SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
This subsequence describes the overlay manager settings and transparency color key configuration (see Table 11-115).
| Step | Register/Bit Field/Programming Model | Value |
|---|---|---|
| Set the LCD panel background color. | DISPC_DEFAULT_COLORo[23:0] DEFAULTCOLOR | 0x– |
| Enable/disable overlay optimization. | DISPC_CONTROLo[12] OVERLAYOPTIMIZATION | 0x– |
| Enable the alpha blender. | DISPC_CONFIG1[18] LCDALPHABLENDERENABLE | 0x1 |
| Configure the transparency color key | ||
| Set source or destination transparency color key mode. | DISPC_CONFIGo[11] TCKLCDSELECTION | 0x– |
| Set the transparency color value. | DISPC_TRANS_COLORo[23:0] TRANSCOLORKEY | 0x– |
| Enable transparency color key mode. | DISPC_CONFIGo[10] TCKLCDENABLE | 0x– |