Renesas HD6417641 用户手册
Section 9 Exception Handling
Rev. 4.00 Sep. 14, 2005 Page 206 of 982
REJ09B0023-0400
Table 9.2
Type of Reset
Internal state
Type Condition
to
reset CPU
On-chip peripheral module
Power-on reset
RESETP = Low level
Manual reset
RESETM = Low level
H-UDI reset
H-UDI reset command entry
Initialization Refer to the register
configurations in the relevant
sections.
sections.
9.3.2 General
Exceptions
CPU address error:
• Conditions
Instruction is fetched from odd address (4n + 1, 4n + 3)
Word data is accessed from addresses other than word boundaries (4n + 1, 4n + 3)
Long word is accessed from addresses other than longword boundaries (4n + 1, 4n + 2,
Word data is accessed from addresses other than word boundaries (4n + 1, 4n + 3)
Long word is accessed from addresses other than longword boundaries (4n + 1, 4n + 2,
4n + 3)
The area ranging from H'80000000 to H'FFFFFFFF in logical space is accessed in user
mode
• Types
Instruction synchronous, re-execution type
• Save address
Instruction fetch: An instruction address to be fetched when an exception occurred
Data access: An instruction address where an exception occurs (a delayed branch instruction
address if an instruction is assigned to a delay slot)
address if an instruction is assigned to a delay slot)
• Exception code
An exception occurred during read: H'0E0
An exception occurred during write: H'1E0
• Remarks
None