stream x configuration register
| EN | Stream enable / flag stream ready when read low  |  
| DMEIE | Direct mode error interrupt enable  |  
| TEIE | Transfer error interrupt enable  |  
| HTIE | Half transfer interrupt enable  |  
| TCIE | Transfer complete interrupt enable  |  
| PFCTRL | Peripheral flow controller  |  
| DIR | Data transfer direction  |  
| CIRC | Circular mode  |  
| PINC | Peripheral increment mode  |  
| MINC | Memory increment mode  |  
| PSIZE | Peripheral data size  |  
| MSIZE | Memory data size  |  
| PINCOS | Peripheral increment offset size  |  
| PL | Priority level  |  
| DBM | Double buffer mode  |  
| CT | Current target (only in double buffer mode)  |  
| PBURST | Peripheral burst transfer configuration  |  
| MBURST | Memory burst transfer configuration  |