发明名称 Method and apparatus for incorporating a multiplier into an FPGA
摘要 One or more columns of multi-function tiles are positioned between CLB tiles of the FPGA array. Each multi-function tile includes multiple function elements that share routing resources. In one embodiment, a multi-function tile includes a configurable, dual-ported RAM and a multiplier that share routing resources of the multi-function tile. The RAM includes first and second input ports coupled to first and second input data buses, respectively, and includes first and second output ports coupled to first and second output data buses, respectively. The multiplier includes first and second operand ports coupled to receive operands from the first and second input data buses, and in response thereto provides a product. In one embodiment, the most significant bits (MSBs) of the product are selectively provided to the first output data bus using bus multiplexer logic, and the least significant bits (LSBs) of the product are selectively provided to the second output data bus using bus multiplexer logic.
申请公布号 US6362650(B1) 申请公布日期 2002.03.26
申请号 US20000574714 申请日期 2000.05.18
申请人 XILINX, INC. 发明人 NEW BERNARD J.;YOUNG STEVEN P.
分类号 H01L21/82;G06F7/52;G06F7/523;G06F17/50;H03K19/177;(IPC1-7):H03K19/177 主分类号 H01L21/82
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