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SH7721 Datasheet(PDF) 945 Page - Renesas Technology Corp

Part # SH7721
Description  Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
PDF  1524 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7721 Datasheet(HTML) 945 Page - Renesas Technology Corp

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Section 26
LCD Controller (LCDC)
Rev. 3.00 Jan. 18, 2008 Page 883 of 1458
REJ09B0033-0300
26.3.13
LCDC Vertical Total Line Number Register (LDVTLNR)
LDVTLNR specifies the LCD panel's entire vertical size including the vertical retrace period.
Bit
Bit Name
Initial Value
R/W
Description
15 to 11
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
10
9
8
7
6
5
4
3
2
1
0
VTLN10
VTLN9
VTLN8
VTLN7
VTLN6
VTLN5
VTLN4
VTLN3
VTLN2
VTLN1
VTLN0
0
0
1
1
1
0
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Vertical Total Line Number
Set the total number of vertical display lines (unit:
line).
Specify to the value of (the number of total line) -1.
The minimum for the total number of vertical lines
is 2 lines. The following conditions must be
satisfied:
VTLN>=VDLN, VTLN>=1.
Example: For an 480-line LCD module and a
vertical period of 0 lines.
VTLN = (480+0) –1 = 479 = H'1DF



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