Procyon is a general purpose development board with special features for Ethernet, USB, and audio applications. It is based on Luminary Micro/Texas Instruments LM3S9x9x series of parts. The initial MCU is LM3S9B90. The board contains the following features: 80 MHz, 100 Pin Cortex M3 Processor 16 MB SDRAM accessed on a 50 MHz EPI bus USB Host/Device/OTG port microSD card slot (Attached to SSI1/SPI1) 10/100 Ethernet I2S header for DAC output interface Up to 24 GPIOs available 3 UART, 2 I2C, 1 CAN, 2 SPI/SSI (one shared with microSD card) 10-bit ADCs General purpose timers: four 32-bit or eight 16-bit FTDI/Basic UART debug/program interface, on 16 pin GPIO/configuration header Three 10 pin headers for daughter boards 20 Pin JTAG Header User LED and User switch [ ]