Data coupling arrangement
AssigneeThinking Machines Corporation
InventorMahesh N. Ganmukhi
Life of this patent
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Abstract
A data coupling arrangement for successively receiving, in parallel, nibbles of respective data words, each nibble having a value, and for selectively coupling nibbles associated with one word in response to the relative values of the words. The selective coupling is determined by an identifier indication. The identifier indication is generated in response to a selected relationship between values represented by the nibbles from the respective words, until after nibbles are received whose values differ. At that point, the identifier indication is maintained in its condition thereby enabling the transfer of nibbles subsequently received from the same data word.
Claims10
A data coupling arrangement comprising:
- A. a plurality of data input circuits for, in parallel, each successively receiving nibbles of respective data words, each nibble having a value;
- B. a selective coupling circuit for selectively coupling nibbles from one of said data input circuits as identified by an input circuit identifier to an output;
- C. an input identifier control circuit for generating the input circuit identifier having a selected condition to control said selective coupling circuit in response to a selected relationship between values represented by said nibbles to thereby control transfer of nibbles from said data input circuits to the output;
- and
- D. a latch control circuit for, in response to receipt by said data input circuits of nibbles whose values differ, enabling said input identifier circuit to thereafter maintain its condition, thereby enabling said selective coupling circuit to thereafter transfer the nibbles subsequently received by same data input circuit to the output.
Dependencies are inferred from the claim text.