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Recently, performance of computers, communication devices and home electronic equipment has been improving rapidly. Portable electric devices, such as the personal handy telephone, require integration of these different electronic technologies with miniaturization and low power consumption.
Under existing circumstances, the application specific integrated circuit (ASIC), which is one type of large scale integrated circuit (LSI), is being watched with expectation as a main system component.
To meet this demand in the market, Hitachi has developed new series of cell based integrated circuits (CBICs)--HG71C series (0.8 micrometer process) and HG72C series (0.5 micrometer process)--which are Hitachi's ASIC products based on the flexible, fast, friendly (FFF) concept. FFF means that customers can design their specified ASICs by using cell and module libraries (flexible) within a shorter period (fast) on commercially sold engineering workstations (EWSs) with automated ASIC design tools (friendly).
The central processing unit (CPU) core consisting of either a 16-bit (H8/300H series) or a 32-bit RISC engine (SH-1 series of SuperH family) microcomputer can be integrated on an LSI chip with both digital and analog functions.