Patent ID: 6392946
Filing Date: 2002-05-21
Classification: G11C

Abstract:
A SDR and QDR converter, comprising:a QDR interface, to perform a signal exchange with a QDR device; a SDR interface, to perform a signal exchange with a SDR device; a clock controller, to convert a clock signal output from the QDR device into an operation clock signal used by the SDR and QDR converter and the SDR device; a state register set, to store a QDR device state; a command controller, to obtain and process a QDR command signal into a corresponding SDR command signal output to the SDR device; and a data converter, coupled to the command controller, the QDR interface and the SDR interface, to receive a command sent by the command controller, and to convert a QDR data format into an appropriate SDR data format, and to convert a SDR data format into an appropriate QDR data format.