Rev. 2.00, 09/03, page 117 of 690
Exception
Type
Current
Instruction
Exception Event
Priority
*
1
Exception
Order
Process
at BL=1
Vector
Code
Vector
Offset
TLB invalid
*
4
(data access)
2
3-2
Reset
H'040/
H'060
H'00000100
TLB protection violation
*
4
(data access)
2
3-3
Reset
H'0A0/
H'0C0
H'00000100
Re-executed
Initial page write
*
4
(data access)
2
3-4
Reset
H'080
H'00000100
Unconditional trap (TRAPA
instruction)
2
4
Reset
H'160
H'00000100
General
exception
events
Completed
User breakpoint (After
instruction execution, address)
2
5
Ignored
H'1E0
H'00000100
User breakpoint
(Data break, I-BUS break)
2
5
Ignored
H'1E0
H'00000100
General
interrupt
requests
Completed
DMA address error
2
6
Retained H'5C0
H'00000100
Interrupt
requests
Completed
Interrupt requests
3
—
*
2
Retained —
*
3
H'00000600
Notes: 1. Priorities are indicated from high to low, 1 being the highest and 3 the lowest.
A reset has the highest priority. An interrupt is accepted only when general exceptions
are not requested.
2. For details on priorities in multiple interrupt sources, refer to section 6, Interrupt
Controller (INTC).
3. If an interrupt is accepted, the exception event register (EXPEVT) is not changed. The
interrupt source code is specified in interrupt source register 2 (EXPEVT2). For details,
refer to section 6, Interrupt Controller (INTC).
4. These exception codes are valid when the MMU is used.
Summary of Contents for SH7705
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