DMA channel x configuration register
| EN | Channel enable This bit is set and cleared by software.  |  
| TCIE | Transfer complete interrupt enable This bit is set and cleared by software.  |  
| HTIE | Half transfer interrupt enable This bit is set and cleared by software.  |  
| TEIE | Transfer error interrupt enable This bit is set and cleared by software.  |  
| DIR | Data transfer direction This bit is set and cleared by software.  |  
| CIRC | Circular mode This bit is set and cleared by software.  |  
| PINC | Peripheral increment mode This bit is set and cleared by software.  |  
| MINC | Memory increment mode This bit is set and cleared by software.  |  
| PSIZE | Peripheral size These bits are set and cleared by software.  |  
| MSIZE | Memory size These bits are set and cleared by software.  |  
| PL | Channel priority level These bits are set and cleared by software.  |  
| MEM2MEM | Memory to memory mode This bit is set and cleared by software.  |