User Manual
GD32150R-EVAL
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4.9
I2S
Figure 9. Schematic diagram of I2S function
LRCK
1
DATA
2
BCK
3
PD
4
AGND
5
HGND
6
Vcom
7
HoutR
8
SCKI
16
HoutL
9
AIN
10
Vhp
11
VCC
12
MD
13
MC
14
MS
15
U2
PCM1770 PM
NRST
GND
+3V3
E2
16V/10uF,AVX
5
4
3
2
1
J1
HeadPhone
E3
10V/220uF,AVX
E4
10V/220uF,AVX
R7
16R
R8
16R
C5
50V/0.22uF
C6
50V/0.22uF
GND
C4
50V/0.1uF
E1
16V/10uF,AVX
GND
GND
PA4
PA7
PA5
PA6
PA15
I2S
I2S_WS
I2S_DIN
I2S_CK
I2S_MCK
MSEL
MCLK
MDIN
I2S_MCLK
I2S_MDIN
4.10 I2C
Figure 10. 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
4.7K
Ω
R6
4.7K
Ω
I2C
C3
50V/0.1uF
GND