control register
| START | Start |
| SUSP | Suspend |
| ABORT | Abort |
| LOM | Line Offset Mode |
| TEIE | Transfer error interrupt enable |
| TCIE | Transfer complete interrupt enable |
| TWIE | Transfer watermark interrupt enable |
| CAEIE | CLUT access error interrupt enable |
| CTCIE | CLUT transfer complete interrupt enable |
| CEIE | Configuration Error Interrupt Enable |
| MODE | DMA2D mode |