SH7720 Datasheet, PDF (944/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 26 LCD Controller (LCDC)
26.3.12 LCDC Vertical Display Line Number Register (LDVDLNR)
LDVDLNR specifies the LCD module's vertical size (for both scan direction and vertical
direction). For a DSTN panel, specify an even number at least as large as the LCD panel's vertical
size regardless of the size of the upper and lower panels, e.g. 480 for a 640 x 480 panel.
Bit
Bit Name
15 to 11 
10
VDLN10
9
VDLN9
8
VDLN8
7
VDLN7
6
VDLN6
5
VDLN5
4
VDLN4
3
VDLN3
2
VDLN2
1
VDLN1
0
VDLN0
Initial Value R/W
All 0
R
0
R/W
0
R/W
1
R/W
1
R/W
1
R/W
0
R/W
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Vertical Display Line Number
Set the number of vertical display lines (unit: line).
Specify to the value of (the number of display line) -
1.
Example: For an 480-line LCD module
VDLN = 480-1 = 479 = H'1DF
Rev. 3.00 Jan. 18, 2008 Page 882 of 1458
REJ09B0033-0300