Samsung S3C2440A Benutzerhandbuch
S3C2440A RISC MICROPROCESSOR
INTERRUPT CONTROLLER
14-3
INTERRUPT SOURCES
The interrupt controller supports 60 interrupt sources as shown in the table below.
Sources Descriptions
Arbiter
Group
INT_ADC
ADC EOC and Touch interrupt (INT_ADC_S/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
INT_NFCON
Nand Flash Control Interrupt
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_AC97
Watch-Dog timer interrupt(INT_WDT, INT_AC97)
ARB1
INT_TICK
RTC Time tick interrupt
ARB1
nBATT_FLT
Battery Fault interrupt
ARB1
INT_CAM
Camera Interface (INT_CAM_C, INT_CAM_P)
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