The 7054S35PRF is part of the 7054 family of low power microcontroller devices produced by Renesas Electronics Corporation. The part is a 32-bit RISC device with a maximum operating frequency of 50 MHz. It is based on the ARM Cortex-M0+ processor core with a data bus width of 8-bits and a total of 8 KB RAM. The device features 3 channels of 8-bit A/D converters and two PWM timers, along with a watchdog timer, on-chip oscillator, voltage regulator and built-in flash memory of 256 KB. This part is well suited for a variety of real time embedded control applications, and includes several system-on-chip peripherals such as SPI, I2C, UART, and Timer/Counter.