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FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 6 EIT: Exceptions, Interrupts and Traps

7.Multiple EIT Processing

Figure 7-1 Multiple EITs Process

Priority

(High) Generation of NMI

(Middle) Execution of INT instruction

INT instruction

handler

(2) Second execution

Main routine

NMI handler

(1) First execution

(3) Third execution

(Low) Execution of user interrupt

User interrupt

handler