The 3822 group (A version) is the 8-bit microcomputer based on the 740 family core technology. The 3822 group (A version) has the LCD drive control circuit, an 8channel A-D converter, and a serial I/O as additional functions. The various microcomputers in the 3822 group (A version) include variations of internal memory size and packaging. For details, refer to the section on part numbering.