| FX2中断 | 中断来源 | 中断向量 | 优先级 |
| IE0 | INT0 Pin | 0x0003 | 1 |
| TF0 | Timer0 Overflow | 0x000B | 2 |
| IE1 | INT1 Pin | 0x0013 | 3 |
| TF1 | Timer1 Overflow | 0x001B | 4 |
| RI_0 & TI_0 | USART0 Rx & Tx | 0x0023 | 5 |
| TF2 | Timer2 Overflow | 0x002B | 6 |
| Resume | WAKEUP/WU2 Pin | 0x0033 | 0 |
| RI_1 & TI_1 | USART1 Rx & Tx | 0x003B | 7 |
| USBINT | USB | 0x0043 | 8 |
| I2CINT | I2C BUS | 0x004B | 9 |
| IE4 | GPIF/FIFOs/INT4 Pin | 0x0053 | 10 |
| IE5 | INT5 Pin | 0x005B | 11 |
| IE6 | INT6 Pin | 0x0063 | 12 |
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