at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 65

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

9.6.14
Name:
Access Type:
Offset:
Reset Value:
•
•
•
32059J–12/2010
KEY: Register Write protection
CALIB: Calibration Value
FCD: Flash Calibration Done
31
23
15
7
-
-
This field must be written twice, first with key value 0x55, then 0xAA, for a write operation to have an effect.
Calibration Value for the RC oscillator.
Set to 1 when the CALIB field has been updated by the Flash fuses after power-on reset or Flash fuses update.
0: Allow subsequent overwriting of the CALIB value by Flash fuses.
1: The CALIB value will not be updated again by Flash fuses.
RC Oscillator Calibration Register
30
22
14
RCCR
Read/Write
0x0C0
-
6
-
-
29
21
13
5
-
-
28
20
12
4
-
-
CALIB[7:0]
KEY
27
19
11
3
-
-
26
18
10
2
-
-
25
17
9
1
-
AT32UC3B
CALIB[9:8]
FCD
24
16
8
0
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