Samsung S3C2440A User Manual

Page 353

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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

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