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Texas Instruments AM335 Series Technical Reference Manual

Texas Instruments AM335 Series
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Software Interrupt
ISR_SETp
Mask
MIRp
Priority Threshold
THRESHOLD
Interrupt Priority and
FIQ/IRQ Steering
PRIORITY
ILRq
FIQNIRQ
New Agreement Bits
NEWFIQAGR
Control
NEWIRQAGR
IRQ/FIQ Selector
IRQ_q
Interrupt of
bank p
Priority
Comparator
If (INT Priority
>Threshold)
ITRp
Interrupt Input Status
SIR_FIQ
Active Interrupt Nb,
Spurious Flag
and Priority
FIQ_PRIORITY
SIR_IRQ
IRQ_PRIORITY
Priority Sorting
IRQ
Priority
Sorter
FIQ
Priority
Sorter
IRQ Input FIQ Input
Processor
PENDING_IRQp
PENDING_FIQp
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Functional Description
6.1 Functional Description
The interrupt controller processes incoming interrupts by masking and priority sorting to produce the
interrupt signals for the processor to which it is attached. Figure 6-1 shows the top-level view of interrupt
processing.
NOTE: FIQ is not available on general-purpose (GP) devices.
Figure 6-1. Interrupt Controller Block Diagram
187
SPRUH73HOctober 2011Revised April 2013 Interrupts
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Copyright © 2011–2013, Texas Instruments Incorporated

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Texas Instruments AM335 Series Specifications

General IconGeneral
BrandTexas Instruments
ModelAM335 Series
CategoryComputer Hardware
LanguageEnglish

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