G - Physics – 06 – F
Patent
G - Physics
06
F
354/236
G06F 13/22 (2006.01) G06F 13/38 (2006.01)
Patent
CA 1191268
ABSTRACT A COMMUNICATION LINE SCANNING DEVICE FOR A COMMUNICATION CONTROLLER A line scanning device for the line adapter of a communication controller comprises three memories addressable by an address select and control device which sequentially generates the address of the lines to be scanned on line and the addresses of the memories and read/write control signals. The memories are associated to two logic circuits. One circuit is connected to the lines to be scanned and the other is connected to a microprocessor associated with the scanning device. In each memory, location areas are assigned to each line. The message is processed in assembly at the bit level and in assembly at the character level. The exchange operation with the microprocessor is performed in cycle steal mode between assembly and the microprocessor control memory.
414119
Brezzo Bernard
Calvignac Jean
Dambricourt Richard
Masclet Andre
Sanche Jean-Pierre
Barrett B.p.
International Business Machines Corporation
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