https://community.nxp.com/t5/MPC5xxx/IRQ12/m-p/486915#M2401 <HTML><HEAD></HEAD><BODY><P>Do you have set MSR[EE] bit to enable external interrupts?</P><P>Do have INTC.CPR.R = 0; to lower current INTC priority to start INTC interrupts?</P></BODY></HTML> Fri, 26 Feb 2016 07:57:18 GMT davidtosenovjan 2016-02-26T07:57:18Z https://community.nxp.com/t5/MPC5xxx/IRQ12/m-p/486914#M2400 <HTML><HEAD></HEAD><BODY><P>I have programed, when the Pin of IRQ12 is high, it gives an interrupt. But when the IRQ12 pin goes to high, the flag in SIU_EISR is set, but the MPC5554 goes not</P><P>to the ISR. Ihave programed the INTC in SW mode. In the SW table the address of the ISR is set to vector 50. The SIU is programmed as follows.</P><P>SIU_PCR138 |=0x0903;&nbsp;&nbsp; // Input buffer enable, weak pull-up</P><P>SIU_IREER=0x1000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // IRQ of rising edge of IRQ12</P><P>SIU_DIRER=0x1000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // request IRQ12</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>What is wrong? Can you help me?</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Best regards</P><P>Horst</P></BODY></HTML> Thu, 25 Feb 2016 14:30:28 GMT https://community.nxp.com/t5/MPC5xxx/IRQ12/m-p/486914#M2400 xyxyxyxyxyxyxbb 2016-02-25T14:30:28Z https://community.nxp.com/t5/MPC5xxx/IRQ12/m-p/486915#M2401 <HTML><HEAD></HEAD><BODY><P>Do you have set MSR[EE] bit to enable external interrupts?</P><P>Do have INTC.CPR.R = 0; to lower current INTC priority to start INTC interrupts?</P></BODY></HTML> Fri, 26 Feb 2016 07:57:18 GMT https://community.nxp.com/t5/MPC5xxx/IRQ12/m-p/486915#M2401 davidtosenovjan 2016-02-26T07:57:18Z