Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
884
37.6.10 UART Write Protection Mode Register
Name: UART_WPMR
Address: 0x400E06E4 (0), 0x400606E4 (1)
Access: Read/Write
 WPEN: Write Protection Enable
0: Disables the write protection if WPKEY corresponds to 0x554152 (UART in ASCII).
1: Enables the write protection if WPKEY corresponds to 0x554152 (UART in ASCII).
See Section 37.5.5 “Register Write Protection” for the list of registers that can be protected.
 WPKEY: Write Protection Key
31 302928 27 26 25 24
WPKEY
23 22 21 20 19 18 17 16
WPKEY
15 14 13 12 11 10 9 8
WPKEY
76543 210
–––––––WPEN
Value Name Description
0x554152 PASSWD
Writing any other value in this field aborts the write operation.
Always reads as 0.