Title:
CONTROL SYSTEM FOR TRANSMISSION OF INFORMATION
Document Type and Number:
Japanese Patent JPS62100857
Kind Code:
A
Abstract:
PURPOSE:To prevent the deterioration of the overall processing capacity of a control system for transfer of information despite the increase of the information quantity, by transferring the information only between the controller selected by a route selecting device and a shared memory of each block. CONSTITUTION:The controllers 11 and 12 have control buses 71 and 72 and connected with (n) pieces of shared memories 131-13n divided for each transfer of information via route selecting circuits 141-14n. These circuits 141-14n select the controller 11 or 12 according to the states of selection state display circuits 151-15n and connect the memories 131-13n to the bus 71 or 72. In case a shared memory 13k, for example, is kept under the control of the controller 11 and the information is transferred to the controller 12 from the controller 11, the controller 11 writes the information to be transferred to the memory 13k and then rewrites the state of a selection state display circuit 15k to select the controller 12 to which the data is transferred.
Inventors:
KAMAIKE KENICHIRO
Application Number:
JP23941285A
Publication Date:
May 11, 1987
Filing Date:
October 28, 1985
Export Citation:
Assignee:
NEC CORP
International Classes:
G06F15/16; G06F12/00; G06F12/06; G06F13/18; G06F15/177; (IPC1-7): G06F13/18; G06F15/16
Attorney, Agent or Firm:
Yoshiyuki Iwasa