Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
1376
44.7.12 DACC Write Protect Mode Register
Name: DACC_WPMR
Address: 0x400C80E4
Access: Read-write
• WPEN: Write Protect Enable
0: Disables the Write Protect if WPKEY corresponds to 0x444143 (“DAC” in ASCII).
1: Enables the Write Protect if WPKEY corresponds to 0x444143 (“DAC” in ASCII).
The protected registers are:
DACC Mode Register
DACC Channel Enable Register
DACC Channel Disable Register
DACC Analog Current Register
• WPKEY: Write Protect KEY
This security code is needed to set/reset the WPROT bit value (see Section ”” for details).
Must be filled with “DAC” ASCII code.
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