RT56=B_0x0
EXTI rising trigger selection register
| RT39 | Rising trigger event configuration bit of configurable event input x |
| RT40 | Rising trigger event configuration bit of configurable event input x |
| RT51 | Rising trigger event configuration bit of configurable event input 51 |
| RT54 | Rising trigger event configuration bit of configurable event input 54 |
| RT56 | Rising trigger event configuration bit of configurable event input 56 0 (B_0x0): Rising trigger disabled (for event and Interrupt) for input line x 1 (B_0x1): Rising trigger enabled (for event and Interrupt) for input line x |