Datasheet

951
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
43.9.17 SSC Write Protect Mode Register
Name: SSC_WPMR
Address: 0xF00100E4
Access: Read-write
Reset: See Table 43-5
• 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”
 “SSC Receive Clock Mode Register”
 “SSC Receive Frame Mode Register”
 “SSC Transmit Clock Mode Register”
 “SSC Transmit Frame Mode Register”
 “SSC Receive Compare 0 Register”
 “SSC Receive Compare 1 Register”
• 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.