AT32UC3L064-D3HES ATMEL [ATMEL Corporation], AT32UC3L064-D3HES Datasheet - Page 212

• Manufacturer Part Number: AT32UC3L064-D3HES
• Manufacturer: ATMEL [ATMEL Corporation]

14.6.7
Name:
Access Type:
Offset:
Reset Value:
•
•
32099D–06/2010
KEY: Unlock Key
ADDR: Unlock Address
31
23
15
7
-
-
To unlock a write protected register, first write to the UNLOCK register with the address of the register to unlock in the ADDR
field and 0xAA in the KEY field. Then, in the next PB access write to the register specified in the ADDR field.
Write this bit field to 0xAA to enable unlock.
Write the address of the register to unlock to this field.
Unlock Register
30
22
14
6
-
-
UNLOCK
Write-only
0x0018
0x00000000
29
21
13
5
-
-
28
20
12
4
-
-
ADDR[7:0]
KEY
27
19
11
3
-
-
26
18
10
2
-
-
AT32UC3L016/32/64
25
17
9
1
-
ADDR[9:8]
24
16
8
0
-
212