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32133D–11/2011
UC3D
13.6.11
Bandgap Calibration Register
Name:
BGCR
Access Type:
Read/Write
Offset:
0x002C
Reset Value:
0x00000000
SFV: Store Final Value
0: The register is read/write
1: The register is read-only, to protect against further accidental writes.
FCD: Flash Calibration Done
Set to 1 when the CALIB field has been updated by the Flash fuses after power-on reset or when the Flash fuses are
reprogrammed. The CALIB field will not be updated again by the Flash fuses until a new power-on reset or the FCD field is
written to zero.
CALIB: Calibration value
Calibration value for Bandgap. See Electrical Characteristics for voltage values.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Please
refer to the UNLOCK register description for details.
31
30
29
28
27
26
25
24
SFV
-------
23
22
21
20
19
18
17
16
-------
FCD
15
14
13
12
11
10
9
8
--------
7654321
0
-----
CALIB