ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 584

• 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

31.9.17
Name:
Address:
Access:
Reset:
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x535343 (“SSC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x535343 (“SSC” in ASCII).
Protects the registers:
• WPKEY: Write Protect KEY
Should be written at value 0x535343 (“SSC” in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
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•
•
•
•
•
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“SSC Clock Mode Register” on page 561
“SSC Receive Clock Mode Register” on page 562
“SSC Receive Frame Mode Register” on page 564
“SSC Transmit Clock Mode Register” on page 566
“SSC Transmit Frame Mode Register” on page 568
“SSC Receive Compare 0 Register” on page 574
“SSC Receive Compare 1 Register” on page 575
31
23
15
—
7
SAM3U Series
SAM3U Series
SSC Write Protect Mode Register
SSC_WPMR
0x400040E4
Read-write
See
Table 31-6
30
22
14
—
6
29
21
13
—
5
28
20
12
—
4
WPKEY
WPKEY
WPKEY
27
19
11
—
3
26
18
10
—
2
25
17
—
9
1
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
WPEN
24
16
8
0