2021-01-05 04:32:08 +00:00
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===================
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2023-08-10 04:09:21 +00:00
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ESP32-DevKitM-1
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2021-01-05 04:32:08 +00:00
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===================
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:link_to_translation:`en: [English]`
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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。
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2023-10-13 19:55:41 +00:00
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ESP32-DevKitM-1 是乐鑫推出的一款基于 ESP32-MINI-1/1U 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。
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2021-01-05 04:32:08 +00:00
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+------------------------+-------------------------+
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2022-09-05 08:23:54 +00:00
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| |ESP32-DevKitM-1-正面| | |ESP32-DevKitM-1-侧面| |
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2021-01-05 04:32:08 +00:00
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+------------------------+-------------------------+
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2022-09-05 08:23:54 +00:00
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| ESP32-DevKitM-1-正面 | ESP32-DevKitM-1-侧面 |
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2021-01-05 04:32:08 +00:00
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+------------------------+-------------------------+
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.. |ESP32-DevKitM-1-正面| image:: ../../../_static/esp32-DevKitM-1-front.png
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.. |ESP32-DevKitM-1-侧面| image:: ../../../_static/esp32-DevKitM-1-isometric.png
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本指南包括:
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- `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。
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- `硬件参考`_:提供 ESP32-DevKitM-1 的详细硬件信息。
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- `相关文档`_:提供相关文档的链接。
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快速入门
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===========
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2021-07-22 07:41:30 +00:00
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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。
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2021-01-05 04:32:08 +00:00
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概述
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-------
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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:
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2021-07-22 07:41:30 +00:00
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- 集成了 `ESP32-MINI-1 或 ESP32-MINI-1U <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_ 模组
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2021-01-05 04:32:08 +00:00
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- USB 转串口编程接口同时可为开发板供电
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- 设有排针
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- 设有重置按钮和固件下载模式激活按钮
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- 以及其他组件
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内含组件和包装
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---------------
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零售订单
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^^^^^^^^^^^
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2021-07-22 07:41:30 +00:00
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如购买样品,每个 ESP32-DevKitM-1 开发板将以防静电袋或零售商选择的其他方式包装。
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2021-01-05 04:32:08 +00:00
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零售订单请前往 https://www.espressif.com/zh-hans/company/contact/buy-a-sample。
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批量订单
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^^^^^^^^^^^
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2021-07-22 07:41:30 +00:00
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如批量购买,ESP32-DevKitM-1 开发板将以大纸板箱包装。
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2021-01-05 04:32:08 +00:00
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2021-07-22 07:41:30 +00:00
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批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
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2021-01-05 04:32:08 +00:00
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2023-08-10 04:09:21 +00:00
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2022-09-05 08:23:54 +00:00
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组件介绍
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-----------
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2021-07-22 07:41:30 +00:00
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ESP32-DevKitM-1 开发板的主要组件、接口及控制方式见下图。下文以板载 ESP32-MINI-1 的开发板为例进行说明。
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2021-01-05 04:32:08 +00:00
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.. figure:: ../../../_static/esp32-devkitm-1-v1-annotated-photo.png
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:align: center
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:alt: ESP32-DevKitM-1 - 正面
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:figclass: align-center
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ESP32-DevKitM-1 - 正面
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.. list-table::
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:widths: 25 75
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:header-rows: 1
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* - 主要组件
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- 基本介绍
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2021-07-22 07:41:30 +00:00
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* - 板载模组
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- ESP32-MINI-1 模组或 ESP32-MINI-1U 模组。ESP32-MINI-1 带有板载 PCB 天线;ESP32-MINI-1U 带有外部天线连接器。两款模组内置的芯片均叠封 4 MB flash。更多详情,请见 `《ESP32-MINI-1 & ESP32-MINI-1U 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_
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2021-01-05 04:32:08 +00:00
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* - 5 V 转 3.3 V LDO
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- 电源转换器,输入 5 V,输出 3.3 V
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* - Boot 键
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- 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
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* - Reset 键
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- 复位按键
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* - Micro-USB 接口
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- 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
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* - USB 至 UART 桥接器
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- 单芯片 USB 至 UART 桥接器,可提供高达 3 Mbps 的传输速率
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* - 3.3 V 电源指示灯
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- 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
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* - I/O 连接器
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- 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
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应用程序开发
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---------------
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ESP32-DevKitM-1 上电前,请首先确认开发板完好无损。
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硬件准备
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^^^^^^^^^^^^
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- ESP32-DevKitM-1 开发板
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- USB A / micro USB B 数据线
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2022-01-07 08:11:01 +00:00
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- PC(Windows、Linux 或 macS)
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软件设置
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^^^^^^^^^^^
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2023-08-10 04:09:21 +00:00
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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你的开发板。
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2021-01-05 04:32:08 +00:00
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2021-07-22 07:41:30 +00:00
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.. attention::
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2023-08-10 04:09:21 +00:00
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对于 2021 年 12 月 2 日之前生产的 ESP32-DevKitM-1,其搭载的模组为单核 MCU 模组。请查看 `PCN-2021-021 <https://www.espressif.com/sites/default/files/pcn_downloads/PCN-2021-021%20ESP32-U4WDH%20%E5%8D%87%E7%BA%A7%E4%B8%BA%E5%8F%8C%E6%A0%B8%E5%A4%84%E7%90%86%E5%99%A8%E4%BA%A7%E5%93%81.pdf>`_ 以确定开发板上搭载的模组是否为单核模组。对于搭载单核模组的开发板,烧录应用程序前,需要在 :ref:`menuconfig <get-started-configure>` 中启用单核模式 (:ref:`CONFIG_FREERTOS_UNICORE`)。
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2021-07-22 07:41:30 +00:00
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2021-01-05 04:32:08 +00:00
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硬件参考
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===========
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功能框图
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----------
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ESP32-DevKitM-1 的主要组件和连接方式如下图所示。
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.. figure:: ../../../_static/esp32-DevKitM-1_v1_SystemBlock.png
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:align: center
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2022-09-05 08:23:54 +00:00
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:alt: ESP32-DevKitM-1
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:figclass: align-center
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2022-09-05 08:23:54 +00:00
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ESP32-DevKitM-1
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2021-01-05 04:32:08 +00:00
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电源选项
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----------
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开发板可从以下三种供电方式中任选其一:
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* Micro USB 供电(默认)
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* 5V / GND 管脚供电
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* 3V3 / GND 管脚供电
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.. warning::
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- 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。
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- 建议选择第一种供电方式:Micro USB 端口供电。
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管脚描述
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----------
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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》`_。
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2022-09-05 08:23:54 +00:00
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.. list-table::
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:header-rows: 1
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:widths: 10 12 12 66
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2021-01-05 04:32:08 +00:00
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* - 编号
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- 名称
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2022-08-11 11:11:02 +00:00
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- 类型 [1]_
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- 功能
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* - 1
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- GND
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- P
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- 接地
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* - 2
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- 3V3
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- P
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- 3.3 V 电源
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* - 3
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- I36
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- I
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- GPIO36, ADC1_CH0, RTC_GPIO0
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* - 4
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- I37
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- I
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- GPIO37, ADC1_CH1, RTC_GPIO1
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* - 5
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- I38
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- I
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- GPIO38, ADC1_CH2, RTC_GPIO2
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* - 6
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- I39
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- I
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- GPIO39, ADC1_CH3, RTC_GPIO3
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* - 7
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- RST
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- I
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2022-09-05 08:23:54 +00:00
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- 复位;高电平:使能;低电平:关闭
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* - 8
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2022-09-05 08:23:54 +00:00
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- I34
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- I
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- GPIO34, ADC1_CH6, RTC_GPIO4
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* - 9
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- I35
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- I
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- GPIO35, ADC1_CH7, RTC_GPIO5
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* - 10
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2022-09-05 08:23:54 +00:00
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- IO32
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- I/O
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- GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9, RTC_GPIO9
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* - 11
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- IO33
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- I/O
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- GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8, RTC_GPIO8
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* - 12
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- IO25
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- I/O
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- GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0
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* - 13
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2022-09-05 08:23:54 +00:00
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- IO26
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- I/O
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- GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1
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* - 14
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- IO27
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- I/O
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- GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV
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* - 15
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- IO14
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- I/O
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- GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2
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2021-01-05 04:32:08 +00:00
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* - 16
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- 5V
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- P
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- 5 V 电源
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* - 17
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- IO12
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- I/O
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- GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI [2]_, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3
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2021-01-05 04:32:08 +00:00
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* - 18
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2022-09-05 08:23:54 +00:00
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- IO13
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- I/O
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- GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER
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2021-01-05 04:32:08 +00:00
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* - 19
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2022-09-05 08:23:54 +00:00
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- IO15
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- I/O
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- GPIO15, ADC2_CH3, TOUCH3, RTC_GPIO13, MTDO [2]_, HSPICS0, HS2_CMD, SD_CMD, EMAC_RXD3
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2021-01-05 04:32:08 +00:00
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* - 20
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2022-09-05 08:23:54 +00:00
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- IO2
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- I/O
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- GPIO2 [2]_, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0
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2021-01-05 04:32:08 +00:00
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* - 21
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2022-09-05 08:23:54 +00:00
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- IO0
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- I/O
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- GPIO0 [2]_, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK
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2021-01-05 04:32:08 +00:00
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* - 22
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2022-09-05 08:23:54 +00:00
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- IO4
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- I/O
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- GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER
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2021-01-05 04:32:08 +00:00
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* - 23
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2022-09-05 08:23:54 +00:00
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- IO9
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- I/O
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- GPIO9, HS1_DATA2, U1RXD, SD_DATA2
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2021-01-05 04:32:08 +00:00
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* - 24
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2022-09-05 08:23:54 +00:00
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- IO10
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- I/O
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- GPIO10, HS1_DATA3, U1TXD, SD_DATA3
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2021-01-05 04:32:08 +00:00
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* - 25
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2022-09-05 08:23:54 +00:00
|
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- IO5
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- I/O
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- GPIO5 [2]_, HS1_DATA6, VSPICS0, EMAC_RX_CLK
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2021-01-05 04:32:08 +00:00
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* - 26
|
2022-09-05 08:23:54 +00:00
|
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- IO18
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- I/O
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- GPIO18, HS1_DATA7, VSPICLK
|
2021-01-05 04:32:08 +00:00
|
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* - 27
|
2022-09-05 08:23:54 +00:00
|
|
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- IO23
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- I/O
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|
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- GPIO23, HS1_STROBE, VSPID
|
2021-01-05 04:32:08 +00:00
|
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* - 28
|
2022-09-05 08:23:54 +00:00
|
|
|
|
- IO19
|
|
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- I/O
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|
|
|
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- GPIO19, VSPIQ, U0CTS, EMAC_TXD0
|
2021-01-05 04:32:08 +00:00
|
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* - 29
|
2022-09-05 08:23:54 +00:00
|
|
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|
- IO22
|
|
|
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|
- I/O
|
|
|
|
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- GPIO22, VSPIWP, U0RTS, EMAC_TXD1
|
2021-01-05 04:32:08 +00:00
|
|
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* - 30
|
2022-09-05 08:23:54 +00:00
|
|
|
|
- IO21
|
|
|
|
|
- I/O
|
|
|
|
|
- GPIO21, VSPIHD, EMAC_TX_EN
|
2021-01-05 04:32:08 +00:00
|
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|
* - 31
|
2022-09-05 08:23:54 +00:00
|
|
|
|
- TXD0
|
|
|
|
|
- I/O
|
|
|
|
|
- GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2
|
2021-01-05 04:32:08 +00:00
|
|
|
|
* - 32
|
2022-09-05 08:23:54 +00:00
|
|
|
|
- RXD0
|
|
|
|
|
- I/O
|
2022-08-11 11:11:02 +00:00
|
|
|
|
- GPIO3, U0RXD, CLK_OUT2
|
2021-01-05 04:32:08 +00:00
|
|
|
|
|
2022-08-11 11:11:02 +00:00
|
|
|
|
.. [1] P:电源;I:输入;O:输出。
|
|
|
|
|
.. [2] MTDI、GPIO0、GPIO2、MTDO 和 GPIO5 为 Strapping 管脚。在芯片上电和系统复位过程中,Strapping 管脚根据管脚的二进制电压值控制芯片功能。Strapping 管脚的具体描述和应用,请参考 `《ESP32 技术规格书》`_ > 章节 Strapping 管脚。
|
|
|
|
|
|
2023-08-10 04:09:21 +00:00
|
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|
|
|
2022-08-11 11:11:02 +00:00
|
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|
|
管脚布局
|
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|
|
^^^^^^^^
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|
|
.. figure:: ../../../_static/ESP32_DevKitM-1_pinlayout.png
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|
|
|
|
:align: center
|
|
|
|
|
:scale: 43%
|
|
|
|
|
:alt: ESP32-DevKitM-1 (点击放大)
|
|
|
|
|
:figclass: align-center
|
|
|
|
|
|
|
|
|
|
ESP32-DevKitM-1 (点击放大)
|
2021-01-05 04:32:08 +00:00
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|
|
2023-08-10 04:09:21 +00:00
|
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|
|
|
2021-01-05 04:32:08 +00:00
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|
|
硬件修订历史
|
|
|
|
|
===============
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尚无版本升级历史。
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相关文档
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|
============
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|
|
|
2021-07-22 07:41:30 +00:00
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|
|
* `《ESP32-MINI-1 & ESP32-MINI-1U 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_cn.pdf>`_ (PDF)
|
2021-01-05 04:32:08 +00:00
|
|
|
|
* `ESP32-DevKitM-1 原理图 <https://dl.espressif.com/dl/schematics/SCH_ESP32-DEVKITM-1_V1_20200910A.pdf>`_ (PDF)
|
|
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|
|
* `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
|
2021-07-22 07:41:30 +00:00
|
|
|
|
* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`_
|
2021-01-05 04:32:08 +00:00
|
|
|
|
* `《ESP32 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf>`_ (PDF)
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|
2022-09-05 08:23:54 +00:00
|
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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。
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