:link_to_translation:`zh_CN:[中文]`
.. toctree:: :maxdepth: 3 Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}> :esp32: Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf> :esp32s2: Datasheet (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf> :esp32: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_en.pdf> :esp32: Silicon Errata (PDF) <https://espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_en.pdf> Modules and Boards <modules-and-boards> Previous Versions of Modules and Boards <modules-and-boards-previous> Espressif Products Ordering Information (PDF) <http://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf> Regulatory Certificates <https://www.espressif.com/en/certificates>