Application specific microcontrollers are semiconductor devices that incorporate a processing unit (microprocessor), memory (eeprom, eprom, flash, sram, rom, ram, etc.), and some peripherals (clocks, converters, ports, timers, uarts, etc.) into a single device. Applications include audio recorder/playback, authentication, automotive, battery monitor, BLDC controller, Bluetooth, embedded security, GPS, networking, and USB to name a few.