48 MHz Cortex-M4 with LCD controller
The Microchip ATSAM4LC2BA-MUR is a 32-bit ARM Cortex-M4 MCU from the SAM4L series, clocked at 48 MHz.
Peripheral set for human-machine interface
The I²S interface handles digital audio streaming, while the 12-bit ADC (7 channels) and one 12-bit DAC support analog sensor inputs and output.
64-QFN package — board layout notes
The 43 general-purpose I/O lines are multiplexed with the peripheral functions; the USB interface uses dedicated pins on the same package.