Revision History

[中文]

Revision History

Date	Version	Release Notes
2026-04-15	v1.6	Schematic Checklist Section HP/LP IO Power Supply: Modified the recommended operating voltage for VDD_IO_0, VDD_IO_4, VDD_IO_5, and VDD_IO_6 Section Flash and PSRAM IO Power Supply: Modified the recommended operating voltage for VDD_FLASHIO
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	Schematic Checklist Section Internal Voltage Regulators and External DCDC: Updated a note about FB_DCDC and EN_DCDC
2025-09-22	v1.2	Schematic Checklist Section Internal Voltage Regulators and External DCDC: Added a note about VDDO_FLASH default voltage and precautions for 1.8 V flash
2025-07-07	v1.1	Schematic Checklist Section HP/LP IO Power Supply: Added a note about VDD_IO_5 Section MIPI PHY Power Supply: Updated descriptions about VDD_MIPI_DPHY and added a note about MIPI signal level Section Internal Voltage Regulators and External DCDC: Updated descriptions about FB_DCDC and EN_DCDC Section SDIO: Added a figure ESP32-P4 SD 3.0 Card Power Circuit PCB Layout Design Section General Guidelines: Deleted descriptions about the power traces of VDD_FLASHIO and updated descriptions about the placement of DCDC
2025-04-23	v1.0	First release of ESP32-P4 Hardware Design Guidelines.