GPIO port mode register
| MODE0 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE1 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE2 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE3 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE4 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE5 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE6 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE7 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE8 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE9 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE10 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE11 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE12 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE13 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE14 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |  
| MODE15 | [1:0]: Port x configuration bits (y = 0…15) These bits are written by software to configure the I/O mode.  |