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64GA106 датащи(PDF) 112 Page - Microchip Technology |
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64GA106 датащи(HTML) 112 Page - Microchip Technology |
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112 / 330 page ![]() PIC24FJ256GA110 FAMILY DS39905E-page 112 2010 Microchip Technology Inc. REGISTER 7-39: INTTREG: INTERRUPT CONTROL AND STATUS REGISTER R-0 U-0 R/W-0 U-0 R-0 R-0 R-0 R-0 CPUIRQ —VHOLD — ILR3ILR2ILR1 ILR0 bit 15 bit 8 U-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 — VECNUM6 VECNUM5 VECNUM4 VECNUM3 VECNUM2 VECNUM1 VECNUM0 bit 7 bit 0 Legend: 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 = VECNUM bits contain the value of the highest priority pending interrupt 0 = 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<6:0>: Pending Interrupt Vector ID bits (pending vector number is VECNUM + 8) 0111111 = Interrupt vector pending is number 135 • • • 0000001 = Interrupt vector pending is number 9 0000000 = Interrupt vector pending is number 8 |
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