Patent ID: 6754797
Filing Date: 2004-06-22
Classification: G06F,G11C

Abstract:
An application system with an address converter apparatus to support various kinds of memory chips, comprising:a control chip, outputting an address and chip select signal to control a first type memory chip, wherein the control chip does not directly support and control a second type memory chip; a currently operating memory chip, including one of the first type memory chip, the second type memory chip, or a partly malfunctioning first type memory chip; and the address converter apparatus, coupled to the control chip and the currently operating memory chip to convert the address and chip select signal output by the control chip into an output address and chip select signal to control the currently operating memory chip, wherein the address converter apparatus comprises: a select configuration and storage apparatus, to configure and store a select configuration value of the currently operating memory chip; and a logic control and switch circuit, coupled to the select configuration and storage apparatus, the control chip and the currently operating memory chip, to receive the address and chip select signal, and to convert the address and chip select signal into the output address and chip select signal to control the currently operating memory chip, wherein the address and chip select signal includes a first bank address signal, a second bank address signal, a column address signal, a row address signal, a first chip select signal, and a second chip select signal, and wherein the output address and chip select signal includes an output bank address signal, an output column address signal, an output row address signal, a first output chip select signal, and a second output chip select signal.