Power Port F pull-down control register
| PD0 | Port F pull-down bit y (y=0…15)  |  
| PD1 | Port F pull-down bit y (y=0…15)  |  
| PD2 | Port F pull-down bit y (y=0…15)  |  
| PD3 | Port F pull-down bit y (y=0…15)  |  
| PD4 | Port F pull-down bit y (y=0…15)  |  
| PD5 | Port F pull-down bit y (y=0…15)  |  
| PD6 | Port F pull-down bit y (y=0…15)  |  
| PD7 | Port F pull-down bit y (y=0…15)  |  
| PD8 | Port F pull-down bit y (y=0…15)  |  
| PD9 | Port F pull-down bit y (y=0…15)  |  
| PD10 | Port F pull-down bit y (y=0…15)  |  
| PD11 | Port F pull-down bit y (y=0…15)  |  
| PD12 | Port F pull-down bit y (y=0…15)  |  
| PD13 | Port F pull-down bit y (y=0…15)  |