1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2019/ 1 2 / 3 0 Sheet of
File: E:\Work\..\ESP32-Au d i o _ V 1 .5.SchD oc Drawn By:
P18
P19
P2
VCC_3V3
P1
GND
P7
P11
P12
P13
MIC1N
MIC1P
MIC2P
MIC2N
P14
P15
MBIAS
SPKR+
SPKR-
SPKL+
SPKL-
P8
P9
P10
LINEINR
LINEINL
P16
P17
U_ESP32 -Au d i o _ V 1 .3
ESP32-Audi o _ V 1 .3_A udi o.SchD oc
U_ESP32-Audio_ V 1 .3
ESP32-Audi o _ V 1 .3_WiFi.SchDoc
P3
P4
P5
P6
EN
U0RXD
U0TXD
IO0
P26
P27
P22
P23
P24
P25
IO14
IO13
IO15
IO2
P28
P29
P30
P31
P32
P33
P34
P35
P36
IO4
IO5
IO18
IO23
IO19
IO22
IO21SPORN
SPORP
SPOLN
SPOLP
D1
PESD5V0S1BB
P20
P21
HPOUTL
HPOUTR
P37
P38
GND
IO12
HBIAS
I2S_MCLK
IO34
GND
GND
SENSOR_VP
SENSOR_VN