Add a note to ESP32-DevKtiM-1 User Guide, to enable single core mode

Add new module variants for ESP32-DevKitM-1 and ESP32-PICO-DevKitM-02 boards
Replace Ordering Information globally

docs/en/get-started/index.rst

@@ -469,7 +469,7 @@ You are using this menu to set up project specific variables, e.g. Wi-Fi network
 
     .. attention::
 
-        If you use ESP32-DevKitC board with the **ESP32-SOLO-1** module, enable single core mode (:ref:`CONFIG_FREERTOS_UNICORE`) in menuconfig before flashing examples.
+        If you use ESP32-DevKitC board with the **ESP32-SOLO-1** module, or ESP32-DevKitM-1 board with the **ESP32-MIN1-1(1U)** module, enable single core mode (:ref:`CONFIG_FREERTOS_UNICORE`) in menuconfig before flashing examples.
 
 .. note::
 

docs/en/hw-reference/esp32/get-started-devkitc.rst

@@ -37,7 +37,7 @@ To cover a wide range of user requirements, the following versions of ESP32-DevK
 
 - male or female pin headers.
 
-For details please refer to `Espressif Product Ordering Information`_.
+For details please refer to `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_.
 
 
 Functional Description
@@ -216,7 +216,7 @@ Related Documents
 * `ESP32-WROOM-32D and ESP32-WROOM-32U Datasheet`_ (PDF)
 * `ESP32-WROVER Datasheet`_ (PDF)
 * `ESP32-WROVER-B Datasheet`_ (PDF)
-* `Espressif Product Ordering Information`_ (PDF)
+* `ESP Product Selector`_ 
 
 For further design documentation for the board, please contact us at `sales@espressif.com <sales@espressif.com>`_.
 
@@ -226,7 +226,7 @@ For further design documentation for the board, please contact us at `sales@espr
 .. _ESP32-WROOM-32D and ESP32-WROOM-32U Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf
 .. _ESP32-WROVER Datasheet: https://espressif.com/sites/default/files/documentation/esp32-wrover_datasheet_en.pdf
 .. _ESP32-WROVER-B Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-wrover-b_datasheet_en.pdf
-.. _Espressif Product Ordering Information: https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf
+.. _ESP Product Selector: https://products.espressif.com/#/product-selector?names=
 
 .. toctree::
     :hidden:

docs/en/hw-reference/esp32/get-started-pico-devkitm-2.rst

@@ -8,9 +8,9 @@ Overview
 
 ESP32-PICO-DevKitM-2 is an ESP32-based development board produced by `Espressif <https://espressif.com>`_.
 
-The core of this board is `ESP32-PICO-MINI-02 <https://www.espressif.com/en/products/modules>`_ module with complete Wi-Fi and Bluetooth functionalities. The development board features a USB-to-UART Bridge circuit which allows developers to connect the board to a computer's USB port for flashing and debugging.
+The core of this board is `ESP32-PICO-MINI-02(02U) <https://www.espressif.com/en/products/modules>`_ module with complete Wi-Fi and Bluetooth functionalities. The development board features a USB-to-UART Bridge circuit which allows developers to connect the board to a computer's USB port for flashing and debugging.
 
-All the IO signals and system power on ESP32-PICO-MINI-02 are led out to two rows of 18 x 0.1" header pads on both sides of the development board for easy access. For compatibility with Dupont wires, all header pads are populated with two rows of male pin headers. 
+All the IO signals and system power on ESP32-PICO-MINI-02(02U) are led out to two rows of 18 x 0.1" header pads on both sides of the development board for easy access. For compatibility with Dupont wires, all header pads are populated with two rows of male pin headers. 
 
 .. note::
 
@@ -44,7 +44,7 @@ This section describes how to get started with the ESP32-PICO-DevKitM-2. It begi
 Description of Components
 -----------------------------
 
-The following figure and the table below describe the key components, interfaces, and controls of the ESP32-PICO-DevKitM-2 board.
+The following figure and the table below describe the key components, interfaces, and controls of the ESP32-PICO-DevKitM-2 board. We take the board with a ESP32-PICO-MINI-02 module as an example in the following sections.
 
 .. figure:: ../../../_static/esp32-pico-devkitm-2-layout-front.png
     :align: center
@@ -59,7 +59,7 @@ Below is the description of the items identified in the figure starting from the
 ==================  =================================================================================================================================
 Key Component       Description
 ==================  =================================================================================================================================
-ESP32-PICO-MINI-02       Standard ESP32-PICO-MINI-02 module soldered to the ESP32-PICO-DevKitM-2 board. The complete ESP32 system on a chip (ESP32 SoC) has been integrated into the module.
+ESP32-PICO-MINI-02       Standard ESP32-PICO-MINI-02 module soldered to the ESP32-PICO-DevKitM-2 board. The complete ESP32 system on a chip (ESP32 SoC) has been integrated into the module. Users can also select the board with ESP32-PICO-MINI-02U soldered.
 
 LDO                 5V-to-3.3V Low dropout voltage regulator (LDO).
 
@@ -111,7 +111,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Hardware Reference
 =======================
@@ -346,8 +346,8 @@ No previous versions available.
 Related Documents
 =========================
 
-* `ESP32-PICO-MINI-02 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-pico-mini-02_datasheet_en.pdf>`_ (PDF)
-* `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF) 
+* `ESP32-PICO-MINI-02 & ESP32-PICO-MINI-1U Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-pico-mini-02_datasheet_en.pdf>`_ (PDF)
+* `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_
 * `ESP32-PICO-DevKitM-2 Schematic <https://dl.espressif.com/dl/schematics/SCH_ESP32-PICO-DEVKITM-2_V1_0_20200812A.pdf>`_ (PDF)
 * `ESP32-PICO-DevKitM-2 PCB Layout <https://dl.espressif.com/dl/schematics/PCB_ESP32-PICO-DevKitM-2_V1.0_20200812.pdf>`_ (PDF)
 

docs/en/hw-reference/esp32/get-started-pico-kit-1.rst

@@ -120,7 +120,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Hardware Reference
 ===================
@@ -357,7 +357,7 @@ Related Documents
 ===================
 
 * `ESP32-PICO-V3 Datasheet <http://espressif.com/sites/default/files/documentation/esp32-pico-v3_datasheet_en.pdf>`_ (PDF)
-* `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF) 
+* `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_
 * `ESP32-PICO-KIT-1 Schematic <https://dl.espressif.com/dl/schematics/SCH_ESP32-PICO-KIT-1_V1_0_20200811A.pdf>`_ (PDF)
 * `ESP32-PICO-KIT-1 PCB Layout <https://dl.espressif.com/dl/schematics/PCB_ESP32-PICO-KIT-1_V1.0_20200811.pdf>`_ (PDF)
 

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

@@ -6,7 +6,7 @@
 
 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 is an ESP32-MINI-1(1U)-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.
 
 
 +---------------------------+-------------------------------+
@@ -39,7 +39,7 @@ 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>`_
+- `ESP32-MINI-1, or ESP32-MINI-1U 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
@@ -62,13 +62,12 @@ 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)
-
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Description of Components 
 ----------------------------
 
-The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitM-1 board.
+The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitM-1 board. We take the board with a ESP32-MINI-1 module as an example in the following sections.
 
 
 .. figure:: ../../../_static/esp32-devkitm-1-v1-annotated-photo.png
@@ -85,8 +84,8 @@ The following figure and the table below describe the key components, interfaces
 
     * - 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>`_.
+    * - On-board module
+      - ESP32-MINI-1 module or ESP32-MINI-1U module. ESP32-MINI-1 comes with an on-board PCB antenna. ESP32-MINI-1U comes with an external antenna connector. The two modules both have a 4 MB flash in chip package. For details, please see `ESP32-MINI-1 & ESP32-MINI-1U 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
@@ -123,6 +122,9 @@ 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.
 
+.. attention::
+
+    ESP32-DevKitM-1 is a board with a single core module, please enable single core mode (:ref:`CONFIG_FREERTOS_UNICORE`) in :ref:`menuconfig <get-started-configure>` before flashing your applications.
 
 Hardware Reference 
 ======================
@@ -309,11 +311,11 @@ 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-MINI-1 & ESP32-MINI-1U 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)
+* `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_
 
 For other design documentation for the board, please contact us at sales@espressif.com.

docs/en/hw-reference/esp32/user-guide-devkits-r-v1.1.rst

@@ -174,8 +174,7 @@ 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).
-
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Hardware Reference
 ==================
@@ -266,4 +265,4 @@ Related Documents
 - `ESP32-SOLO-1 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-solo-1_datasheet_en.pdf>`_ (PDF)
 - `ESP32-WROVER Datasheet <https://espressif.com/sites/default/files/documentation/esp32-wrover_datasheet_en.pdf>`_ (PDF)
 - `ESP32-WROVER-B Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-wrover-b_datasheet_en.pdf>`_ (PDF)
-- `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF) 
+- `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_ 

docs/en/hw-reference/esp32c3/user-guide-devkitc-02.rst

@@ -104,7 +104,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Hardware Reference
 ==================

docs/en/hw-reference/esp32c3/user-guide-devkitm-1.rst

@@ -101,7 +101,7 @@ 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).
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Hardware Reference
 ==================

docs/en/hw-reference/esp32s2/user-guide-devkitm-1-v1.rst

@@ -52,7 +52,7 @@ 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).
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Description of Components
 -------------------------
@@ -222,6 +222,6 @@ Related Documents
 * `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) 
+* `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_ 
 
 For other design documentation for the board, please contact us at sales@espressif.com.

docs/en/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit-v1.2.rst

@@ -244,7 +244,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 
 Hardware Reference
@@ -367,7 +367,7 @@ Related Documents
     user-guide-esp-lyrat-8311a_v1.2
 
 - `ESP32-S2-WROVER Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf>`_ (PDF)
-- `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
+- `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_
 - :doc:`../../api-guides/jtag-debugging/index`
 
 - `ESP32-S2-Kaluga-1 Schematic <https://dl.espressif.com/dl/schematics/ESP32-S2-Kaluga-1_V1_2_SCH_20200424A.pdf>`_ (PDF)

docs/en/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit.rst

@@ -265,7 +265,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 
 Hardware Reference
@@ -379,7 +379,7 @@ Related Documents
     user-guide-esp-lyrat-8311a_v1.3
 
 - `ESP32-S2-WROVER Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf>`_ (PDF)
-- `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
+- `ESP Product Selector <https://products.espressif.com/#/product-selector?names=>`_
 - :doc:`../../api-guides/jtag-debugging/index`
 
 - `ESP32-S2-Kaluga-1 Schematic <https://dl.espressif.com/dl/schematics/ESP32-S2-Kaluga-1_V1_3_SCH_20200526A.pdf>`_ (PDF)

docs/en/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst

@@ -54,7 +54,7 @@ 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)
+For wholesale orders, please go to https://www.espressif.com/en/contact-us/sales-questions.
 
 Description of Components
 -------------------------
@@ -220,7 +220,7 @@ Related Documents
 * `ESP32-S2 Datasheet`_ (PDF)
 * `ESP32-S2-WROVER and ESP32-S2-WROVER-I Datasheet`_ (PDF)
 * `ESP32-S2-WROOM and ESP32-S2-WROOM-I Datasheet`_ (PDF)
-* `Espressif Product Ordering Information`_ (PDF) 
+* `ESP Product Selector`_
 
 For other design documentation for the board, please contact us at sales@espressif.com.
 
@@ -229,4 +229,4 @@ For other design documentation for the board, please contact us at sales@espress
 .. _ESP32-S2 Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf
 .. _ESP32-S2-WROVER and ESP32-S2-WROVER-I Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf
 .. _ESP32-S2-WROOM and ESP32-S2-WROOM-I Datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf
-.. _Espressif Product Ordering Information: https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf
+.. _ESP Product Selector: https://products.espressif.com/#/product-selector?names=

docs/en/hw-reference/index.rst

@@ -13,6 +13,6 @@
     :esp32: Silicon Errata (PDF) <https://espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_en.pdf>
     Modules <https://www.espressif.com/en/products/modules>
     Development Boards <https://www.espressif.com/en/products/devkits>
-    Espressif Products Ordering Information (PDF) <http://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>
+    ESP Product Selector <https://products.espressif.com/#/product-selector?names=>
     Regulatory Certificates <https://www.espressif.com/en/certificates>
     Chip Series Comparison <chip-series-comparison>

docs/zh_CN/get-started/index.rst

@@ -457,7 +457,7 @@ Windows 操作系统
 
     .. attention::
 
-        如果您使用的是 ESP32-DevKitC（板载 ESP32-SOLO-1 模组），请在烧写示例程序前，前往 ``menuconfig`` 中使能单核模式（:ref:`CONFIG_FREERTOS_UNICORE`）。
+        如果您使用的是 ESP32-DevKitC（板载 ESP32-SOLO-1 模组）或 ESP32-DevKitM-1（板载 ESP32-MINI-1(1U) 模组），请在烧写示例程序前，前往 ``menuconfig`` 中使能单核模式（:ref:`CONFIG_FREERTOS_UNICORE`）。
 
 .. 注解::
 

docs/zh_CN/hw-reference/esp32/get-started-devkitc.rst

@@ -38,7 +38,7 @@ ESP32-DevKitC V4 是 `乐鑫 <https://espressif.com>`_ 一款基于 ESP32 的小
 
 - 可选排针或排母
 
-详情请见 `《乐鑫产品订购信息》 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_。
+详情请见 `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__。
 
 
 功能说明
@@ -146,7 +146,7 @@ ESP32-DevKitC 开发板尺寸 -- 仰视图
 * `《ESP32-WROOM-32D & ESP32-WROOM-32U 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_cn.pdf>`_ (PDF)
 * `《ESP32-WROVER 技术规格书》 <https://espressif.com/sites/default/files/documentation/esp32_wrover_datasheet_cn.pdf>`_ (PDF)
 * `《ESP32-WROVER-B 技术规格书》 <https://www.espressif.com/sites/default/files/documentation/esp32-wrover-b_datasheet_cn.pdf>`_ (PDF)
-* `《乐鑫产品订购信息》 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF)
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__
 
 .. toctree::
 	:hidden:

docs/zh_CN/hw-reference/esp32/get-started-pico-devkitm-2.rst

@@ -6,11 +6,11 @@ ESP32-PICO-DevKitM-2
 概述
 ======
 
-ESP32-PICO-DevKitM-2 是一款基于 `ESP32 <https://www.espressif.com/zh-hans/products/socs/esp32>`_ 的乐鑫开发板，板上搭载 `ESP32-PICO-MINI-02 <https://www.espressif.com/zh-hans/products/modules>`_ 模组。ESP32-PICO-MINI-02 模组具备完整的 Wi-Fi 和蓝牙功能。
+ESP32-PICO-DevKitM-2 是一款基于 `ESP32 <https://www.espressif.com/zh-hans/products/socs/esp32>`_ 的乐鑫开发板，板上搭载 `ESP32-PICO-MINI-02(02U) <https://www.espressif.com/zh-hans/products/modules>`_ 模组。ESP32-PICO-MINI-02(02U) 模组具备完整的 Wi-Fi 和蓝牙功能。
 
 ESP32-PICO-DevKitM-2 开发板同时集成了 USB-to-UART 桥接电路，方便开发人员直接通过 PC 的 USB 端口直接进行固件烧录和调试。
 
-为方便硬件连接，ESP32-PICO-MINI-02 上的所有 IO 信号和系统电源管脚均引出至开发板两侧焊盘 (18 x 0.1")。上述 18 个焊盘也均引出至排针，可使用杜邦线连接。
+为方便硬件连接，ESP32-PICO-MINI-02(02U) 上的所有 IO 信号和系统电源管脚均引出至开发板两侧焊盘 (18 x 0.1")。上述 18 个焊盘也均引出至排针，可使用杜邦线连接。
 
 .. note::
 
@@ -44,7 +44,7 @@ ESP32-PICO-DevKitM-2 为用户提供了基于 ESP32 芯片应用开发的硬件
 组件描述
 ----------
 
-ESP32-PICO-DevKitM-2 开发板的主要组件、接口及控制方式见下图。
+ESP32-PICO-DevKitM-2 开发板的主要组件、接口及控制方式见下图。下文以板载 ESP32-PICO-MINI-02 的开发板为例进行说明。
 
 .. figure:: ../../../_static/esp32-pico-devkitm-2-layout-front.png
     :align: center
@@ -63,7 +63,7 @@ ESP32-PICO-DevKitM-2 开发板的主要组件、接口及控制方式见下图
    * - 主要组件
      - 描述
    * - ESP32-PICO-MINI-02
-     - ESP32-PICO-DevKitM-2 开发板的板载模组，搭载 ESP32 SoC 芯片。
+     - ESP32-PICO-DevKitM-2 开发板的板载模组，搭载 ESP32 SoC 芯片。用户也可选择板载 ESP32-PICO-MINI-02U 的开发板。
    * - LDO
      - 5V 转 3.3V 低压差稳压器
    * - USB-to-UART
@@ -112,7 +112,7 @@ ESP32-PICO-DevKitM-2 开发板的主要组件、接口及控制方式见下图
 
 如批量购买，ESP32-PICO-DevKitM-2 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 硬件参考
 =============
@@ -347,8 +347,8 @@ Header J3
 相关文档
 =========
 
-* `ESP32-PICO-MINI-02 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-pico-mini-02_datasheet_cn.pdf>`_ (PDF)
-* `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF) 
+* `ESP32-PICO-MINI-02 & ESP32-PICO-MINI-02U 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-pico-mini-02_datasheet_cn.pdf>`_ (PDF)
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`_
 * `ESP32-PICO-DevKitM-2 原理图 <https://dl.espressif.com/dl/schematics/SCH_ESP32-PICO-DEVKITM-2_V1_0_20200812A.pdf>`_ (PDF)
 * `ESP32-PICO-DevKitM-2 PCB 布局图 <https://dl.espressif.com/dl/schematics/PCB_ESP32-PICO-DevKitM-2_V1.0_20200812.pdf>`_ (PDF)
 

docs/zh_CN/hw-reference/esp32/get-started-pico-kit-1.rst

@@ -123,7 +123,7 @@ ESP32-PICO-KIT-1 开发板的主要组件、接口及控制方式见下图。
 
 如批量购买，ESP32-PICO-KIT-1 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 硬件参考
 ========
@@ -359,7 +359,7 @@ Header J3
 =========
 
 * `ESP32-PICO-V3 技术规格书 <http://espressif.com/sites/default/files/documentation/esp32-pico-v3_datasheet_cn.pdf>`_ (PDF)
-* `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF) 
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__ 
 * `ESP32-PICO-KIT-1 原理图 <https://dl.espressif.com/dl/schematics/SCH_ESP32-PICO-KIT-1_V1_0_20200811A.pdf>`_ (PDF)
 * `ESP32-PICO-KIT-1 PCB 布局图 <https://dl.espressif.com/dl/schematics/PCB_ESP32-PICO-KIT-1_V1.0_20200811.pdf>`_ (PDF)
 

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

@@ -6,7 +6,7 @@
 
 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 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。
 
 
 +------------------------+-------------------------+
@@ -30,7 +30,7 @@ ESP32-DevKitM-1 是乐鑫推出的一款基于 ESP32-MINI-1 模组的入门级
 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。
+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
@@ -38,7 +38,7 @@ ESP32-DevKitM-1 是乐鑫推出的一款基于 ESP32-MINI-1 模组的入门级
 
 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
+- 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
 - 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
@@ -52,7 +52,7 @@ ESP32-DevKitM-1 开发板是一款小巧实用的开发板，具备以下特色
 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。
+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。
 
 零售订单请前往 https://www.espressif.com/zh-hans/company/contact/buy-a-sample。
 
@@ -60,15 +60,14 @@ ESP32-DevKitM-1 开发板是一款小巧实用的开发板，具备以下特色
 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)。
+如批量购买，ESP32-DevKitM-1 开发板将以大纸板箱包装。
 
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 组件介绍 
 -----------
 
-ESP32-DevKitM-1 开发板的主要组件、接口及控制方式见下。
+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。
 
 
 .. figure:: ../../../_static/esp32-devkitm-1-v1-annotated-photo.png
@@ -85,8 +84,8 @@ ESP32-DevKitM-1 开发板的主要组件、接口及控制方式见下。
 
     * - 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>`_
+    * - 板载模组
+      - 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>`_
     * - 5 V 转 3.3 V LDO
       - 电源转换器，输入 5 V，输出 3.3 V
     * - Boot 键
@@ -123,7 +122,10 @@ ESP32-DevKitM-1 上电前，请首先确认开发板完好无损。
 
 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。
 
- 
+.. attention::
+
+  ESP32-DevKitM-1 搭载的模组为单核 MCU 模组，烧录应用程序前，需要在 :ref:`menuconfig <get-started-configure>` 中使能单核模式 (:ref:`CONFIG_FREERTOS_UNICORE`)。
+
 硬件参考
 ===========
 
@@ -308,11 +310,11 @@ ESP32-DevKitM-1 的主要组件和连接方式如下图所示。
 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-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)
 * `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)
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`_
 * `《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。

docs/zh_CN/hw-reference/esp32/user-guide-devkits-r-v1.1.rst

@@ -173,7 +173,7 @@ Windows 用户也可以使用 `Flash 下载工具 <https://www.espressif.com/zh-
 
 如批量购买，ESP32-DevKitS(-R) 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_en.pdf>`__ (PDF)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 
 硬件参考
@@ -265,4 +265,4 @@ R19      CLK               SD_CLK
 - `ESP32-SOLO-1 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-solo-1_datasheet_cn.pdf>`_ (PDF)
 - `ESP32-WROVER 技术规格书 <https://espressif.com/sites/default/files/documentation/esp32-wrover_datasheet_cn.pdf>`_ (PDF)
 - `ESP32-WROVER-B 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-wrover-b_datasheet_cn.pdf>`_ (PDF)
-- `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`__ (PDF) 
+- `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__

docs/zh_CN/hw-reference/esp32c3/user-guide-devkitc-02.rst

@@ -93,16 +93,16 @@ ESP32-C3-DevKitC-02 是一款入门级开发板，使用配置 4 MB SPI flash
 零售订单
 ^^^^^^^^
 
-如购买样品，每个 ESP32-C3-DevKitC-02 底板将以防静电袋或零售商选择的其他方式包装。
+如购买样品，每个 ESP32-C3-DevKitC-02 开发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-C3-DevKitC-02 烧录底板将以大纸板箱包装。
+如批量购买，ESP32-C3-DevKitC-02 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 硬件参考
 ========

docs/zh_CN/hw-reference/esp32c3/user-guide-devkitm-1.rst

@@ -89,7 +89,7 @@ ESP32-C3-DevKitM-1 是一款入门级开发板，使用以尺寸小而得名的
 零售订单
 ^^^^^^^^
 
-如购买样品，每个 ESP32-C3-DevKitM-1 底板将以防静电袋或零售商选择的其他方式包装。
+如购买样品，每个 ESP32-C3-DevKitM-1 开发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。
 
@@ -97,9 +97,9 @@ ESP32-C3-DevKitM-1 是一款入门级开发板，使用以尺寸小而得名的
 批量订单
 ^^^^^^^^
 
-如批量购买，ESP32-C3-DevKitM-1 烧录底板将以大纸板箱包装。
+如批量购买，ESP32-C3-DevKitM-1 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 硬件参考
 ========

docs/zh_CN/hw-reference/esp32s2/user-guide-devkitm-1-v1.rst

@@ -43,16 +43,16 @@ ESP32-S2-DevKitM-1(U) 是乐鑫一款搭载 ESP32-S2-MINI-1 或 ESP32-S2-MINI-1U
 零售订单
 ^^^^^^^^
 
-如购买样品，每个 ESP32-S2-DevKitM-1(U) 底板将以防静电袋或零售商选择的其他方式包装。
+如购买样品，每个 ESP32-S2-DevKitM-1(U) 开发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-S2-DevKitM-1(U) 烧录底板将以大纸板箱包装。
+如批量购买，ESP32-S2-DevKitM-1(U) 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 组件介绍
 --------
@@ -221,6 +221,6 @@ J3
 * `ESP32-S2-DevKitM-1(U) 尺寸图 <https://dl.espressif.com/dl/schematics/ESP32-S2-DevKitM-1_V1_Dimensions.pdf>`_ (PDF)
 * `ESP32-S2 系列技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>`_ (PDF)
 * `ESP32-S2-MINI-1 & ESP32-S2-MINI-1U 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_cn.pdf>`_ (PDF)
-* `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF) 
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__ 
 
 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。

docs/zh_CN/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit-v1.2.rst

@@ -244,7 +244,7 @@ ESP32-S2-Kaluga-1 上电前，请首先确认开发板完好无损。
 
 ESP32-S2-Kaluga-1 开发套件的批发包装为纸板箱。
 
-批量订货，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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 
 硬件参考
@@ -367,7 +367,7 @@ ESP32-S2-Kaluga-1 的主要组件和连接方式如下图所示。
     user-guide-esp-lyrat-8311a_v1.2
 
 - `ESP32-S2-WROVER 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_cn.pdf>`_ (PDF)
-- `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF)
+- `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__
 - :doc:`../../api-guides/jtag-debugging/index`
 
 - `ESP32-S2-Kaluga-1 原理图 <https://dl.espressif.com/dl/schematics/ESP32-S2-Kaluga-1_V1_2_SCH_20200424A.pdf>`_ (PDF)

docs/zh_CN/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit.rst

@@ -265,7 +265,7 @@ ESP32-S2-Kaluga-1 上电前，请首先确认开发板完好无损。
 
 ESP32-S2-Kaluga-1 开发套件的批发包装为纸板箱。
 
-批量订货，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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 
 硬件参考
@@ -378,7 +378,7 @@ ESP32-S2-Kaluga-1 Kit v1.2
     user-guide-esp-lyrat-8311a_v1.3
 
 - `ESP32-S2-WROVER 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_cn.pdf>`_ (PDF)
-- `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF)
+- `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__
 - :doc:`../../api-guides/jtag-debugging/index`
 
 - `ESP32-S2-Kaluga-1 原理图 <https://dl.espressif.com/dl/schematics/ESP32-S2-Kaluga-1_V1_3_SCH_20200526A.pdf>`_ (PDF)

docs/zh_CN/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst

@@ -44,16 +44,16 @@ ESP32-S2-Saola-1 是乐鑫一款基于 ESP32-S2 的小型开发板。板上的
 零售订单
 ^^^^^^^^
 
-如购买样品，每个 ESP32-S2-Saola-1 底板将以防静电袋或零售商选择的其他方式包装。
+如购买样品，每个 ESP32-S2-Saola-1 开发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-S2-Saola-1 烧录底板将以大纸板箱包装。
+如批量购买，ESP32-S2-Saola-1 开发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)。
+批量订单请前往 https://www.espressif.com/zh-hans/contact-us/sales-questions。
 
 组件介绍
 --------
@@ -143,6 +143,6 @@ ESP32-S2-Saola-1 的主要组件和连接方式如下图所示。
 * `ESP32-S2 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>`_ (PDF)
 * `ESP32-S2-WROVER & ESP32-S2-WROVER-I 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_cn.pdf>`_ (PDF)
 * `ESP32-S2-WROOM & ESP32-S2-WROOM-I 技术规格书 <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_cn.pdf>`_ (PDF)
-* `乐鑫产品订购信息 <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>`_ (PDF) 
+* `乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>`__
 
 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。

docs/zh_CN/hw-reference/index.rst

@@ -13,6 +13,6 @@
     :esp32: ESP32 勘误表及解决方法 (PDF) <https://espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_cn.pdf>
     模组 <https://www.espressif.com/zh-hans/products/modules>
     开发板 <https://www.espressif.com/zh-hans/products/devkits>
-    乐鑫产品订购信息 (PDF) <http://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_cn.pdf>
+    乐鑫产品选型工具 <https://products.espressif.com/#/product-selector?names=>
     乐鑫产品证书 <https://www.espressif.com/zh-hans/certificates>
     芯片系列对比 <chip-series-comparison>