ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 405

• 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

23.15.8
Register Name:
Access Type:
Reset Value:
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x534D43 (“SMC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x534D43 (“SMC” in ASCII).
Protects the registers listed below:
• WPKEY: Write Protect KEY
Should be written at value 0x534D43 (“SMC” in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
6500C–ATARM–8-Feb-11
•
•
•
•
Section 23.15.1 ”SMC Setup Register”
Section 23.15.2 ”SMC Pulse Register”
Section 23.15.3 ”SMC Cycle Register”
Section 23.15.4 ”SMC MODE Register”
31
23
15
—
7
SMC Write Protect Mode Register
30
22
14
—
Read-write
See
6
SMC_WPMR
Table 23-7
29
21
13
—
5
28
20
12
—
4
WPKEY
WPKEY
WPKEY
27
19
11
—
3
26
18
10
—
2
SAM3S Preliminary
25
17
—
9
1
WPEN
24
16
8
0
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