The SCINTIX P4 compute module combines an ESP32-P4 processor, Wi-Fi 6, Ethernet and 32MB each of PSRAM and flash in a Raspberry Pi CM4/CM5-compatible form factor.
SCINTIX P4 from RELOC incorporates the ESP32-P4 platform on the Raspberry Pi Compute Module 4 and 5 (CM4/CM5) platform. This makes it possible for developers to make use of existing compatible carrier boards for ESP32-P4 development projects without having to design a new motherboard. The SCINTIX P4 module has dimensions of 55×40mm and comes with an integrated processing unit, memory, wireless connectivity and Ethernet capabilities. At the heart of SCINTIX P4 is the ESP32-P4NRW32X processor that has two 32-bit RISC-V cores with clock speeds of 400MHz each, and a third low-power core.
The module is fitted with 32MB of PSRAM as well as 32MB of NOR flash memory. The wireless capability of the module is taken care of by the ESP32-C6 that provides Wi-Fi 6 at 2.4 GHz, Bluetooth 5 and IEEE 802.15.4 for Thread and Zigbee. The wireless coprocessor uses a four-bit SDIO and UART interface to communicate with ESP32-P4. The Ethernet PHY used in this module is Microchip KSZ8091RNACA that supports wired connection at 10/100Mbps speed.
For peripheral connectivity, SCINTIX P4 provides two-lane MIPI-DSI for displays and two-lane MIPI-CSI for cameras. Other interfaces include USB 2.0 OTG, microSD connectivity and a 40-pin expansion header exposing 23 ESP32-P4 GPIOs. Two Hirose DF40C-100DP board-to-board connectors provide connections to compatible carrier boards. The module has been tested with selected Raspberry Pi CM4/CM5 carrier boards, including official Raspberry Pi IO boards and certain Waveshare models. However, compatibility is not universal, as interfaces dependent on Raspberry Pi processors, such as HDMI and PCIe, are not supported by the ESP32-P4.
RELOC provides ESP-IDF examples, documentation and firmware through its GitHub repository. Demonstrations include USB programming, Ethernet throughput testing, wireless connectivity and USB host operation. The developer has also demonstrated a smartphone-style interface and an AI agent running on the module. SCINTIX P4 is listed as a pre-launch project on Crowd Supply.
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