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Interrupt Controller IP

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Compare 9 Interrupt Controller IP from 8 vendors (1 - 9)
  • SDIO/SD Memory/MMC Slave Controller
    • Compatible with SD/SDIO specification 2.0 with 1 and 4 bit data transfer.
    • Provides SD interface to peripheral or memory device through a simple address/data interface.
    • Support SD, SPI and optional MMC bus protocol.
    • Support for both standard capacity and high capacity (SDHC) memory cards.
    Block Diagram -- SDIO/SD Memory/MMC Slave Controller
  • APB Interrupt Controller
    • The interrupt controller monitors interrupts from all other modules within the system and issues interrupt requests to the processor when necessary.
    • The interrupt controller is scalable to support from 1 to 32 interrupt sources. It also provides enable set and enable clear mechanisms to prevent dangerous read-modify-write operations.
    Block Diagram -- APB Interrupt Controller
  • Intel 8259A Functional Equivalent Programmable Interrupt Controller
    • MCS-80/85 and 8088/8086 processor modes.
    • Fully Nested Mode and Special Fully Nested Mode.
    • Special Mask Mode.
    • Buffered Mode.
    Block Diagram -- Intel 8259A Functional Equivalent Programmable Interrupt Controller
  • Intel 8259A Functional Equivalent Programmable Interrupt Controller
    • The DB8259S Programmable Interrupt Controller core is a full function equivalent to the Intel 8259A / Intersil 82C59A / NEC uPD8259A devices.
    • The DB8259S Interrupt Controller manages up to eight vectored priority interrupts for a microprocessor. Using multiple instantiations of the DB8259S core and programming it to cascade mode enables up to sixty-four vectored priority interrupts.
    • More than sixty four vectored interrupts can be accomplished by programming the DB8259S core to Poll Command Mode. Interrupt sources may be either edge or level triggered.
    Block Diagram -- Intel 8259A Functional Equivalent Programmable Interrupt Controller
  • 8259A Interrupt Controller
    • Eight interrupt request input per chip
    • Up to 64 interrupt request inputs per system
    • Edge or level triggered interrupt request inputs
    • Individually maskable interrupt requestsProgrammable interrupt request priority orders
    Block Diagram -- 8259A Interrupt Controller
  • Programmable Interrupt Controller
    • 8 vectored priority interrupts
    • Up to sixty-four vectored priority interrupts with cascading
    • Support for all 82C59A modes features
    • Fully synthesizable HDL Source Code
  • General Interrupt Controller
    • Features -
    • 1. Configurable interrupt types.
    • 2. Configurable ISR Address.
    • 3. Available on AMBA AHB and AMBA APB Interface.
  • Intel™ Programmable Interrupt Controller
    • Functionally based on the Intel 8259 device
    • 8 Level Priority Controller
    • Expandable to 64 Levels
    • Programmable Interrupt Modes
  • Interrupt controller with APB interface
    • APB bus
    • Support up to 32 fast interrupt (FIQ) inputs by configuration
    • Support up to 32 standard interrupt (IRQ) inputs by configuration
    • Provide both edge and level triggered interrupt source with positive and negative directions.
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