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User Manual
GD32150R-EVAL
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4.13 TFCARD-I2S-Select
Figure 13. Schematic diagram of TFCARD-I2S-Select function
1
2
3
JP10
HEADER 3
1
2
3
JP11
HEADER 3
PB3
PB5
SD/LCD_SPI_CLK
SD/LCD_SPI_MOSI
I2S_MCLK
I2S_MDIN
4.14 USB
Figure 14. Schematic diagram of USB function
PA12
PA11
PC2
+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
4.15 COMPARATOR
Figure 15. Schematic diagram of RTC function
1
2
3
JP0
Vbat select
VBAT
1
2
BT1
Battety
GND
+3V3