SDA55XX Datasheet, PDF (203/230 Pages) Infineon Technologies AG – Preliminary & Confidential

SDA 55xx
Preliminary & Confidential
Display
18.4.9 Shadowing
If shadowing is enabled the ROM characters and 1-bit DRCS characters of the
characters are displayed by west shadow or east shadow. The color vector of
the shadow is defined by software. The shadow color vector has a width of 6 bit.
The shadow feature is enabled by the bit SHEN:
SHEN
0
1
Description
shadow disabled
shadow for ROM characters and 1-bit DRCS characters
see also 1.4 / Global Display Word (GDW)
There are two options for shadowing:
SHEAWE
0
1
Description
east shadowing
west shadowing
see also 1.4 / Global Display Word (GDW)
CLUT entries from 0-63 can be used as a shadow color vector:
SHCOL5
0
0
1
1
SHCOL4
0
0
1
1
SHCOL3 SHCOL2 SHCOL1 SHCOL0
0
0
0
0
0
0
0
1
....
1
1
1
0
1
1
1
1
see also 1.4 / Global Display Word (GDW)
Description
Defines a color vector
for shadowing
see also 18.4.7
Semiconductor Group
203
User’s Manual July 99