Data Sheet

5 Module Schematics
5 Module Schematics
This is the reference design of the module.
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
The values of C11, L2 and C12
vary with the actual PCB board.
ESP32-PICO-MINI-02 (pin-out)
IO23:SPIDI
IO18:SPIWP
CLK:FLASH_CLK
CMD:FLASH_CS
SD3:PSRAM_CLK
SD2:PSRAM_CS
IO17:SPIDO
IO16:SPIHD
IO13 IO15 IO2 IO4
IO7
IO8
IO5
IO19
IO22
U0TXD
U0RXD
IO21
EN
RF_ANT LNA_IN
IO21
U0RXD
U0TXD
IO22
IO19
IO5
IO8
IO7
IO20
I39
I38
I37
I36
I34
I35
IO32
EN
IO33 IO25 IO26 IO27 IO14 IO12 IO13 IO15 IO2 IO0 IO4
IO0
I36
I37
I38
I39
I34
I35
IO25 IO14 IO12 IO32 IO33 IO26 IO27
IO20
GND
GND
GND GND GND
GND
VDD33
GND
VDD33
VDD33
GND
VDD33
GND
Title
Size
Page Name Re v
Date: Sheet o f
Confidential and Proprietary
<ESP32-PICO-MINI-02>
<ESP32-PICO-MINI-02>
A4
2 2Monday, January 18, 2021
1.2
Title
Size
Page Name Rev
Date: Sheet o f
Confidential and Proprietary
<ESP32-PICO-MINI-02>
<ESP32-PICO-MINI-02>
A4
2 2Monday, January 18, 2021
1.2
Title
Size
Page Name Rev
Date: Sheet o f
Confidential and Proprietary
<ESP32-PICO-MINI-02>
<ESP32-PICO-MINI-02>
A4
2 2Monday, January 18, 2021
1.2
U1 ESP32-PICO-V3-02
VDDA
1
LNA_IN
2
VDDA3P3
3
VDDA3P3
4
SENSOR_VP/I36
5
SENSOR_CAPP/I37
6
SENSOR_CAPN/I38
7
SENSOR_VN/I39
8
EN
9
VDET_1/I34
10
VDET_2/I35
11
32K_XP/IO32
12
32K_XN/IO33
13
IO25
14
IO26
15
IO27
16
MTMS/IO14
17
MTDI/IO12
18
VDD3P3_RTC
19
MTCK/IO13
20
MTDO/IO15
21
IO2
22
IO0
23
IO4
24
VDD_SDIO
26
NC
25
IO20
27
SD2/IO9
28
SD3/IO10
29
CMD/IO11
30
CLK/IO6
31
SD0/IO7
32
GND
49
SD1/IO8
33
IO5
34
NC
35
IO19
38
NC
47
VDDA
43
NC
44
NC
45
NC
36
U0TXD/IO1
41
IO22
39
IO21
42
VDD3P3_CPU
37
NC
48
VDDA
46
U0RXD/IO3
40
C5
0.1uF
C11
TBD
ANT1
PCB_ANT
1
2
C12
TBD
L2
TBD
U2
ESP32-PICO-MINI-02
GND
1
3V3
3
IO0
23
I36
4
I37
5
I38
6
I39
7
I34
9
I35
10
IO25
15
IO26
16
IO27
17
IO14
18
IO12
19
NC
32
TXD0
31
RXD0
30
IO22
34
IO19
33
IO20
26
IO5
29
IO8
28
IO7
27
IO15
21
IO2
22
IO32
12
IO33
13
GND
52
IO13
20
IO21
35
IO4
24
EPAD
49
GND
2
GND
53
GND
51
GND
50
EN
8
GND
36
GND
37
GND
38
GND
39
GND
40
GND
41
GND
42
GND
43
GND
44
GND
45
GND
46
GND
47
GND
48
GND
14
GND
11
NC
25
D1
ESD
C6
10uF
Figure 5: ESP32PICOMINI02 Schematics
Espressif Systems 21
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ESP32-PICO-MINI-02 & PICO-MINI-02U Datasheet v1.0