channel x configuration register
| EN | channel enable |
| TCIE | transfer complete interrupt enable |
| HTIE | half transfer interrupt enable |
| TEIE | transfer error interrupt enable |
| DIR | data transfer direction |
| CIRC | circular mode |
| PINC | peripheral increment mode |
| MINC | memory increment mode |
| PSIZE | peripheral size |
| MSIZE | memory size |
| PL | priority level |
| MEM2MEM | memory-to-memory mode |
| SECM | ecure mode |
| SSEC | ecurity of the DMA transfer from the source |
| DSEC | ecurity of the DMA transfer to the destination |
| PRIV | rivileged mode |