User Manual
GD32103E-EVAL
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4.11 USB
Figure 11. Schematic diagram of USB function
GND
R58
22R
R59
22R
PA11
PA12
R62
1M
Ω
C49
50V/4700pF
USB_DM
USB_DP
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
USB
_
MiniAB receptacle
CN2
Mini_USB
+U5V
R61
1.5K
Ω
PG8
R56
0R
4.12 CAN
Figure 12. Schematic diagram of CAN function
D
1
GND
2
VCC
3
R
4
Vref
5
CANL
6
CANH
7
RS
8
U6
SN65HVD230
CAN1H
CAN1L
R22
0
Ω
GND
R23
120
Ω
1
2
JP14
HEADER 2
CAN1_TX
CAN1_RX
PD1
PD0
GND
+3V3
C33
50V/0.1uF
GND
CAN
1
2
3
P2
MHDR1X3
1
2
3
P3
MHDR1X3
CAN1_TX
CAN1_RX
Short P2(1,2) for EXMC function
EXMC_D2
EXMC_D3
Short P2(2,3) for CAN1 function
Short P3(1,2) for EXMC function
Short P3(2,3) for CAN1 function
4.13 RTC
Figure 13. Schematic diagram of RTC function
1
2
3
JP0
Vbat select
VBAT
1
2
BT1
Battety
GND
+3V3
