ESP32-P4-Function-EV-Board development board launched for $55 with 7-inch display and camera module

Espressif Systems “ESP32-P4-Function-EV-Board” – the official ESP32-P4 development board – is now available in limited quantities on Espressif’s AliExpress store for $55.44, and some other AliExpress stores at a premium as part of a kit with a 7-inch touchscreen display and a 2MP camera module.

First unveiled in January 2023, the ESP32-P4 is the first general-purpose RISC-V microcontroller from Espressif Systems without any wireless connectivity. It’s a high-end microcontroller with two RISC-V cores clocked at 400 MHz, vector instructions for AI acceleration, a 2D graphics accelerator for smooth graphical user interfaces, and H.264 video encoding support. There’s been some buzz about it in recent months, and finally, it’s now possible to purchase an ESP32-P4 board for evaluation and software development.

ESP32-P4-Function-EV-Board development board specifications:

• Microcontroller – Espressif Systems ESP32-P4
  • CPU
    • Dual-core RISC-V HP (High-performance) CPU @ up to 400 MHz with AI instructions extension and single-precision FPU, 768KB of on-chip SRAM
    • Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz with 8KB of zero-wait TCM RAM
  • Memory – 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM
  • ROM – 128 KB HP ROM, 16 KB LP ROM
  • GPU – 2D Pixel Processing Accelerator (PPA)
  • VPU – H.264 and JPEG codecs support
• Storage
  • 16 MB SPI flash
  • MicroSD card slot
• Display I/F – MIPI DSI connector compatible with an optional 7-inch capacitive touchscreen display with 1024 x 600 resolution
• Camera I/F – MIPI CSI connector compatible with an optional 2MP camera module
• Audio
  • ES8311 audio codec
  • 3W mono Class D audio power amplifier
  • Built-in microphone
  • Speaker output connector
• Networking
  • 10/100M Ethernet via IP101GR Ethernet PHY chip
  • Wireless – ESP32-C6-MINI-1 module for WiFi 6 and Bluetooth 5 connectivity; programming connector to update firmware (likely ESP-Hosted by default)
• USB – 1x USB 2.0 Type-A port, 1x USB 2.0 Type-C port
• Debugging – USB-UART Type-C connector for debugging through CP2102N USB to serial chip
• Expansion – 40-pin J1 GPIO header
• Misc
  • Power Switch
  • BOOT and Reset buttons
  • 5V power LED
  • 32.768 and 40 MHz Crystals
• Power Supply
  • 5V via USB-C port
  • 5V to 3.3V LDO
  • TPS2051C USB power switch
• Dimensions – 82.5 x 74 mm

Some factory and LVGL code samples relying on the ESP-IDF framework can be found on GitHub, while documentation about the board is available directly on Espressif’s website.

The ESP32-P4-Function-EV-Board ships with a 7-inch capacitive touch screen with a resolution of 1024 x 600, a 2MP camera with MIPI CSI, and necessary cables and accessories.

Note the development board currently relies on engineering samples (V0.1) of the ESP32-P4 microcontroller with some limitations:

• The functionalities of USB Serial JTAG are not available, which will be supported in the future chip revision.
• The ADC on current samples is not calibrated, so the ADC calibration functionality is not available yet. The ADC will be calibrated on chips for mass production orders.

The ESP32-P4 board is suitable for prototyping visual doorbells, network cameras, smart home central control screens, LCD electronic price tags, two-wheel vehicle dashboards, and more.

Jean-Luc Aufranc (CNXSoft)

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.

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