ESP32-P4 4 Inch Round Touch Display Development Board 31522

Waveshare 31522 ESP32-P4 4 Inch Round Touch Display Development Board 720 × 720 Resolution 1. This product is a high-performance development board based on the ESP32-P4 chip, featuring a dual-core plus single-core RISC-V architecture. It is equipped with a 4-inch, 720 × 720 resolution IPS circular touchscreen display and supports a wide range of human-machine interaction interfaces, including MIPI-CSI (with an integrated Image Signal ProcessorISP). It also supports USB OTG 2.0 HS for high-speed connectivity and features an onboard 40-pin GPIO expansion header compatible with select Raspberry Pi HATs, enabling broader application adaptability. The ESP32-P4 chip integrates digital signature peripherals and a dedicated key management unit to ensure data and operational security; designed for high-performance and high-security applications, it fully meets the demanding requirements of embedded systems regarding HMI support, edge computing capabilities, and IO connectivity. 2. High-performance MCU featuring RISC-V 32-bit dual-core and single-core processors 3. 128 KB HP ROM, 16 KB LP ROM, 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM 4. Powerful image and audio processing capabilities; interfaces include a JPEG codec, Pixel Processing Accelerator (PPA), Image Signal Processor (ISP), and H.264 video encoder 5. 32 MB PSRAM stacked within the chip package; 32 MB NOR Flash integrated externally 6. Onboard peripheral interfaces include MIPI-CSI, MIPI-DSI, USB 2.0 OTG HS, SDIO 3.0 TF card slot, dual microphones (supporting echo cancellation), speaker terminals, and RTC battery terminals 7. Onboard 2 × 20 pin header exposing 28 additional programmable GPIOs 8. Security mechanisms: Secure Boot, Flash encryption, hardware encryption accelerators, and a hardware random number generator. It also supports hardware access protection, enabling Access Permission Management (APM) and separation of privileges. Specifications: 1. Resolution: 720 × 720 pixels (H×V) 2. Color Gamut: 60% NTSC 3. Contrast Ratio: 1200:1 4. Touch Controller IC: GT9271 5. Communication Interface: MIPI 2-lane 6. Brightness: 350 cdm2 7. Outline Dimensions: 126.00 × 126.00 (mm) 8. Display Area: 101.52 × 101.52 (mm)