Technical data
Interrupts and Exceptions, Continued
Table 1–3 (Continued) Interrupt Priority Levels
Priority Level Interrupt Condition SCB Offset
16 IRQ_H[2] asserted Unused
Interval timer (IRQ_H[2] takes priority) C0
15 IRQ_H[1] asserted
14 IRQ_H[0] asserted
Network interface 104
13:10 Unused
0F:01 Software interrupt requests 84-BC
** These conditions generate a hardware halt procedure with a halt code of 2 (external halt).
Exceptions
There are six categories of exceptions.
Arthimetic
Memory management
Operand
Instruction
Tracing
System failure
A list of exceptions, grouped by class, is shown in Table 1–4.
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