Data Sheet

6. Schematics
6. Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
The values of C1 and C2 vary with
the selection of the crystal.
Pin.1
GND
Pin.15
GND
Pin.2
3V3
Pin.3
CHIP_PU/EN
Pin.38
GND
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.16
IO13
Pin.14
IO12
Pin.17
SD2
Pin.20
CLK
Pin.19
CMD
Pin.18
SD3
Pin.23
IO15
Pin.22
SD1
Pin.21
SD0
Pin.24
IO2
Pin.37
IO23
Pin.36
IO22
Pin.28
IO17
Pin.27
IO16
Pin.25
IO0
Pin.32
NC
Pin.30
IO18
Pin.26
IO4
Pin.34
U0RXD
Pin.29
IO5
Pin.35
U0TXD
Pin.31
IO19
Pin.33
IO21
Pin.39
GND
The values of C14 、 L4 and C15
vary with the actual PCB board.
CHIP_PU
GPIO35
SCK/CLK
SCS/CMD
SENSOR_VP
SHD/SD2 SWP/SD3
SDI/SD1
SDO/SD0
SENSOR_VN
GPIO34
GPIO23GPIO13
GPIO32
U0TXD
GPIO33
GPIO25
GPIO26 GPIO27 GPIO14 GPIO12 GPIO15 GPIO13 GPIO2 GPIO0 GPIO4
GPIO16
GPIO17
SDO/SD0
SDI/SD1
SCK/CLK
SWP/SD3
SCS/CMD
SHD/SD2
GPIO18
GPIO5
GPIO23
GPIO19
GPIO22
U0RXD
GPIO21
CHIP_PU
SENSOR_VP
SENSOR_VN
GPIO34
GPIO32
GPIO35
GPIO33
GPIO25
GPIO26
GPIO27
GPIO14
GPIO12
SHD/SD2
SWP/SD3
SCS/CMD
SCK/CLK
SDO/SD0
SDI/SD1
GPIO15
GPIO2
GPIO22
U0TXD
U0RXD
GPIO21
GPIO19
GPIO18
GPIO5
GPIO17
GPIO16
GPIO4
GPIO0
VDD33
GND
VDD33
GND
VDD33
GND
GND
VDD_SDIO
GND
VDD33
GND
GND GND
VDD33
GND
GNDGND
GNDGNDGND
GND
GND
GND
VDD_SDIO
VDD33
GND
GNDGND
GND
GND
GND
GND
GND
Title
Size
Document Number Rev
Date: Sheet o f
<Doc>
ESP32-WROOM-32D
A2
1
1
Thursday, May 31, 2018
2.2
Title
Size
Document Number Rev
Date: Sheet o f
<Doc>
ESP32-WROOM-32D
A2
1
1
Thursday, May 31, 2018
2.2
Title
Size
Document Number Rev
Date: Sheet o f
<Doc>
ESP32-WROOM-32D
A2
1
1
Thursday, May 31, 2018
2.2
R1 20K(5%)
C14
TBD
C18
1uF
L4 TBD
C17
NC
C5
10nF/6.3V(10%)
L5 2.0nH
C3
100pF
C20
1uF
C2
22pF/6.3V(10%)
C11
1uF
C9
0.1uF
R2 0R
C21
NC
C16
NC
C15
TBD
C6
3.3nF/6.3V(10%)
C4
0.1uF
D1
LESD8D3.3CAT5G
ANT1
PCB ANT
1
2
C13
10uF
R3 499R
C19
0.1uF
U1
40MHz+/-10ppm
XIN
1
GND
2
XOUT
3
GND
4
C10
0.1uF
C12
NC
U3
FLASH
/CS
1
DO
2
/WP
3
GND
4
DI
5
CLK
6
/HOLD
7
VCC
8
C1
22pF/6.3V(10%)
U2
ESP32-D0WD
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
Figure 3: ESP32-WROOM-32D Schematics
Espressif Systems 13 ESP32-WROOM-32D & ESP32-WROOM-32U Datasheet V1.8