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S3C2410A INTERRUPT CONTROLLER
14-3
INTERRUPT SOURCES
The interrupt controller supports 56 interrupt sources as shown in the table below.
Sources Descriptions Arbiter Group
INT_ADC ADC EOC and Touch interrupt (INT_ADC/INT_TC) ARB5
INT_RTC RTC alarm interrupt ARB5
INT_SPI1 SPI1 interrupt ARB5
INT_UART0 UART0 Interrupt (ERR, RXD, and TXD) ARB5
INT_IIC IIC interrupt ARB4
INT_USBH USB Host interrupt ARB4
INT_USBD USB Device interrupt ARB4
Reserved Reserved ARB4
INT_UART1 UART1 Interrupt (ERR, RXD, and TXD) ARB4
INT_SPI0 SPI0 interrupt ARB4
INT_SDI SDI interrupt ARB 3
INT_DMA3 DMA channel 3 interrupt ARB3
INT_DMA2 DMA channel 2 interrupt ARB3
INT_DMA1 DMA channel 1 interrupt ARB3
INT_DMA0 DMA channel 0 interrupt ARB3
INT_LCD LCD interrupt (INT_FrSyn and INT_FiCnt) ARB3
INT_UART2 UART2 Interrupt (ERR, RXD, and TXD) ARB2
INT_TIMER4 Timer4 interrupt ARB2
INT_TIMER3 Timer3 interrupt ARB2
INT_TIMER2 Timer2 interrupt ARB2
INT_TIMER1 Timer1 interrupt ARB 2
INT_TIMER0 Timer0 interrupt ARB2
INT_WDT Watch-Dog timer interrupt ARB1
INT_TICK RTC Time tick interrupt ARB1
nBATT_FLT Battery Fault interrupt ARB1
Reserved Reserved ARB1
EINT8_23 External interrupt 8 – 23 ARB1
EINT4_7 External interrupt 4 – 7 ARB1
EINT3 External interrupt 3 ARB0
EINT2 External interrupt 2 ARB0
EINT1 External interrupt 1 ARB0
EINT0 External interrupt 0 ARB0