User Guide
GD32150G-START
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4.4.
KEY
Figure 4-4 Schematic diagram of Key function
PA0
R1
10K
Ω
+3V3
GND
C1
50V/0.1uF
KEY
K1
K-1102B
4.5.
USB
Figure 4-5 Schematic diagram of USB function
+U5V
C10
50V/0.1uF
R10
1M
Ω
C12
50V/4700pF
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
U
SB
_
Mi
ni
A
B
re
cep
tac
le
CN1
Mini_USB
R11 22
Ω
R12 22
Ω
R13 1.5K
Ω
PA11
PA12
PA15