STILL PICTURE CHANGE METHOD, STILL PICTURE RENEWAL METHOD, DISPLAY SYSTEM AND MOBILE PHONE

摘要

No flicker is displayed on the display screen during display of moving pictures and power consumption can be reduced by adding a high quality moving picture display function. Moreover, the number of times of transfer of moving pictures by comprising a still-picture . text . system . I/O bus . interface and a moving picture interface (external display interface), providing a display operation change register (DM) and a RAM access change register (RM) which are changed selectively depending on display content (display mode) displayed on a display device and displaying the display data on the display device via a picture memory even in the moving picture display mode.