Datasheet

SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
660
32.9.17 SSC Write Protect Mode Register
Name: SSC_WPMR
Address: 0x400040E4
Access: Read-write
Reset: See Table 32-5
• 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 637
• “SSC Receive Clock Mode Register” on page 638
• “SSC Receive Frame Mode Register” on page 640
• “SSC Transmit Clock Mode Register” on page 642
• “SSC Transmit Frame Mode Register” on page 644
• “SSC Receive Compare 0 Register” on page 650
• “SSC Receive Compare 1 Register” on page 651
• WPKEY: Write Protect KEY
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
76543210
–––––––WPEN
Value Name Description
0x535343 PASSWD
Writing any other value in this field aborts the write operation of the WPEN bit.
Always reads as 0.