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KS32C50100

Samsung
Part Number KS32C50100
Manufacturer Samsung
Description Interrupt Controller
Published Mar 10, 2006
Detailed Description KS32C50100 RISC MICROCONTROLLER INTERRUPT CONTROLLER 13 • • • INTERRUPT CONTROLLER The KS32C50100 interrupt controll...
Datasheet PDF File KS32C50100 PDF File

KS32C50100
KS32C50100

Overview
KS32C50100 RISC MICROCONTROLLER INTERRUPT CONTROLLER 13 • • • INTERRUPT CONTROLLER The KS32C50100 interrupt controller has a total of 21 interrupt sources.
Interrupt requests can be generated by internal function blocks and at external pins.
The ARM7TDMI core recongnizes two kinds of interrupts: a normal interrupt request (IRQ), and a fast interrupt request (FIQ).
Therefore all KS32C50100 interrupts can be categorized as either IRQ or FIQ.
The KS32C50100 interrupt controller has an interrupt pending bit for each interrupt source.
Four special registers are used to control interrupt generation and handling: Interrupt priority registers.
The index number of each interrupt source is written to the pre-defined interrupt priority register field to obtain that priority.
The interrupt priorities are pre-defined from 0 to 20.
Interrupt mode register.
Defines the interrupt mode, IRQ or FIQ, for each interrupt source.
Interrupt pending register.
Indicates that an interrupt request is pendin...


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