Espressif ESP32-S3 Series Product/Process Change Notice (PCN)
Document No.: ESP-07-2-007-03
Document Version: 1.4
Retention Period: 5 years
Document Name: Upgrade Chip Revision of ESP32-S3 Series Products
PCN No.: PCN20220602
Issue Date of PCN: 2022/07/06
Proposed Date of Change: 2022/07/10
Proposed Date of First Shipment After Change: 2022/10/06
PCN Category: Customer Notification
1. Affected Products
1) Chip Products:
ESP32-S3, ESP32-S3FN8, ESP32-S3R2, ESP32-S3R8, ESP32-S3R8V, ESP32-S3FH4R2
2) Module Products:
| Product Name | MPN |
|---|---|
| ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1-N4 |
| ESP32-S3-WROOM-1-N8 | |
| ESP32-S3-WROOM-1-N16 | |
| ESP32-S3-WROOM-1-H4 | |
| ESP32-S3-WROOM-1-N4R8 | |
| ESP32-S3-WROOM-1-N8R8 | |
| ESP32-S3-WROOM-1-N16R8 | |
| ESP32-S3-WROOM-1-N4R2 | |
| ESP32-S3-WROOM-1-N8R2 | |
| ESP32-S3-WROOM-1-N16R2 | |
| ESP32-S3-WROOM-1U-N4 | |
| ESP32-S3-WROOM-1U-N8 | |
| ESP32-S3-WROOM-1U | ESP32-S3-WROOM-1U-N16 |
| ESP32-S3-WROOM-1U-H4 | |
| ESP32-S3-WROOM-1U-N4R8 | |
| ESP32-S3-WROOM-1U-N8R8 | |
| ESP32-S3-WROOM-1U-N16R8 | |
| ESP32-S3-WROOM-1U-N4R2 | |
| ESP32-S3-WROOM-1U-N8R2 | |
| ESP32-S3-WROOM-1U-N16R2 | |
| ESP32-S3-MINI-1 | ESP32-S3-MINI-1-N8 |
| ESP32-S3-MINI-1-H4R2 | |
| ESP32-S3-MINI-1-N4R2 | |
| ESP32-S3-MINI-1U | ESP32-S3-MINI-1U-N8 |
| ESP32-S3-MINI-1U-N16R8 | |
| ESP32-S3-MINI-1U-N4R2 | |
| ESP32-S3-MINI-1U-N8R2 | |
| ESP32-S3-MINI-1U-N16R2 | |
| ESP32-S3-WROOM-2 | ESP32-S3-WROOM-2-N16R8V |
| ESP32-S3-WROOM-2-N32R8V | |
3) Develop Board Products: |
|
| Product Name | MPN |
| ESP32-S3-DevKitC-1 | ESP32-S3-DevKitC-1-N8 |
| ESP32-S3-DevKitC-1-N16 | |
| ESP32-S3-DevKitC-1-N8R8 | |
| ESP32-S3-DevKitC-1-N8R2 | |
| ESP32-S3-DevKitC-1-N16R8V | |
| ESP32-S3-DevKitC-1-N32R8V | |
| ESP32-S3-DevKitC-1U-N8 | |
| ESP32-S3-DevKitC-1U-N8R8 | |
| ESP32-S3-DevKitC-1U-N8R2 | |
| ESP32-S3-DevKitC-1U-N16R8V | |
| ESP32-S3-DevKitC-1U-N32R8V | |
| ESP32-S3-DevKitM-1 | ESP32-S3-DevKitM-1-N8 |
| ESP32-S3-USB-OTG | ESP32-S3-USB-OTG |
| ESP32-S3-Korvo-1 | ESP32-S3-Korvo-1 |
| ESP32-S3-Korvo-2 | ESP32-S3-Korvo-2 |
| ESP32-S3-Korvo-2-LCD | ESP32-S3-Korvo-2-LCD |
| ESP32-S3-EYE | ESP32-S3-EYE |
| ESP32-S3-BOX | ESP32-S3-BOX |
| ESP32-S3-BOX-Lite | ESP32-S3-BOX-Lite |
2. Reason for Change
To enhance the production efficiency of ESP32-S3 series chips, the ESP32-S3 series chips have been optimized. The main chips used in the module and development board products listed in Paragraph 1 are ESP32-S3 series chips, hence the corresponding changes.
3. Description of Change
The chip revision of ESP32-S3 series products has been upgraded. The main chips used in the modules listed in Paragraph 1 are ESP32-S3 series chips, and thus the modules and development board products listed in Paragraph 1 have been updated accordingly.
4. Change Comparison
Please refer to Appendix I: Change Comparison.
Identification Method:
- Chip products: Identified by eFuse bits and chip marking.
- Module products: Identified by module marking.
5. Impact of Change
- Quality & Performance: No impact.
- Delivery: No impact.
- Material Part Numbers (MPN): Customers can continue using the existing chip product name to place orders. There is no change to the MPN of the affected Espressif modules & development board products listed in Para 1. Customers can continue to use existing MPN to place orders.
- Certification: No impact.
- Software/IDF: Changed products listed in Para 1 are compatible with the current version of ESP-IDF. Customers can still use the current version.
6. How to Deal with Products
FIFO
7. Related Report(s):
- Related ECN No.: ECN-2022-009
- RF Performance Verification: Pass
Appendix I: Change Comparison
| No. | Item | Before Change | After Change | |
|---|---|---|---|---|
| 1 | Chip Revision | V001 | V002 | |
| 2 | Chip eFuse Information | |||
| Register Address | eFuse Address | Bit Information | Bit Information | |
| EFUSE_RD_MAC_SPI_SYS_3_REG[18] | BLK1 B14[2] | 1 | 0 | |
| EFUSE_RD_MAC_SPI_SYS_3_REG[19] | BLK1 B14[3] | 0 | 1 | |
| EFUSE_RD_MAC_SPI_SYS_3_REG[20] | BLK1 B14[4] | 0 | 0 | |
| EFUSE_RD_MAC_SPI_SYS_5_REG[23] | BLK1 B22[7] | 0 | 0 | |
| 3 | Chip Marking (Main Die Line) |
Espressif Logo Pin 1 Product Name Date Code Main Die Flash / PSRAM Code XBXXXXXX |
Espressif Logo Pin 1 Product Name Date Code Main Die Flash / PSRAM Code XCXXXXXX |
|
| 4 | Module MPN | No change | ||
| 5 | Module Marking (Specification Marking Line) |
Espressif Logo Module Product Name CE FCC ID: IC ID: CMIIT ID: Company name Specification code (1) (2) (3) MOXXXX |
Espressif Logo Module Product Name CE FCC ID: IC ID: CMIIT ID: Company logo Module name Data Matrix MCXXXX |
|
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Customer Response Requirements
Change Requiring Customer Approval:
- Customers are requested to acknowledge receipt of the PCN within 30 calendar days from the date of issue. Failure to acknowledge receipt will be considered as notification after 30 days.
- If no additional feedback is provided within 90 days of the PCN issue date, it will be considered as acceptance of the proposed changes.
Customer Notification:
- Customers are requested to acknowledge receipt of the PCN within 14 calendar days from the date of issue. Failure to respond within 14 days will be considered as acknowledgment.
Please send feedback to pcn@espressif.com.
Customer Approval/Acknowledgement and Remarks
Customer's Company Name:
PCN Review Result: [ ] Accepted/Acknowledged [ ] Rejected [ ] Further Analysis Required
Customer Comment:
Representative's Name:
Representative's Job Title:
Representative's Signature:
Date:
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