CMOS Parallel Interface DIP-40 This CMOS parallel interface (CPI) provides a universal means of interfacing external signals wit hthe MC146805E2 CMOS microprocessor and other multiplexed bus microprocessors. The unique MOTEL circuit-on-chip allows direct interfacing to most industry CMOS microprocessors, as well as many NMOS MPUs. Features 24 individually programmed I/O pins Data direction registers for Ports A, B and C High density, high-performance silicon-gate 15 registers addressed as memory locations 3V to 5.5V operating Vdd
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