Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
245
42023E–SAM–07/2013
ATSAM4L8/L4/L2
13.7.22
Fractional Prescaler Control Register
Name: FPCR
Access Type:
Read/Write
Reset Value:
0x00000000
• CKSEL: Clock input selection
This field selects the Clock input for the prescaler. See the “FP clock sources” table in the SCIF Module Configuration section for
details. It must not be changed if the FPEN is one.
• FPEN: High Resolution Prescaler Enable
0: The Fractional Prescaler is disabled.
1: The Fractional Prescaler is enabled.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
-
7
6
5
4
3
2
1
0
-
-
-
-
CKSEL
FPEN