Patent ID: 7822888
Filing Date: 2010-10-26
Classification: G06F

Abstract:
1. An operation apparatus comprising: a plurality of operation devices operable simultaneously; a sequencer controlling states of the plurality of operation devices; a configuration memory storing therein configuration information as setting information for predetermined states of the plurality of operation devices; a data buffer which stores input data from the outside of the operation apparatus; a first path which transmits the input data to the plurality of operation devices through the data buffer; a second path which transmits the input data to the plurality of operation devices not through the data buffer; and a data buffer control part which controls selection from the first path and the second path, and operation of the data buffer, wherein the sequencer selects configuration information from the configuration information stored in the configuration memory according to a configuration switching condition signal generated from operation processing of the plurality of operation devices, and path selection and operation control for the data buffer carried out by the data buffer control part are set based on the selected configuration information; the data buffer is configured as a double buffer and has two memories; the configuration information for controlling the data buffer is used to determine a writing data size for each of the two memories of the data buffer; and when an externally input data size agrees with a designated writing data size, a memory in the double buffer is switched to the other memory of the double buffer, and data is taken inside from the memory in which writing from the outside has been carried out until then.