PXD20RM Datasheet, PDF (548/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Figure 12-78. Case 4 example (selected pixels transparent)
Figure 12-79. Case 6 example (only foreground color blended)
12.4.4.7 Luminance mode
Luminance mode is a special case for the graphic data format and is defined by the BPP bit field in
register 4 in the control descriptor for the layer (CTRLDESCLn_4, where n is the layer number). This
value also influences the range of values for the width of the layer (see Section 12.4.4.3, Layer size and
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PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor