RX610 Group
9. Exceptions
R01UH0032EJ0120 Rev.1.20
Page 203 of 1006
Feb 20, 2013
9.
Exceptions
9.1
Types of Exceptions
During the execution of a program by the CPU, the occurrence of certain events may necessitate suspending execution of
the main flow of the program and starting the execution of another flow. Such events are called exceptions.
The RX CPU supports the seven types of exceptions listed in figure 9.1.
The occurrence of an exception causes the processor mode to switch to supervisor mode.
Exceptions
Undefined instruction exception
Privileged instruction exception
Floating-point exceptions
Reset
Non-maskable interrupt
Interrupts
Unconditional trap
Figure 9.1 Types of Exception
Summary of Contents for RX600 Series
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