Reconfigurable filter node for an adaptive computing machine

A reconfigurable filter node comprising:

• an input data memory adapted to store a plurality of input data values;
• a filter coefficient memory adapted to store a plurality of filter coefficient values;
• and
• a plurality of logically adjacent reconfigurable computational units adapted to simultaneously compute filter data values, wherein each computational unit is adapted to process at least one input data value and one filter coefficient;
• wherein each computational unit comprises a first input data value register adapted to store an input data value, and at least one of the first input data value registers of the computational units is adapted to load a successive input data value from the first input data value register of a logically adjacent computational unit;
• each computational unit being configured to perform a filter convolution on the input data values using the filter coefficient provided by the filter coefficient memory, and
• wherein the filter data values are a second plurality of filter coefficients to be used in subsequent filter data value computations.

A reconfigurable filter node comprising:

• an input data memory adapted to store a plurality of input data values;
• a filter coefficient memory adapted to store a plurality of filter coefficient values;
• and
• a plurality of logically adjacent reconfigurable computational units adapted to simultaneously compute filter data values, wherein each computational unit is adapted to process at least one input data value and one filter coefficient;
• wherein each computational unit comprises a first input data value register adapted to store an input data value, and at least one of the first input data value registers of the computational units is adapted to load a successive input data value from the first input data value register of a logically adjacent computational unit;
• including a multiplexer for selecting data from either an output of the computational unit or the input data memory to provide either partially or completely filtered data to an output;
• each computational unit being configured to perform a filter convolution on the input data values using the filter coefficient provided by the filter coefficient memory, and each computation unit being adapted to receive a different one of the filter coefficients so that different ones of the reconfigurable computational units apply different functions to the input data values;
• and
• wherein the input data memory stores I (inphase) and Q (quadature) data for simultaneous filtering of separate I and Q signals.