AT32UC3C2512C Automotive Atmel Corporation, AT32UC3C2512C Automotive Datasheet - Page 67

• Manufacturer Part Number: AT32UC3C2512C Automotive
• Manufacturer: Atmel Corporation

7.7.8
Name:
Access Type:
Offset:
Reset Value:
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.
•
•
9166C–AVR-08/11
KEY: Unlock Key
ADDR: Unlock Address
31
23
15
7
-
-
• Write this bit field to 0xAA to enable unlock.
• Write the address of the register to unlock to this bit field.
PM Unlock Register
30
22
14
6
-
-
UNLOCK
Write-Only
0x0058
-
29
21
13
5
-
-
28
20
12
4
-
-
ADDR[7:0]
KEY
27
19
11
3
-
-
26
18
10
2
-
-
25
17
9
1
-
ADDR[9:8]
AT32UC3C
24
16
8
0
-
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