| 摘要 |
A list structure control circuit includes memories each individually stores data, selection circuits arranged for each of the memories and series-connect the memories so that data stored in each memory has an order relation, and an update control circuit that adds a position selection signal which specifies a position for data insertion or data removal to a fixed value, or subtracts the position selection signal from the fixed value, generates an enable signal based on the calculation result, and controls data retention performed in the memories or data update performed in the memories using data of a memory in precedent stages based on the generated enable signal, wherein the selection circuits are controlled based on the position selection signal at the time of the data insertion, and data stored in a memory located at the position specified by the position specification signal is updated with data to be inserted. |
