at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 317

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

27.7.1.5
27.7.1.6
6384B–ATARM–15-Dec-08
Internal Interrupt Source Input Stage
External Interrupt Source Input Stage
Figure 27-4.
Figure 27-5. External Interrupt Source Input Stage
Source i
AIC_ICCR
AIC_ISCR
Source i
AIC_ISCR
AIC_ICCR
Internal Interrupt Source Input Stage
High/Low
Set
Detector
Pos./Neg.
Edge
Detector
Set
Edge
Clear
Clear
AIC_SMRi
(SRCTYPE)
AIC_SMRI
SRCTYPE
Level/
Edge
Level/
Edge
AT91SAM9G20 Preliminary
AIC_IPR
AIC_IPR
AIC_IMR
AIC_IMR
FF
FF
AIC_IDCR
AIC_IECR
Fast Interrupt Controller
or
Priority Controller
Fast Interrupt Controller
Priority Controller
AIC_IECR
AIC_IDCR
or
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