User's Manual
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Shenzhen Ai-Thinker Technology Manuals
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Wi-Fi & Bluetooth Module
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Table Of Contents
1.Preface
2. Pin Definitions
2.1 Pin Layout
2.2 Pin Description
2.3 Strapping Pins
3. Functional Description
3.1 CPU and Internal Memory
3.2 External Flash and SRAM
3.3 Crystal Oscillators
3.4 Power Consumption
3.5 Peripherals and Sensors
3.5.1 Peripherals and Sensors Description
3.5.2 Peripheral Schematics
4. Electrical Characteristics
4.1 Absolute Maximum Ratings
4.2 Recommended Operating Conditions
4.3 Digital Terminal Characteristics
4.4 Wi-Fi Radio
4.5 Bluetooth LE Radio
4.5.1 Receiver
4.5.2 Transmit
4.6 Reflow Profile
5. Schematics
ESP-32S
User
Manual
Shenzhen
Ai-Thinker
Technolog
y
Co.,
Ltd
http://www
.ai-thinker
.com
5.
Sc
hematics
Figure
3:
ESP-32S
Schematics
Note:
The
capacitance
of
Gland
C2
varies
with
the
selection
of
the
crystal.
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