SN8F2255B is a 8-bit microcontroller (MCU) utilized CMOS technology and featured with low power consumption and high performance by its unique electronic structure. It is designed with the excellent IC structure including the program memory up to 10K-word Flash ROM, data memory of 512-byte RAM, 8-level stack buffers, four timers (T0, T1, TC0 and TC1), a watchdog timer, a SIO transceiver, and a low-speed USB SIE.