uPD546 Description
u-4 3 NEC MOS DIGITAL INTEGRATED CIRCUIT 4-BIT SINGLE CHIP MICROPUTER INTRODUCTION The NEC u - 43 is a 4- bit parallel central processing unit that forms a single chip microputer especially suited for a broad range of low cost and sophisticated controller applications. The u-43 contains all the necessary system functional blocks for a single chip microputer, including a 4- bit parallel ALU, 2 , 000 by 8 - bit...