The microcontroller is a 32-bit single-core device based on the ARM Cortex-M3 and M3S architecture, with a clock speed of 20 MHz. It comes in a package type of 48-LQFP (Lead-Free, Fine Pitch) measuring 7mm x 7mm. The chip has an internal memory consisting of 8KB FLASH memory, organized as 1KB blocks of 8-bits each.