PXD20RM Datasheet, PDF (544/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Figure 12-72. Case 10 example (selected pixels removed, pixel alpha ignored)
Figure 12-73. Case 13 example (pixel and layer alpha used in blend)
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PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor