The Synaptics Coralboard is a development platform featuring the Synaptics Astra SL2619 Edge AI SoC and a 1 TOPS Synaptics Torq inference engine integrated with a Google Coral NPU. It supports hardware-accelerated Google Gemma 3 lightweight models.
The board is equipped with 2GB of RAM, MIPI camera and display interfaces, a microSD card slot, a USB Type-A port, microphone inputs (I2S), mikroBUS and Qwiic expansion connectors, and offers optional Wi-Fi and Bluetooth connectivity through an M.2 slot.
Specifications:
– System-on-module: Grinn AstraSOM-261x
– SoC: Synaptics Astra SL2619 SoC with 2x Cortex-A55 cores @ 2GHz, 1x Cortex-M52 core @ 200MHz, and 1 TOPS Synaptics Torq (Google Coral NPU)
– System Memory: 2GB DDR4 @ 3200Mbps (optionally 1GB)
– Storage: 16GB flash, expandable to 64GB
– Input Voltage: 3.2V to 5.5V
– Dimensions: 25 x 25mm, LGA178 package
– Storage: MicroSD card slot for mass storage
– Display: 4-lane MIPI DSI connector
– Camera: 22-pin 2-lane MIPI CSI connector
– Audio interfaces: I2S2 and I2S3 audio connectors (1.8V)
– Connectivity: Optional Wi-Fi and Bluetooth via M.2 module
– USB: USB-A host port, USB-C for power (5V only) and data (device mode)
– Expansion: M.2 E-key or E+A key slot, I3C connector (1.8V), Qwiic Connect System for I2C, mikroBUS connector, 20-pin GPIO header
– Debug interfaces: UART console, JTAG interface
– Misc: Reset and user buttons, 3x LEDs
– Power Supply: 5V via USB-C, 2-pin battery connector
– Dimensions: TBD
The board operates on a Yocto Linux distribution and is supported by the Synaptics Astra SDK. It can execute Google’s Gemma 3 270M model using the Synaptics Torq toolchain. The board is being showcased at Google I/O 2026 within the “Jellectronica” demo, utilizing AI for a musical performance involving live-stream jellyfish motion data.
The board is a limited edition created for Google I/O 2026, with general availability and pricing to be announced later. More information is available on the product page, and potential users can express interest through a sign-up form.