User Guide
GD32130F-START
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4.
Hardware layout overview
4.1.
Power supply
Figure 4-1 Schematic diagram of power supply
G
1
Vout
2
Vin
3
4
U2
LM1117-3.3
E1
16V/10uF,AVX
E2
16V/10uF,AVX
GND
C11
50V/0.1uF
+3V3
LED3
LED0603
R9
470
Ω
1
TP1
TP +3V3
+U5V
P1
SMD1210P005TF
4.2.
Boot option
Figure 4-2 Schematic diagram of boot option
R7
10K
Ω
1
2
3
JP4
BOOT0
GND
BOOT0
+3V3
Table 4-1 Boot configuration
BOOT1
BOOT0
Boot Mode
Default
2-3
User memory
1-2
System memory
Changed by ISP
1-2
SRAM memory
4.3.
LED
Figure 4-3 Schematic diagram of LED function
PA1
LED1
LED0603
LED
R2
680
Ω
GND
PA2
LED2
LED0603
R3
680
Ω
GND
