Data Sheet
7. Peripheral Schematics
7. Peripheral Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Espressif Systems
MTDI should be kept at a low electric level when powering up the module.
EN
TXD
RXD
IO0
MTMS
MTDI
MTCK
MTDO
IO23
IO22
IO21
IO19
IO18
IO5
IO4
IO2
SD2
SD3
CMD
CLK
SD0
SD1
SENSOR_VP
SENSOR_VN
IO34
IO35
IO32
IO33
IO25
IO26
IO27
IO17
IO16
VDD33
GND
VDD33
GND
GND
GND
GND
GND
GND
Title
Size
Document Number Re v
Date: Sheet o f
<Doc> 1.0
Application of ESP32-WROOM-32
A4
1 1Thursday, June 21, 2018
Title
Size
Document Number Re v
Date: Sheet o f
<Doc> 1.0
Application of ESP32-WROOM-32
A4
1 1Thursday, June 21, 2018
Title
Size
Document Number Re v
Date: Sheet o f
<Doc> 1.0
Application of ESP32-WROOM-32
A4
1 1Thursday, June 21, 2018
R2 100R
R4 100R
C1 10uF
U2
JTAG
MTMS
1
MTDI
2
MTCK
3
MTDO
4
U1
GND1
1
3V3
2
EN
3
SENSOR_VP
4
SENSOR_VN
5
IO34
6
IO35
7
IO32
8
IO33
9
IO25
10
IO26
11
IO27
12
IO14
13
IO12
14
GND3
38
IO23
37
IO22
36
TXD0
35
RXD0
34
IO21
33
NC
32
IO19
31
IO18
30
IO5
29
IO17
28
IO16
27
IO4
26
IO0
25
GND2
15
IO13
16
SD2
17
SD3
18
CMD
19
CLK
20
SD0
21
SD1
22
IO15
23
IO2
24
P_GND
39
R1
10K
C3 0.1uF
J1
UART DOWNLOAD
1
2
3
R3 100R
R5 100R
C2 0.1uF
J2
BOOT OPTION
1
2
Figure 5: ESP32-WROOM-32D & ESP32-WROOM-32U Peripheral Schematics
Espressif Systems 15 ESP32-WROOM-32D & ESP32-WROOM-32U Datasheet V1.8