NuMicro® NUC029LEE/NUC029SEE
32-bit Arm
®
Cortex
®
-M0 Microcontroller
Aug, 2018
Page
118
of
497
Rev 1.00
N
U
MICRO
®
N
UC02
9L
E
E
/N
UC029
S
E
E
T
E
CHN
ICA
L R
E
F
E
R
E
NC
E
M
A
NU
A
L
0000
0001
1110
1111
:
:
16 to 1
MUX
1/2
1/2
2
1/2
3
1/2
15
1/2
16
…...
FSEL
(FRQDIV[3:0])
FRQDIV_CLK
16 chained
divide-by-2 counter
DIVIDER_EN
(FRQDIV[4])
Enable
divide-by-2 counter
0
1
DIVIDER1
(FRQDIV[5])
CLKO
0
1
CLKO_1HZ_EN
(FRQDIV[6])
/32768
1Hz clock from RTC
0
1
RTC_SEL_10K
(CLKSEL2[18])
32.768 kHz
10 kHz
Figure 6.3-6 Frequency Divider Block Diagram