s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 352

• Manufacturer Part Number: s3c2410a
• Description: 16/32-bit Risc Arm Microprocessor
• Manufacturer: Samsung Semiconductor, Inc.

INTERRUPT CONTROLLER
INTERRUPT PRIORITY GENERATING BLOCK
The priority logic for 32 interrupt requests is composed of seven rotation based arbiters: six first-level arbiters and one
second-level arbiter as shown in Figure 14-2 below.
14-4
ARM IRQ
ARBITER6
Figure 14-2. Priority Generating Block
REQ0
REQ1
REQ2
REQ3
REQ4
REQ5
ARBITER0
ARBITER1
ARBITER2
ARBITER3
ARBITER4
ARBITER5
REQ3/nBATT_FLT
REQ1/EINT0
REQ2/EINT1
REQ3/EINT2
REQ4/EINT3
REQ0/EINT4_7
REQ1/EINT8_23
REQ2/reserved
REQ4/INT_TICK
REQ5/INT_WDT
REQ0/INT_TIMER0
REQ1/INT_TIMER1
REQ2/INT_TIMER2
REQ3/INT_TIMER3
REQ4/INT_TIMER4
REQ5/INT_UART2
REQ0/INT_LCD
REQ1/INT_DMA0
REQ2/INT_DMA1
REQ3/INT_DMA2
REQ4/INT_DMA3
REQ5/INT_SDI
REQ0/INT_SPI0
REQ1/INT_UART1
REQ2/reserved
REQ3/INT_USBD
REQ4/INT_USBH
REQ5/INT_IIC
REQ1/INT_UART0
REQ2/INT_SPI1
REQ3/INT_RTC
REQ4/INT_ADC
S3C2410A