Eit Priority Levels - Mitsubishi Electric M32R Series User Manual

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4.11 EIT Priority Levels

The table below lists the priority levels of EIT events. When multiple EITs occur simultaneously, the
event with the highest priority is accepted first.
Table 4.11.1 Priority of EIT Events and How Returned from EIT
Priority
1(Highest)
2
3
4
Note that for External Interrupt (EI), the priority levels of interrupt requests from each peripheral I/O
are set by the 32170's internal interrupt controller. For details, refer to Chapter 5, "Interrupt
Controller."
EIT Event
Reset Interrupt (RI)
Address Exception (AE)
Reserved Instruction
Exception (RIE)
Trap (TRAP)
System Break
Interrupt (SBI)
External Interrupt (EI)
4-22
Type of Processing Values Set in BPC Register
Instruction processing Indeterminate
-aborted type
Instruction processing- PC of the instruction that
canceled type generated AE
Instruction processing- PC of the instruction that
canceled type generated AE
Instruction processing- TRAP instruction + 4
completed type
Instruction processing- PC of the next instruction
completed type
Instruction processing- PC of the next instruction
completed type
4.11 EIT Priority Levels
Ver.0.10
EIT