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==================
ESP32-S2-DevKitM-1
==================
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:link_to_translation:`zh_CN:[中文]`
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This user guide provides information on Espressif's small-sized development board ESP32-S2-DevKitM-1.
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ESP32-S2-DevKitM-1 is entry-level development board. Most of the I/O pins on the module are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S2-DevKitM-1 on a breadboard.
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+----------------------+-----------------------+
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| |ESP32-S2-DevKitM-1| | |ESP32-S2-DevKitM-1U| |
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+----------------------+-----------------------+
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| ESP32-S2-DevKitM-1 | ESP32-S2-DevKitM-1U |
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+----------------------+-----------------------+
.. |ESP32-S2-DevKitM-1| image :: ../../../_static/esp32-s2-devkitm-1-v1-isometric.png
.. |ESP32-S2-DevKitM-1U| image :: ../../../_static/esp32-s2-devkitm-1u-v1-isometric.png
The document consists of the following major sections:
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- `Getting started`_ : Provides an overview of the ESP32-S2-DevKitM-1 and hardware/software setup instructions to get started.
- `Hardware reference`_ : Provides more detailed information about the ESP32-S2-DevKitM-1's hardware.
- `Hardware Revision Details`_ : Revision history, known issues, and links to user guides for previous versions (if any) of ESP32-S2-DevKitM-1.
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- `Related Documents`_ : Gives links to related documentation.
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Getting Started
===============
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This section describes how to get started with ESP32-S2-DevKitM-1. It begins with a few introductory sections about the ESP32-S2-DevKitM-1, then Section `Start Application Development`_ provides instructions on how to get the ESP32-S2-DevKitM-1 ready and flash firmware into it.
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Contents and Packaging
----------------------
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.. _user-guide-s2-devkitm-1-v1-ordering-info:
Ordering Information
^^^^^^^^^^^^^^^^^^^^
The development board has a variety of variants to choose from, as shown in the table below.
.. list-table ::
:header-rows: 1
:widths: 41 24 9 8 18
* - Ordering Code
- On-board Module [#]_
- Flash
- PSRAM
- Antenna
* - ESP32-S2-DevKitM-1-N4R2
- ESP32-S2-MINI-2
(Recommended)
- 4 MB
- 2 MB
- PCB on-board antenna
* - ESP32-S2-DevKitM-1U-N4R2
- ESP32-S2-MINI-2U
(Recommended)
- 4 MB
- 2 MB
- External antenna connector
* - ESP32-S2-DevKitM-1
- ESP32-S2-MINI-1
- 4 MB
- ---
- PCB on-board antenna
* - ESP32-S2-DevKitM-1U
- ESP32-S2-MINI-1U
- 4 MB
- ---
- External antenna connector
* - ESP32-S2-DevKitM-1R
- ESP32-S2-MINI-1
- 4 MB
- 2 MB
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- PCB on-board antenna
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* - ESP32-S2-DevKitM-1RU
- ESP32-S2-MINI-1U
- 4 MB
- 2 MB
- External antenna connector
.. [#] The ESP32-S2-MINI-2 and ESP32-S2-MINI-2U modules use chip revision v1.0, and the rest use chip revision v0.0. For more information about chip revisions, please refer to `ESP32-S2 Series SoC Errata`_ .
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Retail Orders
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^^^^^^^^^^^^^
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If you order a few samples, each ESP32-S2-DevKitM-1 comes in an individual package in either antistatic bag or any packaging depending on your retailer.
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For retail orders, please go to https://www.espressif.com/en/contact-us/get-samples.
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Wholesale Orders
^^^^^^^^^^^^^^^^
If you order in bulk, the boards come in large cardboard boxes.
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For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
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Description of Components
-------------------------
.. _user-guide-devkitm-1-v1-board-front:
.. figure :: ../../../_static/esp32-s2-devkitm-1-v1-annotated-photo.png
:align: center
:alt: ESP32-S2-DevKitM-1 - front
:figclass: align-center
ESP32-S2-DevKitM-1 - front
.. figure :: ../../../_static/esp32-s2-devkitm-1u-v1-annotated-photo.png
:align: center
:alt: ESP32-S2-DevKitM-1U - front
:figclass: align-center
ESP32-S2-DevKitM-1U - front
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The key components of the board are described in a clockwise direction.
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.. list-table ::
:widths: 30 70
:header-rows: 1
* - Key Component
- Description
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* - On-board module (ESP32-S2-MINI-1 or ESP32-S2-MINI-1U in figures above)
- ESP32-S2-MINI series modules with an on-board PCB antenna or a connector for an external antenna. This series of modules, known for its small size, have a flash and/or a PSRAM integrated in the chip package. For more information, please refer to :ref: `user-guide-s2-devkitm-1-v1-ordering-info` .
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* - Pin Headers
- All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. Users can program ESP32-S2FH4 chip to enable multiple functions such as SPI, I2S, UART, I2C, touch sensors, PWM etc. For details, please see :ref: `user-guide-devkitm-1-v1-header-blocks` .
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* - 3.3 V Power On LED
- Turns on when the USB power is connected to the board.
* - USB to UART Bridge
- Single USB-UART bridge chip provides transfer rates up to 3 Mbps.
* - Reset Button
- Reset button.
* - Micro-USB Port
- USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-S2FH4 chip.
* - Boot Button
- Download button. Holding down **Boot** and then pressing **Reset** initiates Firmware Download mode for downloading firmware through the serial port.
* - RGB LED
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- Addressable RGB LED, driven by GPIO18.
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* - 5 V to 3.3 V LDO
- Power regulator that converts a 5 V supply into a 3.3 V output.
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* - External Antenna Connector
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- On **ESP32-S2-MINI-2U** and **ESP32-S2-MINI-1U** module only. For connector dimensions, please refer to Section External Antenna Connector Dimensions in module datasheet.
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Start Application Development
-----------------------------
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Before powering up your ESP32-S2-DevKitM-1, please make sure that it is in good condition with no obvious signs of damage.
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Required Hardware
^^^^^^^^^^^^^^^^^
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- ESP32-S2-DevKitM-1
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- USB 2.0 cable (Standard-A to Micro-B)
- Computer running Windows, Linux, or macOS
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.. note ::
Be sure to use an appropriate USB cable. Some cables are for charging only and do not provide the needed data lines nor work for programming the boards.
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Software Setup
^^^^^^^^^^^^^^
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Please proceed to :doc: `../../get-started/index` , where Section :ref: `get-started-step-by-step` will quickly help you set up the development environment and then flash an application example into your ESP32-S2-DevKitM-1.
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.. note ::
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ESP32-S2 series of chips only is only supported in ESP-IDF master or version v4.2 and higher.
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Hardware Reference
==================
Block Diagram
-------------
A block diagram below shows the components of ESP32-S2-DevKitM-1 and their interconnections.
.. figure :: ../../../_static/esp32-s2-devkitm-1-v1-block-diagram.png
:align: center
:scale: 70%
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:alt: ESP32-S2-DevKitM-1 (click to enlarge)
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:figclass: align-center
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ESP32-S2-DevKitM-1 (click to enlarge)
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Power Supply Options
^^^^^^^^^^^^^^^^^^^^
There are three mutually exclusive ways to provide power to the board:
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- Micro-USB Port, default power supply
- 5V and GND pin headers
- 3V3 and GND pin headers
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It is recommended to use the first option: micro USB Port.
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.. _user-guide-devkitm-1-v1-header-blocks:
Header Block
------------
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The two tables below provide the **Name** and **Function** of the pin headers on both sides of the board (J1 and J3). The pin header names are shown in :ref: `user-guide-devkitm-1-v1-board-front` . The numbering is the same as in the `ESP32-S2-DevKitM-1 Schematics <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Schematics.pdf> `_ (PDF).
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J1
^^^
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=== ==== ========== =============================================================
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No. Name Type [#]_ Function
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=== ==== ========== =============================================================
1 3V3 P 3.3 V power supply
2 0 I/O/T RTC_GPIO0, GPIO0
3 1 I/O/T RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0
4 2 I/O/T RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1
5 3 I/O/T RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2
6 4 I/O/T RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3
7 5 I/O/T RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
8 6 I/O/T RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5
9 7 I/O/T RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
10 8 I/O/T RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7
11 9 I/O/T RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD
12 10 I/O/T RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4
13 11 I/O/T RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5
14 12 I/O/T RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6
15 13 I/O/T RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7
16 14 I/O/T RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS
17 15 I/O/T RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P
18 16 I/O/T RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N
19 17 I/O/T RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6, DAC_1
20 5V P 5 V power supply
21 G G Ground
=== ==== ========== =============================================================
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J3
^^^
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=== ==== ===== ========================================================
No. Name Type Function
=== ==== ===== ========================================================
1 G G Ground
2 RST I CHIP_PU
3 46 I GPIO46
4 45 I/O/T GPIO45
5 RX I/O/T U0RXD, GPIO44, CLK_OUT2
6 TX I/O/T U0TXD, GPIO43, CLK_OUT1
7 42 I/O/T MTMS, GPIO42
8 41 I/O/T MTDI, GPIO41, CLK_OUT1
9 40 I/O/T MTDO, GPIO40, CLK_OUT2
10 39 I/O/T MTCK, GPIO39, CLK_OUT3
11 38 I/O/T GPIO38, FSPIWP
12 37 I/O/T SPIDQS, GPIO37, FSPIQ
13 36 I/O/T SPIIO7, GPIO36, FSPICLK
14 35 I/O/T SPIIO6, GPIO35, FSPID
15 34 I/O/T SPIIO5, GPIO34, FSPICS0
16 33 I/O/T SPIIO4, GPIO33, FSPIHD
17 26 I/O/T SPICS1, GPIO26
18 21 I/O/T RTC_GPIO21, GPIO21
19 20 I/O/T RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+
20 19 I/O/T RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-
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21 18 I/O/T RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3, RGB LED
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=== ==== ===== ========================================================
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.. [#] P: Power supply; I: Input; O: Output; T: High impedance.
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Pin Layout
^^^^^^^^^^^
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.. figure :: ../../../_static/esp32-s2-devkitm-1-v1-pin-layout.png
:align: center
:scale: 15%
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:alt: ESP32-S2-DevKitM-1 (click to enlarge)
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:figclass: align-center
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ESP32-S2-DevKitM-1 Pin Layout (click to enlarge)
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Hardware Revision Details
=========================
This is the first revision of this board released.
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Related Documents
=================
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* `ESP32-S2 Series Chip Revision v1.0 Datasheet`_ (PDF)
* `ESP32-S2 Series Chip Revision v0.0 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf> `_ (PDF)
* `ESP32-S2 Series SoC Errata`_ (PDF)
* `ESP32-S2-MINI-2 & ESP32-S2-MINI-2U Module Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-2_esp32-s2-mini-2u_datasheet_en.pdf> `_ (PDF)
* `ESP32-S2-MINI-1 & ESP32-S2-MINI-1U Module Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf> `_ (PDF)
* `ESP32-S2-DevKitM-1 Schematics <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Schematics.pdf> `_ (PDF)
* `ESP32-S2-DevKitM-1 PCB Layout <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_PCB_Layout.pdf> `_ (PDF)
* `ESP32-S2-DevKitM-1 Dimensions <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Dimensions.pdf> `_ (PDF)
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* `ESP Product Selector <https://products.espressif.com/#/product-selector?names=> `_
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For other design documentation for the board, please contact us at `sales@espressif.com <sales@espressif.com> `_ .
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.. _NRND: https://www.espressif.com/en/products/longevity-commitment?id=nrnd
.. _ESP32-S2 Series Chip Revision v1.0 Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-s2-v1.0_datasheet_en.pdf
.. _ESP32-S2 Series SoC Errata: https://espressif.com/sites/default/files/documentation/esp32-s2_errata_en.pdf
