초록 ▼

A digital signal processor having an ALU and accumulating register small in bit number. The digital signal processor adds r-bit rounding bits to an N-bit data(wherein r

A digital signal processor having an ALU and accumulating register small in bit number. The digital signal processor adds r-bit rounding bits to an N-bit data(wherein r

대표청구항 ▼

[What is claimed is:] [1.]data input means for receiving a N-bit data;rounding bit adding means for adding r-bit rounding bits to the N-bit data from the data input means, wherein r is smaller than N;guard bit adding means for adding g-bit guard bits to the high-order bits of the data from the round

[What is claimed is:] [1.]data input means for receiving a N-bit data;rounding bit adding means for adding r-bit rounding bits to the N-bit data from the data input means, wherein r is smaller than N;guard bit adding means for adding g-bit guard bits to the high-order bits of the data from the rounding bit adding means;means for performing a prescribed operation based on the data from the guard bit adding means; androunding/saturation means for making a rounding process, a saturation process and a combined process including the rounding and saturation processes, for the data from the prescribed operation means.