M16C62_N Datasheet, PDF (448/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

Address Match Interrupt
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Address match interrupt routine
[1] Storing registers
[2] Determining the interrupt address
No
Address match 0?
Yes
Address match 0 program
No
Address match 1?
Yes
Address match 1 program
[3] Rewriting the stack
Restoring registers
REIT
Handling an error
Explanation:
[1] Storing the contents of the registers holding the main program status to be kept.
[2] Determining the interrupt address
Determining which factor generated the interrupt.
[3] Rewriting the stack
Rewriting the return address.
Figure 2.12.5. Overview of the address match interrupt handling routine
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