SAM3U_14 Datasheet, PDF (590/1187 Pages) ATMEL Corporation – From 64 to 256 Kbytes embedded Flash

31.9.17 SSC Write Protect Mode Register
Name:
SSC_WPMR
Address: 0x400040E4
Access: Read-write
Reset:
See Table 31-6
31
30
29
28
27
26
25
24
WPKEY
23
22
21
20
19
18
17
16
WPKEY
15
14
13
12
11
10
9
8
WPKEY
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
WPEN
• 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:
• “SSC Clock Mode Register” on page 567
• “SSC Receive Clock Mode Register” on page 568
• “SSC Receive Frame Mode Register” on page 570
• “SSC Transmit Clock Mode Register” on page 572
• “SSC Transmit Frame Mode Register” on page 574
• “SSC Receive Compare 0 Register” on page 580
• “SSC Receive Compare 1 Register” on page 581
• 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.
590 SAM3U Series
6430F–ATARM–21-Feb-12