Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
1027
42023E–SAM–07/2013
ATSAM4L8/L4/L2
38.7.15
Calibration Register
Name:
CALIB
Access Type:
Read/Write
Offset:
0x3C
Reset Value:
0x00000000
•
FCD: Flash Calibration Done
Set to one when CALIB and BIASCAL have been updated by the flash fuses after a reset.
1: The flash calibration will be redone after any reset
0: The flash calibration will only be redone after a power-on reset
•
BIASCAL: Bias calibration
•
BIASSEL: Select bias mode
1: Select bandgap bias
0: Select mixed bias
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
FCD
15
14
13
12
11
10
9
8
BIASCAL
-
-
-
BIASSEL
7
6
5
4
3
2
1
0
CALIB
BIASCAL
Ptat current
Bgap current
Total current
0000
3.0
1.1
4.1
0001
3.0+0.75
1.1
4.85
0010
Default setting
3.0+1.5
1.1
5.6
0011
3.0+1.5+0.75
1.1
6.35
0100
3.0
1.1+1.1
5.2
0101
3.0+0.75
1.1+1.1
5.95
0110
3.0+1.5
1.1+1.1
6.7
0111
3.0+1.5+0.7
1.1+1.1
7.45
10XX
Pure bandgap bias
0
5.5
5.5
11XX
0
5.5+1.1
6.6