GigaDevice Semiconductor GD32E230C-EVAL - Adc; I2 S; I2 C; Figure 4-6 Schematic Diagram of ADC Function

User Guide
GD32E230C-EVAL
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4.6. ADC
Figure 4-6 Schematic diagram of ADC function
+3V3
GND
ADC
C1
50V/0.1uF
R1
1KΩ
PA2
VR1
10K
ADC_IN2
4.7. I2S
Figure 4-7 Schematic diagram of I2S function
PA7
I2S0_WS
I2S0_SD
I2S0_CK
I2S0_MCKPA6
PA5
PA4
I2S0
I2S0_MCK
I2S0_WS
I2S0_CK
I2S0_SD
C4
50V/0.1uF
GND
E2
16V/10uF,AVX
C43
50V/0.1uF
GND
E1
16V/10uF,AVX
GND
5
4
3
2
1
J1
HeadPhone
E3
16V/3.3uF,AVX
E4
16V/3.3uF,AVX
GND
R44
10KΩ
R43
10KΩ
GND
GND
R7
470Ω
R8
470Ω
SDIN
1
SCLK
2
LRCK
3
MCLK
4
VQ
5
FILT+
6
AOUTL
7
GND
8
AOUTR
10
VA
9
U2
CS4344
+3V3
4.8. I2C
Figure 4-8 Schematic diagram of I2C function
PB6
PB7
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U1
AT24C02C-SSHM-T
+3V3
GND
R5
4.7KΩ
R6
4.7KΩ
C3
50V/0.1uF
GND
I2C
I2C0-SCL
I2C0-SDA