Patent · US Expired

Input circuit for mode setting

US7557604B2 · kind B2 · utility

0Cited by
12References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2005
Grant dateJul 7, 2009
Priority date
Expiry dateAug 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.