Data Sheet

6. SCHEMATICS
6. Schematics
GPIO16
SRAM_CLK
SENSOR_VP
SENSOR_VN
GPIO32
GPIO33 GPIO18
GPIO2
U0TXD
U0RXD
GPIO22
GPIO21
GPIO19
SHD/SD2
SWP/SD3
SCS/CMD
FLASH_CLK
SDO/SD0
SDI/SD1
GPIO23
CHIP_PU
GPIO34
GPIO35
GPIO25
GPIO26
GPIO27
GPIO14
GPIO12
GPIO13
GPIO0
GPIO15
GPIO4
GPIO5
FLASH_CLK
SCS/CMD
SHD/SD2 SWP/SD3
SDI/SD1
SDO/SD0
SCK/CLK
GPIO17
FLASH_CLK
SRAM_CLK
SDO/SD0
SWP/SD3
SHD/SD2
SDI/SD1
CHIP_PU
GPIO35
SENSOR_VP
SENSOR_VN
GPIO34
GPIO25 GPIO26
GPIO27 G
PIO14
GPIO12
GPIO16
SDI/SD1
SDO/SD0
SCK/CLK
SCS/CMD
SWP/SD3
SHD/SD2
GPIO5
GPIO18
GPIO23
GPIO17
GPIO15
GPIO13
GPIO2
GPIO0
GPIO4
GPIO32
GPIO33
U0RXD
GPIO22
GPIO21
GPIO19
U0TXD
GND
VDD_SDIO
GND GND
VDD33
GND
GND
VDD_SDIO
VDD33
VDD_SDIO
GND
VDD33
GND
GND
VDD_SDIO
GND
GND
VDD33
GND
GND
GND
GND
GNDGND
VDD33
GND
GND
GND
VDD33
VDD33
GND
GND
GND GND
GND
ESP32 Module:with 1.8V Flash & SRAM
The operating voltage for signals marked in blue is 1.8V.
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.16
IO13
Pin.14
IO12
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.28
NC
Pin.27
NC
Pin.30
IO18
Pin.29
IO5
Pin.32
NC
Pin.31
IO19
Pin.34
RXD0
Pin.33
IO21
Pin.35
TXD0
Pin.37
IO23
Pin.36
IO22
Pin.39
GND
C14 3.9pF/50V(5%)R15 0(1%)
C9
0.1uF/6.3V(10%)
C15
2.4pF/50V(±0.25pF)
U4
PN18S32
CS#
1
SO/SIO1
2
SIO2
3
VSS
4
SI/SIO0
5
SCLK
6
SIO3
7
VDD
8
R13 0(1%)
R12 0(1%)
C17
270pF/6.3V(10%)
R11
0(1%)(NC)
C16
270pF/6.3V(10%)
C10
0.1uF/6.3V(10%)
C2
22pF/6.3V(10%)
C12
10uF/16V(10%)
U2ESP32
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
R1 20K(1%)
D1
ESD3.3V88D-C
C11
1uF/16V(10%)
R10
10K(1%)
C1
22pF/6.3V(10%)
C5 3.3nF/6.3V(10%)
C19
0.1uF/6.3V(10%)
C4
0.1uF/6.3V(10%)
L4
2.7nH(±0.1nH)
ANT1
PCB ANT
1
2
C6
10nF/6.3V(10%)
C24
0.1uF/6.3V(10%)
R9
10K(1%)
R14
0(1%)/NC
C13
10uF/16V(10%)
J39
IPEX
1
2 3
U3
FLASH
/CS
1
DO
2
/WP
3
GND
4
DI
5
CLK
6
/HOLD
7
VCC
8
C3
100pF/6.3V(10%)
C18
1uF/16V(10%)
U1
40MHz+/-10ppm
XIN
1
GND
2
XOUT
3
GND
4
Figure 3: ESP32-WROVER Schematics
Espressif Systems 18 ESP32-WROVER Datasheet V1.2