SH7261 Datasheet, PDF (127/1348 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 5 Exception Handling
Section 5 Exception Handling
5.1 Overview
5.1.1 Types of Exception Handling and Priority
Exception handling is started by sources, such as resets, address errors, bus errors, register bank
errors, interrupts, and instructions. Table 5.1 shows their priorities. When several exception
handling sources occur at once, they are processed according to the priority shown.
Table 5.1 Types of Exception Handling and Priority Order
Type
Exception Handling
Reset
Power-on reset
Manual reset
Address
error
CPU address error
Bus error Bus error
Instructions FPU exception
Integer division exception (division by zero)
Integer division exception (overflow)
Register Bank underflow
bank error _{Bank overflow}
Interrupts NMI
User break
H-UDI
IRQ
PINT
Priority
High
Low
Rev. 2.00 Sep. 07, 2007 Page 95 of 1312
REJ09B0320-0200