z8fmc16100 ZiLOG Semiconductor, z8fmc16100 Datasheet - Page 63

• Manufacturer Part Number: z8fmc16100
• Description: Z8 Encore Motor Control Flash Mcus
• Manufacturer: ZiLOG Semiconductor

PS024611-0408
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:
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•
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Interrupts are globally disabled by any of the following actions:
•
•
•
•
•
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Port Interrupts
Internal Interrupts
System Exceptions
Execution of an Enable Interrupt (EI) instruction
Execution of a Return from Interrupt (IRET) instruction
Writing a 1 to the IRQE bit in the Interrupt Control register
Execution of a Disable Interrupt (DI) instruction
eZ8 CPU acknowledgement of an interrupt service request from the interrupt controller
Writing a 0 to the IRQE bit in the Interrupt Control register
Reset
Execution of a Trap instruction
Illegal Instruction trap
Figure 6. Interrupt Controller Block Diagram
Medium
Priority
Priority
Priority
High
Low
Z8FMC16100 Series Flash MCU
Product Specification
Priority
Mix
Master Interrupt Enable
Vector
Service Request
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