A method, a computer program product, and an apparatus are provided. The length of a period for displaying a blanking image in one frame period is controlled in accordance with a control parameter showing the degree of motion blur, and the level of a signal supplied to a display element is changed in accordance with the length of the period for displaying the blanking image. An additional interrupt may be asserted after the Secondary Use operation is complete, to ensure that the Secondary Use packet is processed. In read cycles, or in unselected columns during write cycles, the isolation gate is turned off slightly before the word line is energized, and turned on at or after the word line is de-energized.