![]() ![]() Usually, this choice also governs how operations are performed. There are two basic possibilities: bit-serial or bitparallel transmission. Since two’s-complement and binary offset representation use similar algorithms, we will discuss only bit-serial arithmetic with two’s-complement representation.Ī major issue in the design of the building blocks is to decide how data shall be transmitted and processed. Two’s-complement and binary offset representations are suitable for DSP algorithms implemented with bit-serial arithmetic, since the bit-serial operations can be done without knowing the sign of the numbers involved. A small chip can support higher clock frequencies and is therefore faster. Second, by using small processing elements, the chip itself will be smaller and require shorter wiring. First, it eliminates wide buses and simplifies wire routing. A major advantage of bit-serial over bit-parallel arithmetic is that it significantly reduces chip area. Lars Wanhammar, in DSP Integrated Circuits, 1999 11.6 BIT-SERIAL ARITHMETICīit- serial arithmetic is a viable alternative in digital signal processing applications to traditional, bit-parallel arithmetic. ![]()
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