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Z8F082ASH020SC Fiches technique(PDF) 66 Page - Zilog, Inc. |
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Z8F082ASH020SC Fiches technique(HTML) 66 Page - Zilog, Inc. |
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66 / 244 page ![]() PS024705-0405 P R E L I M I N A R Y Interrupt Controller Z8 Encore! XP® F08xA Series Product Specification 48 Architecture Figure 7 illustrates the interrupt controller block diagram. Figure 7.Interrupt Controller Block Diagram Operation Master Interrupt Enable The master interrupt enable bit (IRQE) in the Interrupt Control register globally enables and disables interrupts. Interrupts are globally enabled by any of the following actions: • Execution of an EI (Enable Interrupt) instruction • Execution of an IRET (Return from Interrupt) instruction Lowest 0036H Port C0, both input edges 0038H Reserved Table 31. Trap and Interrupt Vectors in Order of Priority (Continued) Priority Program Memory Vector Address Interrupt or Trap Source Vector IRQ Request High Priority Medium Priority Low Priority Priority Mux Port Interrupts Internal Interrupts |
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