at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 105

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Internal Interrupt
Source Input Stage
External Interrupt
Source Input Stage
1790A–ATARM–11/03
Figure 28. Internal Interrupt Source Input Stage
Figure 29. External Interrupt Source Input Stage
Source i
AIC_ISCR
AIC_ICCR
High/Low
Set
Detector
Pos./Neg.
nIRQ
MCK
Edge
Clear
Peripheral Interrupt
Becomes Active
AIC_SMRi
SRCTYPE
Maximum IRQ Latency = 3.5 Cycles
Level/
Edge
AIC_IPR
AIC_IMR
FF
AT91RM3400
Fast Interrupt Controller
or
Priority Controller
AIC_IECR
AIC_IDCR
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