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provide user guide for ESP32-DevKitM-1

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+ 1 - 0
docs/en/get-started/index.rst

@@ -93,6 +93,7 @@ If you have one of {IDF_TARGET_NAME} development boards listed below, you can cl
         ESP32-DevKit-S(-R) <../hw-reference/esp32/user-guide-devkits-r-v1.1>
         ESP32-PICO-KIT-1 <../hw-reference/esp32/get-started-pico-kit-1>
         ESP32-PICO-DevKitM-2 <../hw-reference/esp32/get-started-pico-devkitm-2>
+        ESP32-DevKitM-1 <../hw-reference/esp32/user-guide-devkitm-1>
 
 .. only:: esp32s2
 

+ 319 - 0
docs/en/hw-reference/esp32/user-guide-devkitm-1.rst

@@ -0,0 +1,319 @@
+===================
+ ESP32-DevKitM-1
+===================
+
+:link_to_translation:`zh_CN:[中文]`
+
+This user guide will help you get started with ESP32-DevKitM-1 and will also provide more in-depth information.
+
+ESP32-DevKitM-1 is an ESP32-MINI-1-based development board produced by Espressif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Users can either connect peripherals with jumper wires or mount ESP32-DevKitM-1 on a breadboard.
+
+
++---------------------------+-------------------------------+
+| |ESP32-DevKitM-1 - front| | |ESP32-DevKitM-1 - isometric| | 
++---------------------------+-------------------------------+
+|  ESP32-DevKitM-1 - front  |  ESP32-DevKitM-1 - isometric  | 
++---------------------------+-------------------------------+
+
+.. |ESP32-DevKitM-1 - front| image:: ../../../_static/esp32-DevKitM-1-front.png
+
+.. |ESP32-DevKitM-1 - isometric| image:: ../../../_static/esp32-DevKitM-1-isometric.png
+
+
+
+The document consists of the following major sections:
+
+- `Getting started`_: Provides an overview of the ESP32-DevKitM-1 and hardware/software setup instructions to get started.
+- `Hardware reference`_: Provides more detailed information about the ESP32-DevKitM-1's hardware.
+- `Related Documents`_: Gives links to related documentaiton.
+
+Getting Started 
+===================
+
+This section describes how to get started with ESP32-DevKitM-1. It begins with a few introductory sections about the ESP32-DevKitM-1, then Section `Start Application Development`_ provides instructions on how to do the initial hardware setup and then how to flash firmware onto the ESP32-DevKitM-1.
+
+
+Overview 
+-------------
+
+
+This is a small and convenient development board that features:
+
+- `ESP32-MINI-1 module <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf>`_
+- USB-to-serial programming interface that also provides power supply for the board
+- pin headers
+- pushbuttons for reset and activation of Firmware Download mode
+- a few other components
+
+
+Contents and Packaging 
+--------------------------
+
+Retail orders 
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If you order a few samples, each ESP32-DevKitM-1 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 
+----------------------------
+
+The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitM-1 board.
+
+
+.. figure:: ../../../_static/esp32-devkitm-1-v1-annotated-photo.png
+    :align: center
+    :alt: ESP32-DevKitM-1 - front
+    :figclass: align-center
+
+    ESP32-DevKitM-1 - front
+
+
+.. list-table::
+    :widths: 25 75
+    :header-rows: 1
+
+    * - Key Component
+      - Description
+    * - ESP32-MINI-1
+      - ESP32-MINI-1 is a powerful module with 4 MB Flash and a PCB antenna. For details, please see `ESP32-MINI-1 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf>`_.
+    * - 5 V to 3.3 V LDO
+      - Power regulator converts 5 V to 3.3 V.
+    * - Boot Button
+      - Download button. Holding down **Boot** and then pressing **Reset** initiates Firmware Download mode for downloading firmware through the serial port.
+    * - 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 chip.
+    * - USB-to-UART Bridge
+      - Single USB-UART bridge chip provides transfer rates up to 3 Mbps.
+    * - 3.3 V Power On LED
+      - Turns on when the USB is connected to the board. For details, please see the schematics in `Related Documents`_.
+    * - 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 chip to enable multiple functions.
+
+
+
+Start Application Development 
+----------------------------------
+
+Before powering up your ESP32-DevKitM-1, please make sure that it is in good condition with no obvious signs of damage.
+
+
+Required Hardware 
+^^^^^^^^^^^^^^^^^^^^^^
+
+- ESP32-DevKitM-1 
+- 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 onto your ESP32-DevKitM-1.
+
+
+Hardware Reference 
+======================
+
+Block Diagram 
+----------------------
+
+A block diagram below shows the components of ESP32-DevKitM-1 and their interconnections.
+
+.. figure:: ../../../_static/esp32-DevKitM-1_v1_SystemBlock.png
+    :align: center
+    :alt: ESP32-DevKitM-1 
+    :figclass: align-center
+
+    ESP32-DevKitM-1 
+
+
+Power Source Select 
+----------------------
+
+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
+
+.. warning::
+
+    - The power supply must be provided using **one and only one of the options above**, otherwise the board and/or the power supply source can be damaged.
+    - Power supply by micro USB port is recommended.
+
+
+Pin Descriptions
+-------------------
+
+The table below provides the Name and Function of pins on both sides of the board. For peripheral pin configurations, please refer to `ESP32 Datasheet`_.
+
+
+.. list-table::     
+   :header-rows: 1      
+   :widths: 10 12 12 66           
+      
+      
+   * - No.
+     - Name 
+     - Type 
+     - Function     
+   * - 1
+     - GND 
+     - P 
+     - Ground      
+   * - 2
+     - 3V3 
+     - P 
+     - 3.3 V power supply      
+   * - 3
+     - I36 
+     - I 
+     - GPIO36, ADC1_CH0, RTC_GPIO0      
+   * - 4
+     - I37 
+     - I 
+     - GPIO37, ADC1_CH1, RTC_GPIO1       
+   * - 5
+     - I38 
+     - I 
+     - GPIO38, ADC1_CH2, RTC_GPIO2       
+   * - 6
+     - I39 
+     - I 
+     - GPIO39, ADC1_CH3, RTC_GPIO3       
+   * - 7
+     - RST
+     - I
+     - Reset; High: enable; Low: powers off       
+   * - 8
+     - I34 
+     - I 
+     - GPIO34, ADC1_CH6, RTC_GPIO4       
+   * - 9
+     - I35 
+     - I 
+     - GPIO35, ADC1_CH7, RTC_GPIO5       
+   * - 10
+     - IO32 
+     - I/O 
+     - GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9, RTC_GPIO9       
+   * - 11
+     - IO33 
+     - I/O 
+     - GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8, RTC_GPIO8     
+   * - 12
+     - IO25 
+     - I/O 
+     - GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0       
+   * - 13
+     - IO26 
+     - I/O 
+     - GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1       
+   * - 14
+     - IO27 
+     - I/O 
+     - GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV      
+   * - 15
+     - IO14 
+     - I/O 
+     - GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2      
+   * - 16
+     - 5V
+     - P 
+     - 5 V power supply      
+   * - 17
+     - IO12 
+     - I/O 
+     - GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3       
+   * - 18
+     - IO13 
+     - I/O 
+     - GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER      
+   * - 19
+     - IO15 
+     - I/O 
+     - GPIO15, ADC2_CH3, TOUCH3, RTC_GPIO13, MTDO, HSPICS0, HS2_CMD, SD_CMD, EMAC_RXD3      
+   * - 20
+     - IO2 
+     - I/O 
+     - GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0      
+   * - 21
+     - IO0 
+     - I/O 
+     - GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK      
+   * - 22
+     - IO4 
+     - I/O 
+     - GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER      
+   * - 23
+     - IO9 
+     - I/O 
+     - GPIO9, HS1_DATA2, U1RXD, SD_DATA2       
+   * - 24
+     - IO10 
+     - I/O 
+     - GPIO10, HS1_DATA3, U1TXD, SD_DATA3     
+   * - 25
+     - IO5 
+     - I/O 
+     - GPIO5, HS1_DATA6, VSPICS0, EMAC_RX_CLK      
+   * - 26
+     - IO18 
+     - I/O 
+     - GPIO18, HS1_DATA7, VSPICLK      
+   * - 27
+     - IO23 
+     - I/O 
+     - GPIO23, HS1_STROBE, VSPID       
+   * - 28
+     - IO19 
+     - I/O 
+     - GPIO19, VSPIQ, U0CTS, EMAC_TXD0       
+   * - 29
+     - IO22 
+     - I/O 
+     - GPIO22, VSPIWP, U0RTS, EMAC_TXD1      
+   * - 30
+     - IO21 
+     - I/O 
+     - GPIO21, VSPIHD, EMAC_TX_EN     
+   * - 31
+     - TXD0 
+     - I/O 
+     - GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2      
+   * - 32
+     - RXD0 
+     - I/O 
+     - GPIO3, U0RXD, CLK_OUT2      
+
+
+Hardware Revision Details
+============================
+
+No previous versions available.
+
+
+Related Documents 
+============================
+
+* `ESP32-MINI-1 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf>`_ (PDF) 
+* `ESP32-DevKitM-1 Schematics <https://dl.espressif.com/dl/schematics/SCH_ESP32-DEVKITM-1_V1_20200910A.pdf>`_ (PDF)
+* `ESP32-DevKitM-1 PCB layout <https://dl.espressif.com/dl/schematics/PCB_ESP32-DevKitM-1_V1_20200910AE.pdf>`_ (PDF)
+* `ESP32-DevKitM-1 layout <https://dl.espressif.com/dl/schematics/ESP32-DevKitM-1_V1.dxf>`_ (DXF) - You can view it with `Autodesk Viewer <https://viewer.autodesk.com/>`_ online
+* `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF) 
+* `ESP32 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf>`_ (PDF)
+
+For other design documentation for the board, please contact us at sales@espressif.com.

+ 1 - 0
docs/zh_CN/get-started/index.rst

@@ -91,6 +91,7 @@
         ESP32-DevKit-S(-R) <../hw-reference/esp32/user-guide-devkits-r-v1.1>
         ESP32-PICO-KIT-1 <../hw-reference/esp32/get-started-pico-kit-1>
         ESP32-PICO-DevKitM-2 <../hw-reference/esp32/get-started-pico-devkitm-2>
+        ESP32-DevKitM-1 <../hw-reference/esp32/user-guide-devkitm-1>
 
 .. only:: esp32s2
 

+ 318 - 0
docs/zh_CN/hw-reference/esp32/user-guide-devkitm-1.rst

@@ -0,0 +1,318 @@
+===================
+ ESP32-DevKitM-1
+===================
+
+:link_to_translation:`en: [English]`
+
+本指南将介绍如何使用 ESP32-DevKitM-1,并提供更多关于此开发板的信息。
+
+ESP32-DevKitM-1 是乐鑫推出的一款基于 ESP32-MINI-1 模组的入门级开发板。板上模组大部分管脚均已引出至两侧排针,用户可根据实际需求,通过跳线轻松连接多种外围设备,同时也可将开发板插在面包板上使用。
+
+
++------------------------+-------------------------+
+| |ESP32-DevKitM-1-正面| | |ESP32-DevKitM-1-侧面|  | 
++------------------------+-------------------------+
+|  ESP32-DevKitM-1-正面  |  ESP32-DevKitM-1-侧面   | 
++------------------------+-------------------------+
+
+.. |ESP32-DevKitM-1-正面| image:: ../../../_static/esp32-DevKitM-1-front.png
+
+.. |ESP32-DevKitM-1-侧面| image:: ../../../_static/esp32-DevKitM-1-isometric.png
+
+
+本指南包括:
+
+- `快速入门`_:提供 ESP32-DevKitM-1 的简要概述及必要的硬件和软件信息。
+- `硬件参考`_:提供 ESP32-DevKitM-1 的详细硬件信息。
+- `相关文档`_:提供相关文档的链接。
+
+
+快速入门
+===========
+
+本节介绍如何开始使用 ESP32-DevKitM-1,主要包括三大部分:首先,介绍一些关于 ESP32-DevKitM-1 的基本信息,然后在  `应用程序开发`_ 章节介绍如何进行硬件初始化,最后介绍如何为 ESP32-DevKitM-1 烧录固件。
+
+
+概述
+-------
+
+ESP32-DevKitM-1 开发板是一款小巧实用的开发板,具备以下特色功能:
+
+- 集成了 `ESP32-MINI-1 <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_ 模组
+- USB 转串口编程接口同时可为开发板供电
+- 设有排针
+- 设有重置按钮和固件下载模式激活按钮
+- 以及其他组件
+
+
+
+内含组件和包装
+---------------
+
+零售订单
+^^^^^^^^^^^
+
+如购买样品,每个 ESP32-DevKitM-1 底板将以防静电袋或零售商选择的其他方式包装。
+
+零售订单请前往 https://www.espressif.com/zh-hans/company/contact/buy-a-sample。
+
+
+批量订单
+^^^^^^^^^^^
+
+如批量购买,ESP32-DevKitM-1 烧录底板将以大纸板箱包装。
+
+批量订单请参考 `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`__ (PDF)。
+
+
+组件介绍 
+-----------
+
+ESP32-DevKitM-1 开发板的主要组件、接口及控制方式见下。
+
+
+.. figure:: ../../../_static/esp32-devkitm-1-v1-annotated-photo.png
+    :align: center
+    :alt: ESP32-DevKitM-1 - 正面
+    :figclass: align-center
+
+    ESP32-DevKitM-1 - 正面
+
+
+.. list-table::
+    :widths: 25 75
+    :header-rows: 1
+
+    * - 主要组件
+      - 基本介绍
+    * - ESP32-MINI-1
+      - ESP32-MINI-1(4MB Flash,PCB Antenna)模组。更多详情,请见 `《ESP32-MINI-1 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_
+    * - 5 V 转 3.3 V LDO
+      - 电源转换器,输入 5 V,输出 3.3 V
+    * - Boot 键
+      - 下载按键。按下 **Boot** 键的同时按一下 **Reset** 键进入“固件下载”模式,通过串口下载固件
+    * - Reset 键
+      - 复位按键
+    * - Micro-USB 接口
+      - USB 接口,可用作开发板的供电电源或 PC 和 ESP32 芯片的通信接口
+    * - USB 至 UART 桥接器
+      - 单芯片 USB 至 UART 桥接器,可提供高达 3 Mbps 的传输速率
+    * - 3.3 V 电源指示灯
+      - 开发板连接 USB 电源后,该指示灯亮起。更多信息,请见 `相关文档`_ 中的原理图
+    * - I/O 连接器
+      - 所有可用 GPIO 管脚(除 Flash 的 SPI 总线)均已引出至开发板的排针。用户可对 ESP32 芯片编程,开发多种功能
+
+
+
+应用程序开发
+---------------
+
+ESP32-DevKitM-1 上电前,请首先确认开发板完好无损。
+
+
+硬件准备
+^^^^^^^^^^^^
+
+- ESP32-DevKitM-1 开发板
+- USB A / micro USB B 数据线
+- PC(Windows、Linux 或 Mac OS)
+
+
+软件设置
+^^^^^^^^^^^
+
+现在,请前往 :doc:`../../get-started/index` 中的 :ref:`get-started-step-by-step` 章节,查看如何设置开发环境,并尝试将示例项目烧录至您的开发板。
+
+ 
+硬件参考
+===========
+
+功能框图
+----------
+
+ESP32-DevKitM-1 的主要组件和连接方式如下图所示。
+
+.. figure:: ../../../_static/esp32-DevKitM-1_v1_SystemBlock.png
+    :align: center
+    :alt: ESP32-DevKitM-1 
+    :figclass: align-center
+
+    ESP32-DevKitM-1 
+
+
+电源选项
+----------
+
+开发板可从以下三种供电方式中任选其一:
+
+* Micro USB 供电(默认)
+* 5V / GND 管脚供电
+* 3V3 / GND 管脚供电
+
+.. warning::
+
+  - 上述供电模式 **不可同时连接**,否则可能会损坏开发板和/或电源。
+  - 建议选择第一种供电方式:Micro USB 端口供电。
+
+
+管脚描述
+----------
+
+开发板两侧 I/O 管脚,其具体名称和功能见下表。外设管脚分配请参考 `《ESP32 技术规格书》`_。
+
+.. list-table::     
+   :header-rows: 1      
+   :widths: 10 12 12 66            
+      
+      
+   * - 编号
+     - 名称 
+     - 类型
+     - 功能     
+   * - 1
+     - GND 
+     - P 
+     - 接地     
+   * - 2
+     - 3V3 
+     - P 
+     - 3.3 V 电源     
+   * - 3
+     - I36 
+     - I 
+     - GPIO36, ADC1_CH0, RTC_GPIO0      
+   * - 4
+     - I37 
+     - I 
+     - GPIO37, ADC1_CH1, RTC_GPIO1       
+   * - 5
+     - I38 
+     - I 
+     - GPIO38, ADC1_CH2, RTC_GPIO2       
+   * - 6
+     - I39 
+     - I 
+     - GPIO39, ADC1_CH3, RTC_GPIO3       
+   * - 7
+     - RST
+     - I
+     - 复位;高电平:使能;低电平:关闭       
+   * - 8
+     - I34 
+     - I 
+     - GPIO34, ADC1_CH6, RTC_GPIO4       
+   * - 9
+     - I35 
+     - I 
+     - GPIO35, ADC1_CH7, RTC_GPIO5       
+   * - 10
+     - IO32 
+     - I/O 
+     - GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9, RTC_GPIO9       
+   * - 11
+     - IO33 
+     - I/O 
+     - GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8, RTC_GPIO8     
+   * - 12
+     - IO25 
+     - I/O 
+     - GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0       
+   * - 13
+     - IO26 
+     - I/O 
+     - GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1       
+   * - 14
+     - IO27 
+     - I/O 
+     - GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV      
+   * - 15
+     - IO14 
+     - I/O 
+     - GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2      
+   * - 16
+     - 5V
+     - P 
+     - 5 V 电源      
+   * - 17
+     - IO12 
+     - I/O 
+     - GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3       
+   * - 18
+     - IO13 
+     - I/O 
+     - GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER      
+   * - 19
+     - IO15 
+     - I/O 
+     - GPIO15, ADC2_CH3, TOUCH3, RTC_GPIO13, MTDO, HSPICS0, HS2_CMD, SD_CMD, EMAC_RXD3      
+   * - 20
+     - IO2 
+     - I/O 
+     - GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0      
+   * - 21
+     - IO0 
+     - I/O 
+     - GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK      
+   * - 22
+     - IO4 
+     - I/O 
+     - GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER      
+   * - 23
+     - IO9 
+     - I/O 
+     - GPIO9, HS1_DATA2, U1RXD, SD_DATA2       
+   * - 24
+     - IO10 
+     - I/O 
+     - GPIO10, HS1_DATA3, U1TXD, SD_DATA3     
+   * - 25
+     - IO5 
+     - I/O 
+     - GPIO5, HS1_DATA6, VSPICS0, EMAC_RX_CLK      
+   * - 26
+     - IO18 
+     - I/O 
+     - GPIO18, HS1_DATA7, VSPICLK      
+   * - 27
+     - IO23 
+     - I/O 
+     - GPIO23, HS1_STROBE, VSPID       
+   * - 28
+     - IO19 
+     - I/O 
+     - GPIO19, VSPIQ, U0CTS, EMAC_TXD0       
+   * - 29
+     - IO22 
+     - I/O 
+     - GPIO22, VSPIWP, U0RTS, EMAC_TXD1      
+   * - 30
+     - IO21 
+     - I/O 
+     - GPIO21, VSPIHD, EMAC_TX_EN     
+   * - 31
+     - TXD0 
+     - I/O 
+     - GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2      
+   * - 32
+     - RXD0 
+     - I/O 
+     - GPIO3, U0RXD, CLK_OUT2     
+
+
+硬件修订历史
+===============
+
+尚无版本升级历史。
+
+
+相关文档
+============
+
+* `《ESP32-MINI-1 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_ (PDF)
+* `ESP32-DevKitM-1 原理图 <https://dl.espressif.com/dl/schematics/SCH_ESP32-DEVKITM-1_V1_20200910A.pdf>`_ (PDF)
+* `ESP32-DevKitM-1 PCB 布局图 <https://dl.espressif.com/dl/schematics/PCB_ESP32-DevKitM-1_V1_20200910AE.pdf>`_ (PDF)
+* `ESP32-DevKitM-1 布局图 <https://dl.espressif.com/dl/schematics/ESP32-DevKitM-1_V1.dxf>`_ (DXF) - 可使用 `Autodesk Viewer <https://viewer.autodesk.com/>`_ 查看
+* `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF)
+* `《ESP32 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf>`_ (PDF)
+
+有关本开发板的更多设计文档,请联系我们的商务部门 sales@espressif.com。