The ATSAM4C4CB-AU is a low-power, low-price microcontroller from Microchip Technology. It is based on the ARM Cortex-M4 processor and integrated with a wide range of peripheral components, memory, and analog/digital capabilities. It specifically contains flash, SRAM, TSLC EEPROM, PLL and oscillators, general-purpose counter, LCD contrast control and 32 kHz RTC, 16-bit timer/counters, USART, Parallel I/O lines, Decoder and Interrupt controller, Peripheral DMA controller, Watchdog timer, and an enhanced 12-bit ADC. It supports a wide range of low-power operating modes and uses energy-measurement features to reduce energy consumption. It also features a voltage detector and external interrupts. This part is used in various applications such as digital home and industrial applications, automotive, and gaming systems.