78 microcontroller
This part is an 8-bit RNS78 microcontroller (EEPROM) device manufactured by NEC Electronics. The device operates at a maximum frequency of 16 MHz and includes 16 Kbytes of embedded ROM, 2 Kbytes of RAM, and an internal timer. It is also an enhanced single chip microcontroller with advanced CMOS process technology, low power consumption, an external clock-compatible function, a built-in UART, I2C, SPI, and PWM functions, 8-bit ADC and DAC capabilities, and a Windows debugger, programmer, and view utility.