User Manual
GD32150R-EVAL
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4
Hardware layout overview
4.1
Power supply
Figure 1 Schematic diagram of power supply
G
1
Vout
2
Vin
3
4
U4
LM1117-3.3
E5
16V/10uF,AVX
E6
16V/10uF,AVX
GND
C20
50V/0.1uF
C21
50V/0.1uF
+3V3
LED6
LED0603
R32
470
Ω
1
TP3
TP +3V3
+U5V
P1
SMD1210P005TF
R36
0
Ω
GND
VDDA
VSSA
C23
50V/0.1uF
+3V3
L1
EBLS1608-3R3K
PA12
PA11
PC2
+5V
+U5V
R37 1M
Ω
C22
50V/4700pF
R33
22
Ω
R34
22
Ω
R35
1.5K
Ω
VBUS
1
DM
2
DP
3
ID
4
GND
5
shield
6
CN1
Mini-USB
4.2
Boot option
Figure 2. Schematic diagram of boot option
R18
10K
Ω
1
2
3
JP4
BOOT0
GND
BOOT0
+3V3
BOOT1
BOOT0
Boot Mode
Default
2-3
User memory
1-2
System memory
Changed by ISP
1-2
SRAM memory