Patent ID: 8291167
Filing Date: 2012-10-16
Classification: H04L

Abstract:
1. A system for writing cache data, comprising: an on-chip memory device, configured to cache received write requests and write data associated with the received write requests, and sort the received write requests; a request judging device, configured to extract the sorted write requests and the write data associated with the sorted write requests according to write time sequence restriction information of an off-chip memory device; and an off-chip memory device controller, configured to write the write data extracted by the request judging device into the off-chip memory device, wherein the on-chip memory device comprises: a caching module, configured to cache the write data associated with the write requests; a plurality of write queues, configured to store the write requests, wherein a number of the write queues equals to a number of banks in the off-chip memory device; and a sorting module, configured to put the write requests for writing data in one bank of the off-chip memory device in one write queue.