GPIO port output data register
| OD0 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD1 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD2 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD3 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD4 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD5 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD6 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD7 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD8 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD9 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD10 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD11 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD12 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD13 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD14 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |  
| OD15 | Port output data bit These bits can be read and written by software. Note: For atomic bit set/reset, the OD bits can be individually set and/or reset by writing to the GPIOx_BSRR or GPIOx_BRR registers (x = A…F).  |