Name: Infineon ERU Interrupt 1
Brand: Infineon
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Implementation

› To generate an interrupt via a falling and rising edges on an input pin a few

configuration steps are required:

– Initialize external request pin (IfxScuEru_initReqPin())

– Select which edge should trigger the interrupt

(IfxScuEru_enableRisingEdgeDetection() and/or

IfxScuEru_enableFallingEdgeDetection())

– Enable generation of trigger events with the function

IfxScuEru_enableTriggerPulse()

– Choose the output channel by selecting the Output Gating Unit (OGUz) and the

trigger pulse output (TRxz)

– An event from the Event Trigger Logic (ETL0) triggers the OGU0 (signal

TRx0). The function IfxScuEru_connectTrigger() determines the output

channel for the trigger event

– Select the condition to generate an interrupt with the function

IfxScuEru_setInterruptGatingPattern()

– Configure and enable the service request with the functions IfxSrc_init() and

IfxSrc_enable()

› The functions above are provided by the iLLD headers IfxScuEru.h and IfxSrc.h.

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Infineon ERU Interrupt 1 Specifications

General