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esp-idf/docs/en/hw-reference/esp32s2/user-guide-devkitm-1-v1.rst
Wang Ning a5ffdaa962 Add ESP32-S2-DevKitM-1 User Guide 
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=====================
ESP32-S2-DevKitM-1(U)
=====================
:link_to_translation:`zh_CN:[中文]`
This user guide provides information on Espressif's small-sized development board ESP32-S2-DevKitM-1(U).
ESP32-S2-DevKitM-1(U) is a general-purpose development board based on `ESP32-S2FH4 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>`__ chip, which falls into ESP32-S2 chip family. With a rich peripheral set and optimized pinout, this board allows rapid prototyping.
ESP32-S2-DevKitM-1 is embedded with `ESP32-S2-MINI-1 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf>`__ module (on-board PCB antenna), while ESP32-S2-DevKitM-1U with `ESP32-S2-MINI-1U <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf>`__ module (U.FL connector to support external IPEX antenna).
+----------------------+-----------------------+
| |ESP32-S2-DevKitM-1| | |ESP32-S2-DevKitM-1U| |
+----------------------+-----------------------+
| ESP32-S2-DevKitM-1 | ESP32-S2-DevKitM-1U |
+----------------------+-----------------------+
.. |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:
- `Getting started`_: Provides an overview of the ESP32-S2-DevKitM-1(U) and hardware/software setup instructions to get started.
- `Hardware reference`_: Provides more detailed information about the ESP32-S2-DevKitM-1(U)'s hardware.
- `Related Documents`_: Gives links to related documentation.
Getting Started
===============
This section describes how to get started with ESP32-S2-DevKitM-1(U). It begins with a few introductory sections about the ESP32-S2-DevKitM-1(U), then Section `Start Application Development`_ provides instructions on how to get the ESP32-S2-DevKitM-1(U) ready and flash firmware into it.
Overview
--------
ESP32-S2-DevKitM-1(U) is entry-level development board equipped with either ESP32-S2-MINI-1 or ESP32-S2-MINI-1U module. 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(U) on a breadboard.
Contents and Packaging
----------------------
Retail orders
^^^^^^^^^^^^^
If you order a few samples, each ESP32-S2-DevKitM-1(U) comes in an individual package in either antistatic bag or any packaging depending on your retailer.
For retail orders, please go to https://www.espressif.com/en/company/contact/buy-a-sample.
Wholesale Orders
^^^^^^^^^^^^^^^^
If you order in bulk, the boards come in large cardboard boxes.
For wholesale orders, please check `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF).
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
.. list-table::
:widths: 30 70
:header-rows: 1
* - Key Component
- Description
* - ESP32-S2-MINI-1 or ESP32-S2-MINI-1U
- ESP32-S2-MINI-1 and ESP32-S2-MINI-1U are two powerful, generic Wi-Fi MCU modules that integrate ESP32-S2FH4 chip. ESP32-S2-MINI-1 comes with a PCB antenna, and ESP32-S2-MINI-1U with a U.FL connector for external IPEX antenna. They both feature a 4 MB external SPI flash.
* - 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.
* - I/O Connector
- 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`.
* - 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
- Addressable RGB LED (WS2812), driven by GPIO18.
* - 5 V to 3.3 V LDO
- Power regulator that converts a 5 V supply into a 3.3 V output.
* - U.FL Connector
- On **ESP32-S2-MINI-1U** module only. Connects to an external IPEX antenna.
Start Application Development
-----------------------------
Before powering up your ESP32-S2-DevKitM-1(U), please make sure that it is in good condition with no obvious signs of damage.
Required Hardware
^^^^^^^^^^^^^^^^^
- ESP32-S2-DevKitM-1(U)
+ For ESP32-S2-DevKitM-1U, an IPEX antenna is also required.
- USB 2.0 cable (Standard-A to Micro-B)
- Computer running Windows, Linux, or macOS
Software Setup
^^^^^^^^^^^^^^
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(U).
.. note::
ESP32-S2 family chip only is only supported in ESP-IDF master or version v4.2 and higher.
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%
:alt: ESP32-S2-DevKitM-1(U) (click to enlarge)
:figclass: align-center
ESP32-S2-DevKitM-1(U) (click to enlarge)
Power Supply Options
^^^^^^^^^^^^^^^^^^^^
There are three mutually exclusive ways to provide power to the board:
- Micro USB port, default power supply
- 5V and GND header pins
- 3V3 and GND header pins
It is recommended to use the first option: micro USB port.
.. _user-guide-devkitm-1-v1-header-blocks:
Header Block
------------
The two tables below provide the **Name** and **Function** of I/O header pins on both sides of the board, as shown in :ref:`user-guide-devkitm-1-v1-board-front`. The numbering and names are the same as in the `ESP32-S2-DevKitM-1(U) Schematics <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Schematics.pdf>`_ (PDF).
J1
^^^
=== ==== ===== ========================================================
No. Name Type Function
=== ==== ===== ========================================================
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
=== ==== ===== ========================================================
J3
^^^
=== ==== ===== ========================================================
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-
21 18 I/O/T RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3
=== ==== ===== ========================================================
Related Documents
=================
* `ESP32-S2-DevKitM-1(U) Schematics <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Schematics.pdf>`_ (PDF)
* `ESP32-S2-DevKitM-1(U) PCB Layout <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_PCB_Layout.pdf>`_ (PDF)
* `ESP32-S2-DevKitM-1(U) Dimensions <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Dimensions.pdf>`_ (PDF)
* `ESP32-S2 Family Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>`_ (PDF)
* `ESP32-S2-MINI-1 & ESP32-S2-MINI-1U Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf>`_ (PDF)
* `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
For other design documentation for the board, please contact us at sales@espressif.com.
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