The C8051F860-C-IS is a 8-bit microcontroller from Silicon Labs. It is part of the F860 family of microcontrollers which is optimized for power-constrained embedded applications. The C8051F860-C-IS has an ARM Cortex-M0-based core and up to 64 kB of flash memory available on the device. The device includes a wide range of analog peripherals such as 10-bit ADC, multiplexer, comparators, and an on-chip temperature sensor. It also includes an on-chip oscillator, a UART, SPI, I2C, and a variety of digital I/O. The device can operate at either 12 MHz or 24 MHz, making it ideal for low power applications.