EM22=B_0x0
EXTI event mask register
| EM0 | Wake-up with event generation mask on event input 0 |
| EM1 | Wake-up with event generation mask on event input 1 |
| EM2 | Wake-up with event generation mask on event input 2 |
| EM3 | Wake-up with event generation mask on event input 3 |
| EM4 | Wake-up with event generation mask on event input 4 |
| EM5 | Wake-up with event generation mask on event input 5 |
| EM6 | Wake-up with event generation mask on event input 6 |
| EM7 | Wake-up with event generation mask on event input 7 |
| EM8 | Wake-up with event generation mask on event input 8 |
| EM9 | Wake-up with event generation mask on event input 19 |
| EM10 | Wake-up with event generation mask on event input 10 |
| EM11 | Wake-up with event generation mask on event input 11 |
| EM12 | Wake-up with event generation mask on event input 12 |
| EM13 | Wake-up with event generation mask on event input 13 |
| EM14 | Wake-up with event generation mask on event input 14 |
| EM15 | Wake-up with event generation mask on event input 15 |
| EM17 | Wake-up with event generation mask on event input 17 |
| EM18 | Wake-up with event generation mask on event input 18 |
| EM19 | Wake-up with event generation mask on event input 19 |
| EM20 | Wake-up with event generation mask on event input 20 |
| EM21 | Wake-up with event generation mask on event input 21 |
| EM22 | Wake-up with event generation mask on event input 22 0 (B_0x0): Event request from line 22 is masked. 1 (B_0x1): Event request from line 22 is unmasked. |