SDA5523 Micronas Semiconductor, SDA5523 Datasheet - Page 94
SDA5523
Manufacturer Part Number
SDA5523
Description
SDA55xx TVText Pro
Manufacturer
Micronas Semiconductor
Datasheet
1.SDA5523.pdf
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SDA 55xx
2.13.7.5.3. CLUT Access for 4-bit DRCS Characters
4-bit DRCS characters are stored in the RAM. Within a
4-bit DRCS character a 4-bit color vector information is
available for each pixel. By this 1 out of 16 color vec-
tors is selected from a subCLUT.
One out of 4 subCLUTs are selected by character dis-
play word (CDW; see also Section 2.13.4. on
page 70).
Please notice Table 2–68 on page 90.
2.13.7.6. Character Resolution
The character matrix of DRCS characters can be
adjusted in vertical direction from 9 lines up to 16 lines.
In horizontal direction the character matrix is fixed to
12 pixels.
Table 2–69: Character resolution
The character matrix of the ROM characters can also
be adjusted in vertical direction from 9 lines up to 16
lines. In horizontal direction the ROM character matrix
is fixed to 12 pixels.
94
CHADRC2
0
0
0
0
1
1
1
1
See also Section 2.13.5. on page 75-Global Display
Word (GDW)
CHADRC1
0
0
1
1
0
0
1
1
CHADRC0
0
1
0
1
0
1
0
1
Description
9 lines
10 lines
11 lines
12 lines
13 lines
14 lines
15 lines
16 lines
Sept. 10, 2004; 6251-556-3DS
Table 2–70: Character matrix settings
The parameter CHAROM is used to characterize the
organization of ROM characters. The parameter
CHADRC is used to characterize the organization of
DRCS characters and the vertical count of lines for a
character row on output side. If the count of lines of
ROM characters is smaller than the count of DRCS
characters the lines of ROM characters are filled up
with background colored pixels.
CHAROM
2
0
0
0
0
1
1
1
1
See also Section 2.13.5. on page 75-Global Display
Word (GDW)
CHAROM
1
0
0
1
1
0
0
1
1
CHAROM
0
0
1
0
1
0
1
0
1
DATA SHEET
Description
9 lines
10 lines
11 lines
12 lines
13 lines
14 lines
15 lines
16 lines
Micronas
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