Multi-source-port data processing method and device

Abstract

The invention discloses a multi-source-port data processing method. The method comprises the steps of setting the priority level of each source port; judging the number of source ports for ports operated for the same aim; directly processing the commands of the source port when there is only one source port for ports operated for the same aim; and respectively processing the commands of the multiple source ports according to the priority levels of the source ports when there are more source ports for ports operated for the same aim. Furthermore, the method comprises the steps of unifying the data bit width, the address bit width, the address unit bit width of each source port; unifying the clock signals of each source port and a respective target port; and separating the read-write operation of source ports. The data processing problem of mixed source ports (including timeliness source ports and non-timeliness source ports) is solved. Meanwhile, the data processing efficiency is significantly improved. The design of the target ports is simplified. The invention further discloses a multi-source-port data processing device.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a data processing method and device for multi-source ports. Background technique [0002] Generally, there are four data exchange modes between the source port and the destination port: one-to-one, one-to-many, many-to-one, and many-to-many. Among them, it is most complicated to match multiple source ports to multiple destination ports. [0003] Source ports are divided into time-sensitive source ports and non-time-sensitive source ports according to their timeliness requirements for data processing. The time-sensitive source port means that when it initiates a read request operation, it requires the destination to prepare the data to be read within a specified time and send the data to the read data bus, such as EMEF (External Memory Interface, External Memory Interface ) is a time-sensitive interface. A non-time-sensitive source port means that when it initiates a read request...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the problem in the prior art that the time-sensitive source port and the non-time-sensitive source port can not process data on the destination in the same mechanism, and provide a time-sensitive source port and non-time-sensitive source port. Data processing method and device when source ports are mixed

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