초록 ▼

The invention provides a bus interface converter for converting from AMBA AHB bus protocol to i960-like bus protocol. The converter comprises an AHB interface which can accomplish interface processing for AMBA AHB bus protocol; an i960-like interface which can accomplish interface processing for i96

The invention provides a bus interface converter for converting from AMBA AHB bus protocol to i960-like bus protocol. The converter comprises an AHB interface which can accomplish interface processing for AMBA AHB bus protocol; an i960-like interface which can accomplish interface processing for i960-like bus protocol; and a main controller which can accomplish protocol converting between the AHB interface and the i960-like interface, wherein the AHB interface comprises an AHB bus signal register module which can judge and register control signal from AMBA AHB bus; and an AHB bus signal response module which can generate corresponding response indicating signal of AMBA AHB bus protocol.

대표청구항 ▼

What is claimed is: 1. A bus interface converter capable of converting an AMBA AHB bus protocol into an i960-like bus protocol, comprising:an AHB interface for accomplishing interface processing for the AMBA AHB bus protocol;an i960-like interface for accomplishing interface processing for the i960-

What is claimed is: 1. A bus interface converter capable of converting an AMBA AHB bus protocol into an i960-like bus protocol, comprising:an AHB interface for accomplishing interface processing for the AMBA AHB bus protocol;an i960-like interface for accomplishing interface processing for the i960-like bus protocol; anda main controller for accomplishing bus protocol conversion between the AHB interface and the i960-like interface;wherein, the AHB interface comprising:an AHB bus signal register module for accomplishing judgment and register for control signal from an AMBA AHB bus; andan AHB bus signal response module for generating corresponding response indicating signal of the AMBA AHB bus protocol;the i960-like interface comprising:a bus interface multiplexing request module for generating bus interface multiplexing request signal; anda bus multiplexing module for accomplishing the multiplexing between an address bus for outputting from an AHB to an i960-like and a data bus for outputting from an AHB to an i960-like;wherein a clock of the i960-like interface can be set to be in a normal mode or a low-power mode; in the low-power mode, the clock of the i960-like interface is dynamically controlled by the bus interface multiplexing request signal sent by the bus interface multiplexing request module; when there is communication between the AHB bus and an i960-like bus, the clock of the i960-like interface is valid; and when there is no communication between the AHB bus and the i960-like bus, the clock of the i960-like interface is set high to suspend.