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PIC24FJ128GA310 Datasheet(PDF) 142 Page - Microchip Technology |
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PIC24FJ128GA310 Datasheet(HTML) 142 Page - Microchip Technology |
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142 / 406 page  PIC24FJ128GA310 FAMILY DS39996F-page 142 2010-2011 Microchip Technology Inc. REGISTER 8-44: INTTREG: INTERRUPT CONTROLLER TEST REGISTER R-0, HSC U-0 R/W-0 U-0 R-0, HSC R-0, HSC R-0, HSC R-0, HSC CPUIRQ —VHOLD — ILR3ILR2ILR1 ILR0 bit 15 bit 8 U-0 R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC — VECNUM6 VECNUM5 VECNUM4 VECNUM3 VECNUM2 VECNUM1 VECNUM0 bit 7 bit 0 Legend: HSC = Hardware Settable/Clearable bit R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 15 CPUIRQ: Interrupt Request from Interrupt Controller CPU bit 1 = An interrupt request has occurred but has not yet been Acknowledged by the CPU. This happens when the CPU priority is higher than the interrupt priority 0 = No interrupt request is unacknowledged bit 14 Unimplemented: Read as ‘0’ bit 13 VHOLD: Vector Number Capture Configuration bit 1 = The VECNUM bits contain the value of the highest priority pending interrupt 0 = The VECNUM bits contain the value of the last Acknowledged interrupt (i.e., the last interrupt that has occurred with higher priority than the CPU, even if other interrupts are pending) bit 12 Unimplemented: Read as ‘0’ bit 11-8 ILR<3:0>: New CPU Interrupt Priority Level bits 1111 = CPU interrupt priority level is 15 • • • 0001 = CPU interrupt priority level is 1 0000 = CPU interrupt priority level is 0 bit 7 Unimplemented: Read as ‘0’ bit 6-0 VECNUM<5:0>: Vector Number of Pending Interrupt or Last Acknowledged Interrupt bits VHOLD = 1: The VECNUM bits indicate the vector number (from 0 to 118) of the last interrupt to occur VHOLD = 0: The VECNUM bits indicate the vector number (from 0 to 118) of the interrupt request currently being handled |
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