r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1706

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Section 37 LCD Controller (LCDC)
Note: Hardware rotation allows the use of an LCD panel that has been rotated by 90 degrees.
Rev. 1.00 Oct. 01, 2007 Page 1640 of 1956
REJ09B0256-0100
The settings in relation to the LCD panel should match the settings for the LCD panel
before rotation. Rotation is possible regardless of the drawing processing carried out by
the graphics driver software. However, the sizes in the image data and address offset
values which are managed by the graphics driver software must be altered.
2) Rotation mode
Picture image
LDSARU (start point)
LCD panel
Figure 37.9 Operation for Hardware Rotation (Rotation Mode)
Start point
LDSARU − LDLAOR × (HDCN × 8 − 2) − 1(end point)
End point
Scanning starts from LDSARU.
Scanning is done from large address
to small address of Y coordination.