![Nuvoton NuMicro NuMaker-HMI-N9H20 Скачать руководство пользователя страница 36](http://html1.mh-extra.com/html/nuvoton/numicro-numaker-hmi-n9h20/numicro-numaker-hmi-n9h20_user-manual_1720366036.webp)
NuMaker-HMI-N9H20
Mar. 15, 2022
Page
36
of 42
Rev 1.00
NUMA
K
E
R
-HMI
-N
9H20
US
E
R M
A
NU
A
L
Ma
k
er Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
3.7
NuMaker-N9H20 Headphone Circuit
Figure 3-7 shows the NuMaker-N9H20 headphone circuit.
Figure 3-7 NuMaker-N9H20 Headphone Circuit
R52
10
VS
+
C10
10u
1
Headphone
+
C11
10u
8
DAC1
DAC0
VS
L11
FB
For HP detect
R51
10
VS
L/RIN SEL (S12, S13)
1/2: Fm N9H20Kx
2/3: Fm NAV8822
PJK-691
HP DET(S14):
1/2: GPE0
2/3: GPD3
CON9
PJK-634M
6
7
3
4
5
1
2
VD33
7
S14
HP_DET
1
2
3
E4
ESD7371
6
1
VS
5
E5
ESD7371
CV1
0.01u
R54
1K
4
HP_DET0
L13
FB
AIN
R53
100K
VS
3
VD33
L12
FB
2
E6
ESD7371
HP_DET1
1
VS
1
ROUT
LOUT