Microcomputer with plural registers and function for selecting them
US5459682A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 26, 1994 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Apr 26, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/462
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A microcomputer having: a register-set portion provided with a plurality of register sets having a plurality of registers, a first memory unit is included for storing select data for selecting the register-sets, a register-set selection unit for selecting the register-sets in accordance with the select data stored in the first memory unit, a second memory unit for storing select data change data for changing the selection of the register sets, a third memory unit for storing, for the purpose of reservation, the select data stored in the first memory unit, and an arithmetic unit for performing predetermined operations using the select data stored in the first memory unit and the select data change data stored in the second memory unit and supplying the results of the predetermined operations to the first memory unit to change the select data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.