The H8S/2148 series, H8S/2144 series, and H8S/2147N enhance the peripherals of the H8/300 group while they support the sub-clock operating mode. They contribute to the customer's system design and development due to upward compatibility with the H8/3437, resulting in smooth replacement as well as a lineup of the products with on-chip single-power-supply flash memory. The 100-pin package is available.