ESP-07-2-007-03/V1.5 www.espressif.com Page 1 / 5 乐鑫产品标签变更 Product Label Change for Espressif Products PCN 编号 PCN No. PCN202600201 提出日期 Issue Date of PCN 2026/04/21 变更日期 Proposed Date of Change 2026/04/28 预计变更后产品首次出货日期 Proposed Date of First Shipment After Change 2026/05/06 PCN 类型 PCN Category £ 客户需要批准/ Customer Approval Required R 客户通知/ Customer Notification 1. 影响产品名称/ Affected Product Name 乐鑫通用芯片、预烧录芯片、模组、开发板 Espressif chips (including pre-download chips), modules, and development boards 2. 变更原因/ Reason for Change 优化产品标签模版及描述，增强内容可读性。补充晶圆制造所在地区。 Optimize product label templates and descriptions to improve readability. Add Country of Diffusion (wafer fabrication location). 3. 变更描述/ Description of Change 产品类型 Product Type 变更说明，标签示意图请参见请见附录 I：变更对比。 Change Description. For the label diagram, please refer to Appendix 1: Change Comparison. 通用芯片 Chip 产品标签模板更新。 产品标签中产地描述更新，Origin 信息更新为 COA 组装地信息，增加 COD 晶圆制造地信息。 Updated product label template. Updated the "Origin" field to "COA" (Country of Assembly) and added a "COD" (Country of Diffusion) field. 预烧录芯片 pre-download chip products 产品标签模板更新。 Updated product label template. 模组，开发板 产品标签模板更新。 ESP-07-2-007-03/V1.5 www.espressif.com Page 2 / 5 Module, Development board 1) “固件版本｜Firmware Ver” 栏目更新为 “固件信息｜Firmware” 栏目。栏目描述由 “IDF/AT/FW PN/MBM NO”信息变更为 “FW Ver/FW PN/MBM NO” 信息。 2) “原产国｜Country” 栏目更新为 “组装地｜COA (Country of Assembly)”，增加 “晶圆产地｜COD (Country of Diffusion)”栏目，栏目描述为“TAIWAN，CHINA”。 Updated product label template. 1) Updated the "固件版本｜Firmware Ver" field to "固件信息｜Firmware". Changed its description from "IDF/AT/FW PN/MBM NO" to "FW Ver/FW PN/MBM NO". 2) Updated the "原产国｜Country" field to "组装地｜COA (Country of Assembly)" and added a new "晶圆产地｜COD (Country of Diffusion)" field with the value “TAIWAN, CHINA”. 4. 变更对比/ Change Comparison 请见附录 I：变更对比。 Please refer to Appendix I: Change Comparison. 识别方式/ Identification Method: 通过查看产品的卷盘、真空袋、Pizza 盒以及外箱标签识别。 Identified by the labels on reels, vacuum bags (MBB), pizza boxes, and outer cartons of product. 5. 变更影响/ Impact of Change 1) 品质和性能/ Quality & Performance: 无影响/ No impact 2) 交期/ Delivery: 无影响/ No impact 3) 订购代码/ Ordering Code: 无影响/ No impact 4) 软件/ Software: 无影响/ No impact 5) 认证/ Certification: 无影响/ No impact 6) 技术规格书/ Datasheet: 无影响/ No impact 6. 变更前后产品处理/ How to Deal with Products FIFO ESP-07-2-007-03/V1.5 www.espressif.com Page 3 / 5 Appendix I 变更对比/ Change Comparison 产品标签类型 Product Label Type 变更前 Before Change  变更后 After Change  通用芯片产品内部标签（卷盘，真空袋，pizza 盒上标签） Internal Label on Reel, MBB and Pizza Boxes of Chip Products 通用芯片产品外箱标签 Outer Box Label on Outer Cartons of Chip Products 预烧录芯片标签 Pre-Download Chip Product Label ESP-07-2-007-03/V1.5 www.espressif.com Page 4 / 5 产品标签类型 Product Label Type 变更前 Before Change  变更后 After Change  模组 / 开发板标签 Module / Development Board Product Label ESP-07-2-007-03/V1.5 www.espressif.com Page 5 / 5 邮件订阅 Espressif Email Notifications 乐鑫为注册用户提供电子邮件通知服务，用户可通过乐鑫订阅系统接收技术文档更新、新闻通讯、PCN 等邮件通知。 Espressif sends email notifications of technical documentation changes, along with newsletters, PCNs and other valuable information, to subscribed customers only. If you wish to stay updated on our products and services, please subscribe here. 客户响应要求 Customer Response Requirements 需客户批准的变更/ Change Requiring Customer Approval： a) 客户须在乐鑫发出 PCN 后的 30 天内告知乐鑫已收到 PCN。如客户未在接收到 PCN 后的 30 天内告知已收到，则视为客户收到变更。 Customers are requested to acknowledge receipt of the PCN within 30 calendar days from the date of issue of the PCN. Customers would be considered as notified 30 calendar days after issue of the PCN if no acknowledgement is received. b) 自发布 PCN 之日起 90 天内，客户没有任何其他反馈，则表示客户接受该 PCN。 The lack of any additional responses from customers within 90 calendar days from the date of issue of the PCN constitutes acceptance of the proposed changes. 客户通知/ Customer Notification： a) 客户需在乐鑫发出 PCN 后 14 天内通知乐鑫收到该 PCN。如客户未在接收到 PCN 14 日反馈乐鑫，则视为客户确认该 PCN。 Customers are requested to acknowledge receipt of the PCN within 14 calendar days from the date of issue of the PCN. Customers would be considered as having acknowledged the PCN if no response is received after 14 calendar days. 请反馈至 pcn@espressif.com。 Please send feedback to pcn@espressif.com. 客户批准/确认信息 Customer Approval / Acknowledgement and Remarks 客户公司全称： Customer’s Company Name: PCN 评审结果 PCN Review Result £批准/确认 Accepted / Acknowledged £不批准 Rejected £需要分析 Further Analysis Required 客户意见/ Comment: 公司代表人姓名 Representative’s Name 公司代表人职责 Representative’s Job Title 公司代表人签名 Representative’s Signature 日期 Date