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ESP32 Datasheet(PDF) 14 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

Part # ESP32
Description  32-bit MCU & 2.4 GHz Wi-Fi & BT/BLE SoCs
PDF  60 Pages
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Manufacturer  ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]
Direct Link  https://www.espressif.com/
Logo ESPRESSIF - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

ESP32 Datasheet(HTML) 14 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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2. Pin Definitions
10
9
8
7
6
5
4
3
2
1
VDET_1
CHIP_PU
SENSOR_VN
SENSOR_CAPN
SENSOR_CAPP
SENSOR_VP
VDD3P3
VDD3P3
LNA_IN
VDDA
25
26
27
28
29
30
31
32
33
34
GPIO16
VDD_SDIO
GPIO5
VDD3P3_CPU
GPIO19
GPIO25
32K_XN
SD_DATA_2
SD_DATA_3
SD_CMD
SD_CLK
SD_DATA_0
SD_DATA_1
GPIO17
32K_XP
VDET_2
GPIO18
GPIO23
11
12
13
14
35
36
37
38
ESP32
49 GND
Figure 3: ESP32 Pin Layout (QFN 5*5, Top View)
Note:
For details on ESP32’s part numbers and the corresponding packaging, please refer to Part Number and Ordering Infor-
mation.
2.2 Pin Description
Table 1: Pin Description
Name
No.
Type
Function
Analog
VDDA
1
P
Analog power supply (2.3 V – 3.6 V)
LNA_IN
2
I/O
RF input and output
VDD3P3
3
P
Analog power supply (2.3 V – 3.6 V)
VDD3P3
4
P
Analog power supply (2.3 V – 3.6 V)
VDD3P3_RTC
SENSOR_VP
5
I
GPIO36, ADC1_CH0,
RTC_GPIO0
SENSOR_CAPP
6
I
GPIO37, ADC1_CH1,
RTC_GPIO1
SENSOR_CAPN
7
I
GPIO38, ADC1_CH2,
RTC_GPIO2
SENSOR_VN
8
I
GPIO39, ADC1_CH3,
RTC_GPIO3
CHIP_PU
9
I
High: On; enables the chip
Low: Off; the chip powers off
Note: Do not leave the CHIP_PU pin floating.
Espressif Systems
7
ESP32 Datasheet V3.0



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