专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5224056A Logic placement using positionally asymmetrical partitioning algorithm 失效
标题翻译：使用位置不对称分割算法的逻辑放置
公开(公告)号：US5224056A
公开(公告)日：1993-06-29
申请号：US784844
申请日：1991-10-30
申请人： Mon R. Chene , Stephen M. Trimberger
发明人： Mon R. Chene , Stephen M. Trimberger
IPC分类号： G06F17/50
CPC分类号： G06F17/5072
摘要： A modified partitioning method for placement of a circuit design into a programmable integrated circuit device (PICD), the PICD having a specific distribution of physical resources corresponding to a specific circuit structure. The circuit design includes a plurality of circuit elements which include specific circuit elements which correspond to the specific circuit structure. The modified method includes the steps of identifying the specific circuit elements and partitioning the plurality of circuit elements such that the identified specific circuit elements are placed in a location corresponding to the specific physical distribution of resources. In one embodiment of the modified partitioning method according to the present invention, the step of partitioning further includes the steps of forming into a cell the identified specific circuit elements and performing a first phase of partitioning wherein the cell and the remaining ones of the plurality of circuit elements are partitioned into successively smaller groups until a stop condition is satisfied. The cell is then decomposed such that the contents of the group containing the cell change to include the specific circuit elements. The group containing the specific circuit elements is then partitioned such that the area and the location of the group corresponds to the specific physical distribution of resources.
摘要翻译：一种用于将电路设计放置到可编程集成电路器件（PICD）中的修改的分割方法，PICD具有与特定电路结构对应的物理资源的特定分布。电路设计包括多个电路元件，其包括对应于特定电路结构的特定电路元件。修改的方法包括以下步骤：识别特定电路元件并分割多个电路元件，使得所识别的特定电路元件被放置在与特定的资源物理分布对应的位置。在根据本发明的修改分割方法的一个实施例中，分割步骤还包括以下步骤：将识别的特定电路元件形成单元格并执行第一分区阶段，其中单元和多个电路元件被分成相继较小的组，直到满足停止条件。然后分解单元，使得包含单元的组的内容改变以包括特定的电路元件。然后对包含特定电路元件的组进行分区，使得组的区域和位置对应于资源的特定物理分布。

IPRDB

热门服务

关于我们

友情链接

联系方式