DISPSEL=00, ARCDISPON=0, GRCDISPON=0, ARCON=0
Graphics 1 Alpha Blending Control Register 1
| DISPSEL | Graphics display plane control. 0 (00): Background color display (value set by the GRn_BASE register). 1 (01): Lower-layer graphics display 2 (10): Current graphics display 3 (11): Blended display of lower-layer graphics (input image from the previous stage) and current graphics (graphics data read from the AHB bus) |
| GRCDISPON | Graphics image area border display control. 0 (0): Display off 1 (1): Display on |
| ARCDISPON | Image area border display control for rectangular area alpha blending. 0 (0): Display off 1 (1): Display on |
| ARCON | Rectangular area alpha blending control. 0 (0): Off 1 (1): On |