Datasheet

6. Schematics
6. Schematics
SDI/SD1
SDO/SD0
SCK/CLK
SCS/CMD
SWP/SD3
SHD/SD2
CHIP_PU
GPIO35
SCK/CLK
SCS/CMD
SHD/SD2 SWP/SD3
SDI/SD1
SDO/SD0
GPIO34
GPIO25 GPIO26 GPIO27 GPIO14 GPIO12 GPIO15 GPIO13 GPIO2 GPIO0
GPIO5
GPIO18
GPIO17
GPIO4
SENSOR_VP
SENSOR_VN
U0RXD
GPIO22
GPIO23
GPIO21
GPIO19
U0TXD
GPIO16GPIO32
SENSOR_VP
SENSOR_VN
GPIO32
GPIO33 GPIO18
U0TXD
U0RXD
GPIO22
GPIO21
GPIO19
GPIO23
CHIP_PU
GPIO34
GPIO35
GPIO25
GPIO26
GPIO27
GPIO14
GPIO12 GPIO0
GPIO4
GPIO16
GPIO5
GPIO17
GPIO13
SHD/SD2
SWP/SD3
SCS/CMD
SCK/CLK
SDO/SD0
SDI/SD1
GPIO15
GPIO2
GPIO33
GND
GND
GND
GND
GND
VDD33
GND
GND
GND
VDD_SDIO
GND
GND
VDD33
GND GND
GND
GNDGND GND
GND
GND
VDD33
GND
GND
VDD33
GNDGND
GND
GND
VDD33
VDD33
VDD_SDIO
Pin.39
GND
Pin.1
GND
Pin.15
GND
Pin.38
GND
Pin.2
3V3
Pin.3
CHIP_PU/EN
Pin.4
SENSOR_VP
Pin.5
SENSOR_VN
Pin.6
IO34
Pin.7
IO35
Pin.8
IO32
Pin.9
IO33
Pin.10
IO25
Pin.11
IO26
Pin.12
IO27
Pin.13
IO14
Pin.14
IO12
Pin.16
IO13
Pin.17
SD2
Pin.18
SD3
Pin.19
CMD
Pin.20
CLK
Pin.21
SD0
Pin.22
SD1
Pin.23
IO15
Pin.24
IO2
Pin.25
IO0
Pin.26
IO4
Pin.27
IO16
Pin.28
IO17
Pin.29
IO5
Pin.30
IO18
Pin.31
IO19
Pin.32
NC
Pin.33
IO21
Pin.34
RXD0
Pin.35
TXD0
Pin.36
IO22
Pin.37
IO23
The values of C14, L4 and C15
vary with the actual
selection of a PCB board.
The values of C1 and C2 vary with
the selection of a crystal.
C13
10uF
U1
40MHz+/-10ppm
XIN
1
GND
2
XOUT
3
GND
4
C4
0.1uF
C15
TBD
C1
22pF
C11
1uF
R1
20K(5%)
C10
0.1uF
C14 TBD
U3
FLASH
/CS
1
DO
2
/WP
3
GND
4
DI
5
CLK
6
/HOLD
7
VCC
8
D1
ESD3.3V88D-C
C19
0.1uF
C2
22pF
C20
1uF
ANT1
PCB ANT
1
2
C5
10nF/6.3V(10%)
C12
10uF
C18
1uF
C3
100pF
C17
270pF
C16
270pF
C9
0.1uF
U2ESP32-D0WDQ6
VDDA
1
LNA_IN
2
VDD3P3
3
VDD3P3
4
SENSOR_VP
5
SENSOR_CAPP
6
SENSOR_CAPN
7
SENSOR_VN
8
CHIP_PU
9
VDET_1
10
VDET_2
11
32K_XP
12
32K_XN
13
GPIO25
14
GPIO26
15
GPIO27
16
MTMS
17
MTDI
18
VDD3P3_RTC
19
MTCK
20
MTDO
21
GPIO2
22
GPIO0
23
GPIO4
24
VDD_SDIO
26
GPIO16
25
GPIO17
27
SD_DATA_2
28
SD_DATA_3
29
SD_CMD
30
SD_CLK
31
SD_DATA_0
32
GND
49
SD_DATA_1
33
GPIO5
34
GPIO18
35
GPIO19
38
CAP2
47
VDDA
43
XTAL_N
44
XTAL_P
45
GPIO23
36
U0TXD
41
GPIO22
39
GPIO21
42
VDD3P3_CPU
37
CAP1
48
VDDA
46
U0RXD
40
L4
TBD
C6
3.3nF/6.3V(10%)
Figure 3: ESP32-WROOM-32 Schematics
Espressif Systems 13 ESP32-WROOM-32 Datasheet V2.9