SDA5523 Micronas Semiconductor, SDA5523 Datasheet - Page 86

• Manufacturer Part Number: SDA5523
• Description: SDA55xx TVText Pro
• Manufacturer: Micronas Semiconductor

SDA 55xx
2.13.7.4. Transparency of Boxes
For characters which are using subCLUT0 the trans-
parency which is defined for the whole CLUT (see also
Section 2.13.7.5. on page 88) can be overruled for
foreground or background pixels. There are two differ-
ent definitions for two box areas to define this overrul-
ing. Which of these two box transparencies is used, is
selected character individual inside the bit BOX in
CDW
Section 2.13.4.)
Transparency definition for characters for BOX0:
The cursor (see also Section 2.13.7. on page 79) is
not affected by these bits.
Table 2–62: Transparency mode of BOX0
86
GLBT2_BOX0
X
0
0
0
1
1
1
See also Section 2.13.5. on page 75-Global Display Word (GDW)
(character
GLBT1_BOX0
0
0
1
1
0
1
1
display
word;
GLBT0_BOX0
0
1
0
1
1
0
1
See
Sept. 10, 2004; 6251-556-3DS
also
Description
Box transparency is disabled for BOX0.
For all pixels the global defined transparency of subCLUT0
is used.
Box transparency is enabled for BOX0 for following pixels:
Foreground pixels of ROM characters
Box transparency is enabled for BOX0 for following pixels:
Foreground pixels of 1-bit DRCS characters
Box transparency is enabled for BOX0 for following pixels:
Foreground pixels of ROM characters
Foreground pixels of 1-bit DRCS characters
Box transparency is enabled for BOX0 for following pixels:
Background pixels of ROM characters
Box transparency is enabled for BOX0 for following pixels:
Background pixels of 1-bit DRCS characters
Box transparency is enabled for BOX0 for following pixels:
Background pixels of ROM characters
Background pixels of 1-bit DRCS characters
DATA SHEET
Micronas