PRS0 pin enable
| ASYNCH0PEN | ASYNCH0 pin enable control bit |
| ASYNCH1PEN | ASYNCH1 pin enable control bit |
| ASYNCH2PEN | ASYNCH2 pin enable control bit |
| ASYNCH3PEN | ASYNCH3 pin enable control bit |
| ASYNCH4PEN | ASYNCH4 pin enable control bit |
| ASYNCH5PEN | ASYNCH5 pin enable control bit |
| ASYNCH6PEN | ASYNCH6 pin enable control bit |
| ASYNCH7PEN | ASYNCH7 pin enable control bit |
| ASYNCH8PEN | ASYNCH8 pin enable control bit |
| ASYNCH9PEN | ASYNCH9 pin enable control bit |
| ASYNCH10PEN | ASYNCH10 pin enable control bit |
| ASYNCH11PEN | ASYNCH11 pin enable control bit |
| SYNCH0PEN | SYNCH0 pin enable control bit |
| SYNCH1PEN | SYNCH1 pin enable control bit |
| SYNCH2PEN | SYNCH2 pin enable control bit |
| SYNCH3PEN | SYNCH3 pin enable control bit |