FPIF20=B_0x0, FPIF21=B_0x0
EXTI falling edge pending register
| FPIF0 | Configurable event input x rising edge pending bit |
| FPIF1 | Configurable event input x rising edge pending bit |
| FPIF2 | Configurable event input x rising edge pending bit |
| FPIF3 | Configurable event input x rising edge pending bit |
| FPIF4 | Configurable event input x rising edge pending bit |
| FPIF5 | Configurable event input x rising edge pending bit |
| FPIF6 | Configurable event input x rising edge pending bit |
| FPIF7 | Configurable event input x rising edge pending bit |
| FPIF8 | Configurable event input x rising edge pending bit |
| FPIF9 | Configurable event input x rising edge pending bit |
| FPIF10 | Configurable event input x rising edge pending bit |
| FPIF11 | Configurable event input x rising edge pending bit |
| FPIF12 | Configurable event input x rising edge pending bit |
| FPIF13 | Configurable event input x rising edge pending bit |
| FPIF14 | Configurable event input x rising edge pending bit |
| FPIF15 | Configurable event input x rising edge pending bit |
| FPIF20 | configurable event input x falling edge pending bit 0 (B_0x0): No falling edge trigger request occurred 1 (B_0x1): Falling edge trigger request occurred |
| FPIF21 | configurable event input x falling edge pending bit 0 (B_0x0): No falling edge trigger request occurred 1 (B_0x1): Falling edge trigger request occurred |