manufacturer: Atmel
• Series: SAM3Sr
• Type: MCUr

Specifications of ATSAM3S-EK

• Contents: Board, Cables, Power Supply
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex-M3
• Kit Contents: Board
• Features: TFT Colour LCD Display, SD/MMC Interface
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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.
280
31
23
15
–
–
7
–
SAM3S Preliminary
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
–
6500C–ATARM–8-Feb-11
24
16
–
8
–
0
–