The UPD78F0511AGA-8EU-AT is an 8-bit microcontroller manufactured by Renesas. It is part of the 78K/0 Series of microcontrollers, and features an 8-bit CISC CPU, a single 8-bit data bus, 8KB of internal ROM and 256 bytes of internal RAM. It also includes 32-bit internal timers, 8-channel 8-bit A/D converters, PPG and LCD controllers and 4-channel, 8-bit I/O ports. The UPD78F0511AGA-8EU-AT operates with a voltage range of 2.7 ~ 5.5V, a frequency range of 1MHz ~ 8MHz and a temperature range of -40C ~ 85C.