Graphic system comprising a graphic controller and

专利名称：Graphic system comprising a graphic

controller and a DRAM controller

发明人：CALLEMYN, JEAN-MICHEL申请号：EP88202953.1申请日：19881219公开号：EP0322065A1公开日：190628

专利附图：

摘要：The graphic system comprises in particular:… - a screen processor (DCLP) whichseparately formulates the single-word access requests (REQ3) and the access requests(RAF) with multiple consecutive words,… - a bus arbiter (BUSAR) for arbitrating the single-word access requests and selecting a request (REQ-S),… - a DRAM controller (CT.DRAM)for arbitrating the said REQ-S, the multi-word requests (RAF) and the refresh requests(REQ-FR). …The DRAM controller consists preferably of an automatic controller whichgenerates the signals RAS, CAS directly. The automatic controller is preferablyconstructed in PLA form. ……

申请人：LABORATOIRES D'ELECTRONIQUE ET DE PHYSIQUE APPLIQUEE L.E.P.,N.V.

PHILIPS' GLOEILAMPENFABRIEKEN

地址：3, Avenue Descartes 94450 Limeil-Brévannes FR,Groenewoudseweg 1 5621 BAEindhoven NL

国籍：FR,NL

代理机构：Charpail, François

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