diff --git a/docs/en/hw-reference/index.rst b/docs/en/hw-reference/index.rst
index 6291efe12d..6c08efc9c9 100644
--- a/docs/en/hw-reference/index.rst
+++ b/docs/en/hw-reference/index.rst
@@ -6,16 +6,22 @@ Hardware Reference
 .. toctree::
     :maxdepth: 1
 
-    :not esp32c2: Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}>
+    Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}>
     :esp32:   Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf>
     :esp32s2: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>
-    :esp32c3: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf>
     :esp32s3: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf>
+    :esp32c2: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp8684_datasheet_en.pdf>
+    :esp32c3: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf>
+    :esp32c6: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c6_datasheet_en.pdf>
     :esp32:   Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_en.pdf>
     :esp32s2: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_hardware_design_guidelines_en.pdf>
-    :esp32c3: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_hardware_design_guidelines_en.pdf>
     :esp32s3: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s3_hardware_design_guidelines_en.pdf>
+    :esp32c2: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp8684_hardware_design_guidelines_en.pdf>
+    :esp32c3: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_hardware_design_guidelines_en.pdf>
+    :esp32c6: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c6_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>
+    :esp32s2: Silicon Errata (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s2_errata_en.pdf>
+    :esp32s3: Silicon Errata (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_en.pdf>
     Chip Variants <https://espressif.com/en/products/socs?id={IDF_TARGET_NAME}>
     Modules <https://espressif.com/en/products/modules?id={IDF_TARGET_NAME}>
     Development Boards <https://www.espressif.com/en/products/devkits?id={IDF_TARGET_NAME}>
diff --git a/docs/zh_CN/hw-reference/index.rst b/docs/zh_CN/hw-reference/index.rst
index 94a8195bbf..ca2edcee82 100644
--- a/docs/zh_CN/hw-reference/index.rst
+++ b/docs/zh_CN/hw-reference/index.rst
@@ -6,16 +6,22 @@ H/W 硬件参考
 .. toctree::
     :maxdepth: 1
 
-    :not esp32c2: 技术参考手册 (PDF) <{IDF_TARGET_TRM_CN_URL}>
+    技术参考手册 (PDF) <{IDF_TARGET_TRM_CN_URL}>
     :esp32:   技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf>
     :esp32s2: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>
-    :esp32c3: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_cn.pdf>
     :esp32s3: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s3_datasheet_cn.pdf>
+    :esp32c2: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp8684_datasheet_cn.pdf>
+    :esp32c3: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_cn.pdf>
+    :esp32c6: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c6_datasheet_cn.pdf>
     :esp32:   硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_cn.pdf>
     :esp32s2: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_hardware_design_guidelines_cn.pdf>
-    :esp32c3: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_hardware_design_guidelines_cn.pdf>
     :esp32s3: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s3_hardware_design_guidelines_cn.pdf>
+    :esp32c2: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp8684_hardware_design_guidelines_cn.pdf>
+    :esp32c3: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_hardware_design_guidelines_cn.pdf>
+    :esp32c6: 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c6_hardware_design_guidelines_cn.pdf>
     :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>
+    :esp32s2: 勘误表及解决方法 (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s2_errata_cn.pdf>
+    :esp32s3: 勘误表及解决方法 (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_cn.pdf>
     芯片变型 <https://espressif.com/zh-hans/products/socs?id={IDF_TARGET_NAME}>
     模组 <https://www.espressif.com/zh-hans/products/modules?id={IDF_TARGET_NAME}>
     开发板 <https://www.espressif.com/zh-hans/products/devkits?id={IDF_TARGET_NAME}>