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ESP32-S3-WROOM-2
User Manual
2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth
Built around ESP32-S3R8V SoC, Xtensa
Flash up to 32 MB, PSRAM up to 8 MB
33 GPIOs, rich set of peripherals
On-board PCB antenna
®
5 (LE) module
®
dual-core 32-bit LX7 microprocessor
ESP32-S3-WROOM-2
www.espressif.com
Pre-release v0.6
Espressif Systems
Copyright © 2022
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Table of Contents
Related Manuals for Espressif Systems ESP32-S3-WROOM-2
Summary of Contents for Espressif Systems ESP32-S3-WROOM-2
- Page 1 ESP32-S3-WROOM-2 User Manual ® 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) module ® Built around ESP32-S3R8V SoC, Xtensa dual-core 32-bit LX7 microprocessor Flash up to 32 MB, PSRAM up to 8 MB 33 GPIOs, rich set of peripherals...
- Page 2 About This Document This user manual shows how to get started with the ESP32-S3-WROOM-2 module. Document Updates Please always refer to the latest version on https://www.espressif.com/en/support/download/documents. Revision History For revision history of this document, please refer to the last page.
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Page 3: Table Of Contents
Create Your First Project 2.4.1 Start a Project 2.4.2 Connect Your Device 2.4.3 Configure 2.4.4 Build the Project 2.4.5 Flash onto the Device 2.4.6 Monitor U.S. FCC Statement Related Documentation and Resources Revision History Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... -
Page 4: Overview
1.1 Module Overview ESP32-S3-WROOM-2 is a powerful, generic Wi-Fi + Bluetooth LE MCU module that has a rich set of peripherals. It provides acceleration for neural network computing and signal processing workloads. It is an ideal choice for a wide... - Page 5 Table 2: Pin Definitions Name Type Function Power supply High: on, enables the chip. Low: off, the chip powers off. Note: Do not leave the EN pin floating. Cont’d on next page Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
- Page 6 MTDI, GPIO41, CLK_OUT1 IO41 I/O/T MTMS, GPIO42 IO42 I/O/T U0RXD, GPIO44, CLK_OUT2 RXD0 I/O/T U0TXD, GPIO43, CLK_OUT1 TXD0 I/O/T RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1 I/O/T RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0 I/O/T Cont’d on next page Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
- Page 7 Table 2 – cont’d from previous page Name Type Function EPAD P: power supply; I: input; O: output; T: high impedance. Pin functions in bold font are the default pin functions. Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
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Page 8: Get Started
ESP-IDF Programming Guide. 2.2 Hardware Connection 1. Solder the ESP32-S3-WROOM-2 module to the RF testing board as shown in Figure 2. Figure 2: Hardware Connection 2. Connect the RF testing board to the USB-to-Serial board via TXD, RXD, and GND. -
Page 9: Set Up Development Environment
/esp on Linux as an installation folder for ESP-IDF. • Keep in mind that ESP-IDF does not support spaces in paths. 2.3.2 Get ESP-IDF To build applications for ESP32-S3-WROOM-2 module, you need the software libraries provided by Espressif in ESP-IDF repository. -
Page 10: Set Up Tools
Now everything is ready, you can build your first project on ESP32-S3-WROOM-2 module. 2.4 Create Your First Project 2.4.1 Start a Project Now you are ready to prepare your application for ESP32-S3-WROOM-2 module. You can start with get-started/hello_world project from examples directory in ESP-IDF. -
Page 11: Build The Project
Running cmake in directory /path/to/hello_world/build Executing ”cmake -G Ninja --warn-uninitialized /path/to/hello_world”... Warn about uninitialized values. -- Found Git: /usr/bin/git (found version ”2.17.0”) -- Building empty aws_iot component due to configuration -- Component names: ... Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... -
Page 12: Flash Onto The Device
Features: WiFi, BLE Crystal is 40MHz MAC: 7c:df:a1:e0:00:64 Uploading stub... Running stub... Stub running... Changing baud rate to 460800 Changed. Configuring flash size... Flash will be erased from 0x00000000 to 0x00004fff... Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... -
Page 13: Monitor
After startup and diagnostic logs scroll up, you should see “Hello world!” printed out by the application. Hello world! Restarting in 10 seconds... This is esp32s3 chip with 2 CPU core(s), This is esp32s3 chip with 2 CPU core(s), WiFi/BLE, Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... - Page 14 Restarting in 7 seconds... To exit IDF monitor use the shortcut Ctrl+]. That’s all what you need to get started with ESP32-S3-WROOM-2 module! Now you are ready to try some other examples in ESP-IDF, or go right to developing your own applications.
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Page 15: S. Fcc Statement
Not applicable. The module is a single module and complies with the requirement of FCC Part 15.212. Trace Antenna Designs Not applicable. The module has its own antenna, and does not need a host’s printed board microstrip trace antenna, etc. Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... - Page 16 Only when all the test results of test modes comply with FCC requirements, then the end product can be sold legally. Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
- Page 17 As long as the conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
- Page 18 OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End Product Labeling The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID: 2AC7Z-ESPS3WROOM2”. Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback...
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Page 19: Related Documentation And Resources
Find an Espressif hardware product suitable for your needs by comparing or applying filters. http://products.espressif.com/#/product-selector?language=en Contact Us • See the tabs Sales Questions, Technical Enquiries, Circuit Schematic & PCB Design Review, Get Samples (Online stores), Become Our Supplier, Comments & Suggestions. http://espressif.com/en/contact-us/sales-questions Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... -
Page 20: Revision History
Revision History Revision History Date Version Release notes 2021-12-07 v0.6 Preliminary release Espressif Systems ESP32-S3-WROOM-2 User Manual v0.6 Submit Documentation Feedback... - Page 21 The Wi-Fi Alliance Member logo is a trademark of the Wi-Fi Alliance. The Bluetooth logo is a registered trademark of Bluetooth SIG. All trade names, trademarks and registered trademarks mentioned in this document are property www.espressif.com of their respective owners, and are hereby acknowledged. Copyright © 2022 Espressif Systems (Shanghai) Co., Ltd. All rights reserved.
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