Address processor for a signal processor
US5282275A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1991 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Jan 10, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2205/066
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to an address processor for a signal processor. This address processor comprises means for address calculation in a read/write memory containing at least one circular buffer for storing state variables of digital filters. This means comprises a set of registers for storing the current folding address for each circular buffer relative to the absolute start address of the buffer. Furthermore, a calculation unit (+) is included for (1) adding the current folding address to the displacement (data.sub.-- addr, write.sub.-- addr) of a selected state variable relative to the corresponding buffer start address, (2) reducing the sum obtained in step (1) with the corresponding buffer length (mod.sub.-- numb) if the sum exceeds or is equal to this buffer length, and (3) adding the buffer start address to the result obtained in (2) for obtaining the absolute address of the selected state variable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.