Revision History

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Revision History

Date

Version

Release Notes

2026-02-05

v1.5

Related Documentation and Resources: Added the reference design for development boards

2026-02-04

v1.4

  • Schematic Checklist
    • Overview: Added notes on the main differences between chip revisions v1.0/v1.3 (not recommended for new designs) and v3.0 and later versions, and updated the corresponding reference design schematics

    • Section Power Supply: Modified the minimum supply current

    • Section USB PHY Power Supply: Added notes when using DP and DM, and added a reference schematic for VDD_USBPHY

    • Section Analog Power Supply: Modified the operating voltage range of pin VDD_BAT

    • Section Internal Voltage Regulators and External DCDC: Updated notes on VDDO_FLASH output voltage configuration, added notes for circuit layout for different chip revisions, and added the corresponding TLV62569 schematic

    • Section SDIO: Updated SDIO GPIO pin assignment description and fixed a typo in Figure ESP32-P4 SD 3.0 Card Power Circuit

    • Section USB: Added instructions for adding a pull-down resistor on the DP pin (applicable to chip revisions v1.0 and v1.3)

    • Section Ethernet MAC: Corrected EMAC signal RMII_RXDV to RMII_CRSDV

  • PCB Layout Design
    • Section General Guidelines: Added recommendation that power traces for pins VDD_BAT and VDD_ANA should be at least 10 mil

  • Related Documentation and Resources: Added Consolidated Pin Overview Excel

2025-11-28

v1.3

2025-09-22

v1.2

2025-07-07

v1.1

2025-04-23

v1.0

First release of ESP32-P4 Hardware Design Guidelines.