The V850E/IA3 and V850E/IA4 are 32-bit single-chip microcontrollers that incorporates ROM, RAM, and various peripheral functions such as DMA controller, timer counter, watchdog timer, serial interfaces, an A/D converter, an A/D converter of first-order delta-sigma conversion method, ROM correction, and on-chip debugging for realizing high-capacity data processing and sophisticated real-time control.