Patent ID: 7034792
Filing Date: 2006-04-25
Classification: G06F,G09G,G11C,H04M

Abstract:
1. A RAM-incorporated driver that drives a display section, based on a command from an external MPU, and still-image data and moving-image data, the RAM-incorporated driver comprising: a first bus line that transfers the still-image data from the external MPU; a second bus line that transfers the moving-image data from the external MPU; a RAM that stores the still-image data and the moving-image data; a first column address control circuit that specifies a column address in the RAM for writing the still-image data; a second column address control circuit that specifies a column address in the RAM for writing the moving-image data; a first page address control circuit that specifies a page address in the RAM for writing the still-image data; a second page address control circuit that specifies a page address in the RAM for writing the moving-image data; an MPU-related control circuit that controls the first and second column address control circuits and the first and second page address control circuits, based on the command from the external MPU; a display address control circuit that controls reading of the still-image data and the moving-image data stored in the RAM, as display data; and a driver-related control circuit that controls the display address control circuit independently of the MPU-related control circuit.