NUC502Apr 30, 2015 Page 108 of 266 Rev 1.16.8.3 Interrupt SourcesThe following table lists all interrupts from various peripheral interface modules or externaldevices.Channel Name SCR Source Reset(default) level1 WDT_INT SCR1[15:8] Watch Dog Timer Interrupt Low2 Reserved Reserved Reserved Low3 INT_GPIO0 SCR1[31:24] GPIO Interrupt0 Low4 INT_GPIO1 SCR2[7:0] GPIO Interrupt1 Low5 INT_GPIO2 SCR2[15:8] GPIO Interrupt2 Low6 INT_GPIO3 SCR2[23:16] GPIO Interrupt3 Low7 INT_APU SCR2[31:24] Audio Processing Unit Interrupt Low8 Reserved Reserved Reserved Low9 Reserved Reserved Reserved Low10 INT_ADC SCR3[23:16] AD Converter Interrupt Low11 INT_RTC SCR3[31:24] RTC Interrupt Low12 INT_UART0 SCR4[7:0] UART-0 Interrupt Low13 INT_UART1 SCR4[15:8] UART-1 Interrupt Low14 INT_TMR1 SCR4[23:16] Timer-1 Interrupt Low15 INT_TMR0 SCR4[31:24] Timer-0 Interrupt Low16 Reserved Reserved Reserved Low17 Reserved Reserved Reserved Low18 Reserved Reserved Reserved Low19 INT_USB SCR5[31:24] USB Device Interrupt(Notes) Low20 Reserved Reserved Reserved Low21 Reserved Reserved Reserved Low22 INT_PWM0 SCR6[23:16] PWM Interrupt0 Low23 INT_PWM1 SCR6[31:24] PWM Interrupt1 Low
