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1
10.3 BT UNIT
A
B
C
BOOTS
R38
GND
NM
C37
D
E
F
C
36
1
2
NC
1
24
NC
2
23
MIC_BIAS
VSS
3
22
MIC1P
BT18ON
4
21
MIC1N
BT1.8V
5
20
BT1.8V
6
19
RESET
7
18
0
BT3.3V
8
17
DBG_Tx
9
16
DBG_Rx
10
15
11
14
12
13
GND
CN21
CKS6346-A
BT MODULE
MVH-350BT/XMEW5
2
3
BT1.8V
IC21
1
6
VOUT
VIN
2
5
VSS1
VSS2
3
4
ON/OFF
NC
S-1172B18-E6
GND
NM
R32
R33
NM
R34
NM
3
4
C34
1u/10
C35
NM
3.3V
BT3.3V
GN
GND
4
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