Datasheet

5. Schematics
5. Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Pin.2
3V3
Pin.41
EN
Pin.42
GND
Pin.3
IO0
Pin.4
IO1
Pin.5
IO2
Pin.6
IO3
Pin.7
IO4
Pin.8
IO5
Pin.9
IO6
Pin.10
IO7
Pin.11
IO8
Pin.12
IO9
Pin.14
IO11
Pin.15
IO12
Pin.13
IO10
Pin.18 IO15 Pin.19 IO16
Pin.16
IO13
Pin.21 IO18 Pin.22 IO19
Pin.37
TXD0
Pin.20 IO17 Pin.23 IO20
Pin.36
IO42
Pin.28
IO34
Pin.32
IO38
Pin.27
IO33
Pin.24 IO21
Pin.35
IO41
Pin.30
IO36
Pin.25 IO26
Pin.34
IO40
Pin.29
IO35
Pin.33
IO39
Pin.31
IO37
Pin.1
GND
PCB ANTENNA
Flash and PSRAM
Pin.38
RXD0
Pin.39
IO45
Pin.40
IO46
Pin.17 IO14 Pin.26 GND
The values of C11, L2 and C12
vary with the actual PCB board.
EPAD
The values of C1 and C4 vary with
the selection of the crystal.
The value of R4 varies with the actual
PCB board.
NC: No component.
SPICLK
SPICS0
SPIHD
SPICS1SPID
SPIWP
SPIQ SPICLK
SPIHD
SPID
SPIWP
SPIQ
GPIO0
GPIO1
GPIO4
GPIO5
GPIO36
GPIO19
GPIO41
GPIO40
GPIO42
GPIO39
GPIO37
GPIO12
GPIO14 GPIO15 GPIO16 GPIO17
U0TXD
CHIP_PU
GPIO2
GPIO3
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO20 GPIO18 GPIO21
GPIO35
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15 GPIO16 GPIO17 GPIO18 GPIO19 GPIO20 GPIO21
GPIO33
GPIO34
GPIO35
GPIO36
GPIO37
GPIO38
SPIHD
SPIWP
SPID
SPIQ
SPICS1GPIO26
SPICS0
LAN_IN
ANT1
ANT2
RF_ANT
GPIO39
GPIO40
GPIO41
GPIO42
GPIO46
CHIP_PU
GPIO45
U0TXD
GPIO33
GPIO34
GPIO38
U0RXD
GPIO45
GPIO46
GPIO26
U0RXD
GPIO13
SPICLK
VDD_SPI VDD_SPI
GND
GND
VDD33
VDD33
GND
GND
GND
GND
GND GND
VDD33
GND GND GND
GNDGND
GND
GND
VDD33
VDD33
GND
GNDGND
VDD33
GND
GNDGND
VDD33
GND
VDD_SPI
VDD33
GND GND
GND
GND
GND
VDD33
Title
Size
Document Number Re v
Date: Sheet o f
<02_ESP32-S2-WROOM> V1.6
<ESP32-S2-WROOM>
C
2 2Wednesday, June 03, 2020
Title
Size
Document Number Re v
Date: Sheet o f
<02_ESP32-S2-WROOM> V1.6
<ESP32-S2-WROOM>
C
2 2Wednesday, June 03, 2020
Title
Size
Document Number Re v
Date: Sheet o f
<02_ESP32-S2-WROOM> V1.6
<ESP32-S2-WROOM>
C
2 2Wednesday, June 03, 2020
C11
TBD
1
1
1
R2 0
1
C12
TBD
1
1
C13
0.1uF
1
C4
TBD
1
1
R3 499
1
1
1
1
1
R8
10K(NC)
1
C14
1uF
1
1
U1 ESP32-S2
VDDA
1
LNA_IN
2
VDD3P3
3
VDD3P3
4
GPIO0
5
GPIO1
6
GPIO2
7
GPIO3
8
GPIO4
9
GPIO5
10
GPIO6
11
GPIO7
12
GPIO10
15
GPIO11
16
GPIO12
17
GPIO13
18
GPIO14
19
XTAL_32K_P
21
VDD3P3_RTC
20
XTAL_32K_N
22
DAC_1
23
DAC_2
24
GPIO19
25
GPIO20
26
VDD_SPI
30
SPICS1
29
SPIWP
32
SPICS0
33
SPIQ
35
SPID
36
SPICLK
34
GPIO33
37
GND
57
GPIO34
38
GPIO35
39
MTCK
43
GPIO46
55
VDDA
51
XTAL_N
52
XTAL_P
53
MTMS
47
MTDO
44
U0TXD
48
VDD3P3_CPU
45
CHIP_PU
56
VDDA
54
MTDI
46
GPIO8
13
GPIO9
14
VDD3P3_RTC_IO
27
GPIO21
28
SPIHD
31
GPIO36
40
GPIO37
41
GPIO38
42
U0RXD
49
GPIO45
50
1
1
C9
0.1uF
1
1
C6
10uF
1
1
1
L1 2.0nH
1
R1
10K(NC)
U2
FLASH-3V3
/CS
1
DO
2
/WP
3
GND
4
DI
5
CLK
6
/HOLD
7
VCC
8
C10
0.1uF
Y1
40MHz(±10ppm)
XIN
1
GND
2
XOUT
3
GND
4
C2
100pF
1
1
1
1
L2 TBD
C7
1uF
1
D1
LESD8D3.3CAT5G
R7 0
1
C1
TBD
ANT2
PCB_ANT
1
2
ANT1
IPEX
1
2 3
1
R10 0
1
1
U3
PSRAM-3V3(NC)
VDD
8
VSS
4
CS
1
SCLK
6
SIO3
7
SIO2
3
SO/SIO1
2
SI/SIO0
5
C3
1uF
1 1
1
C16
0.1uF
1
C15
0.1uF
R6 0(NC)
1
1
R4
0
1
C8
0.1uF
1
R9
10K(NC)
C5
0.1uF
Figure 4: ESP32-S2-WROOM Schematics
Espressif Systems 18
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ESP32-S2-WROOM & ESP32-S2-WROOM-I Datasheet V1.1