A processor element is provided with a data transfer control circuit that sends out an address count pulse (ACNT) onto a control bus. N data transfer channels each contain a data transfer buffer and a buffer control circuit. The buffer control circuit comprises an identification number register, an input/output...http://www.google.com/patents/US5526490?utm_source=gb-gplus-sharePatent US5526490 - Data transfer control unit using a control circuit to achieve high speed data transfer