Preliminary
S3C2451X RISC MICROPROCESSOR
INTERRUPT CONTROLLER
10-19
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
INTERRUPT OFFSET (INTOFFSET) REGISTER
The value in the interrupt offset register shows, which interrupt request of IRQ mode is in the INTPND register.
This bit can be cleared automatically by clearing SRCPND and INTPND.
Register Address
R/W
Description
Reset
Value
INTOFFSET1
0X4A000014
R
Indicate the IRQ interrupt request source for group
1
0x00000000
INTOFFSET2
0X4A000054
R
Indicate the IRQ interrupt request source for group
2
0x00000000
INT Source for group 1
The OFFSET Value
INT Source for group 1
The OFFSET Value
INT_ADC 31
INT_UART2
15
INT_RTC 30
INT_TIMER4 14
INT_SPI1 29
INT_TIMER3 13
INT_UART0 28
INT_TIMER2
12
INT_IIC0 27
INT_TIMER1 11
INT_USBH 26
INT_TIMER0
10
INT_USBD 25
INT_WDT/AC97 9
INT_NAND 24
INT_TICK
8
INT_UART1 23
nBATT_FLT
7
INT_SPI0 22
INT_CAM
6
INT_SDI0 21
EINT8_23
5
INT_SDI1 20
EINT4_7
4
INT_CFCON 19
EINT3
3
INT_UART3 18
EINT2
2
INT_DMA 17
EINT1
1
INT_LCD 16
EINT0
0
INT Source for group 2
The OFFSET Value
INT Source for group 2
The OFFSET Value
Reserved 31
Reserved
15
Reserved 30
Reserved
14
Reserved 29
Reserved
13
Reserved T0
28
Reserved
12
Reserved 27
Reserved
11
Reserved 26
Reserved
10
Reserved 25
Reserved
9
Reserved 24
Reserved
8