The W78E054DFG is a secure, low-power 8-bit microcontroller with Nuvoton embedded flash and 4KB RAM. It features TQFP-44 10x10x08P RoHS package by Nuvoton and utilizes an 8051 architecture. It has eight interrupt sources, 16-bit timers, oscillator, and full-duplex serial port. The device features low voltage operation, ultra low EMI emission, robust power-on-reset circuit, and wide voltage range. It is integrated with SPI Interface, up to 32-bit capture/compare/PWM (CCP) peripherals, 8-bit ADC, and low pin count. It is also RoHS compliant and comes in a lead-free, sulfur-free, halogen-free package.