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4
4.5 Acceptance of EIT Event
When an EIT event occurs, the M32R/E suspends the program it has hitherto been executing and
branches to EIT processing by the relevant handler. Conditions under which each EIT event occurs
and the timing at which they are accepted are shown below.
Table 4.5.1 Acceptance of EIT Events
EIT Event
Reserved Instruction
Exception (RIE)
Address Exception (AE)
Reset Interrupt (RI)
System Break
Interrupt (SBI)
External Interrupt (EI)
Trap (TRAP)
Type of Processing
Instruction processing-
canceled type
Instruction processing-
canceled type
Instruction processing-
aborted type
Instruction processing-
completed type
Instruction processing-
completed type
Instruction processing-
completed type
4-7
4.5 Acceptance of EIT Events
Acceptance Timing
Values Set in BPC Register
During instruction
PC value of the instruction
execution
which generated RIE
During instruction
PC value of the instruction
execution
which generated AE
Each machine cycle
Indeterminate value
Break in instructions
PC value of the next instruction
(only word boundaries)
Break in instructions
PC value of the next instruction
(only word boundaries)
Break in instructions
PC value of TRAP
instruction + 4
EIT
Ver.0.10
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