The PD784214A, 784215A, 784216A, 784217A, and 784218A are products of the PD784216A/784218A Subseries in the 78K/IV Series. Besides a high-speed and high performance CPU, these controllers have ROM, RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interfaces, a real-time output port, interrupt functions, and various other peripheral hardware. The PD784214AY, 784215AY, 784216AY, 784217AY, and 784218AY are based on the PD784216Y/784218Y Subseries with the addition of a multimaster-supporting I2C bus interface. The PD78F4218A and 78F4218AY, products with a flash memory instead of the internal ROM of mask ROM versions, and various development tools are also available. Detailed function descriptions are provided in the following user's manuals. Be sure to read them before designing.