2.6.2 Color Mapping
The 24-bit color mapping is guaranteed to be compatible with other Apalis modules. R7, G7 and
B7 are the most significant bits (MSBs) and R0, G0 and B0 are the least significant bits (LSBs) for
the respective colors. To use displays which require fewer bits (e.g. 18 or 16-bit displays), simply do
not connect the bottom n LSBs for each color, where n is the number of signals that are not
required for a specific color. For instance, to connect an 18-bit display, R0, R1, G0, G1 B0, and B1
will remain unused, and R2, G2, and B2 will become the LSBs for this configuration.
Some Apalis Modules might feature additional color mappings for 18 or 16-bit displays. These
mappings might be incompatible with the 24-bit mapping of the Apalis standard. In order to keep
the design compatible, it is recommended to attach 18 or 16-bit displays to the 24-bit mapped
interface as the following table shows.
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