SH7785 Datasheet, PDF (962/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

19. Display Unit (DU)
Output planes are combined
and displayed according to
the superpositioning order
and blending mode for
each plane.
Display
side
Frame
buffer 1
Frame
buffer 2
Frame
buffer 4
Background color can be specified.
The superpositioning
order can be specified
arbitrarily.
Frame
buffer 1
Frame
buffer 2
Frame
buffer 4
Frame
buffer 3
A double-buffer function is used to switch the frame buffer between drawing side and display side
Figure 19.2 Block Diagram of Plane Configuration and Superpositioning
Rev.1.00 Jan. 10, 2008 Page 932 of 1658
REJ09B0261-0100