NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 184 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
[12:7]
IN_DV
Reference Input Divider
Set the reference divider factor (M) from 1 to 64.
The M = IN_DV[5:0] + 1.
[6:0]
FB_DV
PLL VCO Output Clock Feedback Divider Integer Part
Set the feedback divider factor (N) from 1 to 128.
The N = FB_DV[6:0] + 1.
The formula to calculate the PLL output frequency shown below:
N
F
pfd
Range
1
11
0
F
pfd
80
2
7
0
F
pfd
80
3
5
0
F
pfd
80
4
4
0
F
pfd
80
5
3
5
F
pfd
80
6
3
0
F
pfd
80
7 ~ 8
2
5
F
pfd
80
9 ~ 10
3
5
F
pfd
80
11 ~ 40
3
0
F
pfd
80
41 ~ 128
2
5
F
pfd
80
