ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 438

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.18.25 SMC Write Protection Control
Name:
Address:
Access:
• WP_EN: Write Protection Enable
0: Disables the Write Protection if WP_KEY corresponds.
1: Enables the Write Protection if WP_KEY corresponds.
• WP_KEY: Write Protection KEY password
Should be written at value 0x534D43 (ASCII code for “SMC”). Writing any other value in this field has no effect.
438
438
31
23
15
7
SAM3U Series
SAM3U Series
SMC_WPCR
0x400E01E4
Write-only
30
22
14
6
29
21
13
5
28
20
12
4
WP_KEY
WP_KEY
WP_KEY
27
19
11
3
26
18
10
2
25
17
9
1
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
WP_EN
24
16
8
0