GigaDevice Semiconductor GD32450Z-EVAL - I2 S Audio Interface Schematic; I2 C Interface Schematic

User Guide
GD32450Z-EVAL
13
4.8. I2S
Figure 4-8 Schematic diagram of I2S function
I2S
I2S1_MCK
I2S1_WS
I2S1_CK
I2S1_SD
C62
50V/0.1uF
GND
E8
16V/10uF,AVX
C63
50V/0.1uF
GND
E9
16V/10uF,AVX
GND
5
4
3
2
1
J2
HeadPhone
E6
16V/3.3uF,AVX
E7
16V/3.3uF,AVX
GND
R57
10KΩ
R54
10KΩ
GND
GND
R55
470Ω
R56
470Ω
SDIN
1
SCLK
2
LRCK
3
MCLK
4
VQ
5
FILT+
6
AOUTL
7
GND
8
AOUTR
10
VA
9
U10
CS4344
+3V3PC1
PC7
PB9
PC6
4.9. I2C
Figure 4-9 Schematic diagram of I2C function
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U4
AT24C02C-SSHM-T
+3V3
GND
R8
4.7KΩ
R9
4.7KΩ
I2C0_SCL
I2C0_SDA
I2C
C27
50V/0.1uF
GND
PB7
PB6