topic Re: HCS12 Interrupt PORTJ in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/HCS12-Interrupt-PORTJ/m-p/203331#M8232 <HTML><HEAD></HEAD><BODY>All pins in PORTJ share the same interrupt service routine. All interrupt sources in one SCI module (Tx Rx errors) share the same interrupt service routine.</BODY></HTML> Wed, 19 Nov 2008 15:28:06 GMT Lundin 2008-11-19T15:28:06Z HCS12 Interrupt PORTJ https://community.nxp.com/t5/S12-MagniV-Microcontrollers/HCS12-Interrupt-PORTJ/m-p/203330#M8231 <HTML><HEAD></HEAD><BODY><SPAN>I have 2 sensors I'm monitoring as SPI on PORTJ.&nbsp; Right now I'm using one interrupt to handle 2 inputs.&nbsp; This is set up in isr_vectors.c as vector #24.</SPAN><BR /><BR /><SPAN>My question is:</SPAN><BR /><BR /><SPAN>Can I have 2 separate interrupts for PORTJ, or do all inputs on PORTJ share the same interrupt?</SPAN><BR /><SPAN>Now, I use one common interrupt for PORTJ and test the flags registers:&nbsp; PIFJ_PIFj0 and PIFJ_PIFj1 to see if any input has occured.</SPAN><BR /><BR /><SPAN>For my SCI application, each have their own interrupt and that works fine.</SPAN><BR /><BR /><SPAN>Thank you.</SPAN><BR /><BR /><SPAN>J F Blahnik</SPAN><BR /><DIV> </DIV></BODY></HTML> Wed, 19 Nov 2008 08:31:59 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/HCS12-Interrupt-PORTJ/m-p/203330#M8231 jimbjimb 2008-11-19T08:31:59Z Re: HCS12 Interrupt PORTJ https://community.nxp.com/t5/S12-MagniV-Microcontrollers/HCS12-Interrupt-PORTJ/m-p/203331#M8232 <HTML><HEAD></HEAD><BODY>All pins in PORTJ share the same interrupt service routine. All interrupt sources in one SCI module (Tx Rx errors) share the same interrupt service routine.</BODY></HTML> Wed, 19 Nov 2008 15:28:06 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/HCS12-Interrupt-PORTJ/m-p/203331#M8232 Lundin 2008-11-19T15:28:06Z