发明名称 DATA PROCESSING APPARATUS AND ITS CONTROL METHOD AND PROGRAM
摘要 A data processing apparatus has: a generation unit for generating a sync signal related to a frame period of moving image data; a plurality of processing units each for executing a processing in accordance with the sync signal; a memory; and a memory control unit for accepting access requests to the memory from the plurality of processing units and control a data transfer between each of the plurality of processing units and the memory in accordance with the access request. The memory control unit sets a first period to mask the access request from a predetermined processing unit among the plurality of processing units in accordance with the sync signal and does not accept the access request from the predetermined processing unit in the first period.
申请公布号 US2015066854(A1) 申请公布日期 2015.03.05
申请号 US201414459406 申请日期 2014.08.14
申请人 CANON KABUSHIKI KAISHA 发明人 Yokoi Takaaki
分类号 G06F17/30 主分类号 G06F17/30
代理机构 代理人
主权项 1. A data processing apparatus comprising: a generation unit configured to generate a sync signal related to a frame period of moving image data; a plurality of processing units each configured to execute a processing in accordance with the sync signal; a memory; and a memory control unit configured to accept access requests to the memory from the plurality of processing units and control a data transfer between each of the plurality of processing units and the memory in accordance with the access request, wherein the memory control unit sets a first period to mask the access request from a predetermined processing unit among the plurality of processing units in accordance with the sync signal and does not accept the access request from the predetermined processing unit in the first period.
地址 Tokyo JP