Input circuit for mode setting
US7557604B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2005 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/1732
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An input circuit for mode setting, comprising: a chip selection terminal that is operable both in first and second operation modes; a mode setting terminal that is used to select an operation mode from between the first and second operation modes; a logic holding circuit that holds a logic status at the mode setting terminal; and a control circuit that controls the logic holding circuit in accordance with a signal supplied to the chip selection terminal. Operation modes to be selected may be serial interface mode and parallel interface mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.