SAMD21G18
中斷表
參考資訊：
1. cortex-m0-vector-table
如下：
| 0 | Top of Stack |
|---|---|
| 1 | Reset |
| 2 | NMI |
| 3 | HardFault |
| 4 | Reserved |
| 5 | Reserved |
| 6 | Reserved |
| 7 | Reserved |
| 8 | Reserved |
| 9 | Reserved |
| 10 | Reserved |
| 11 | SVCall |
| 12 | Reserved |
| 13 | Reserved |
| 14 | PendSV |
| 15 | SysTick |
| 16 | External Interrupt(0) |
| ... | ... |
| 16 + N | External Interrupt(N) |