r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1854
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
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Section 41 User Break Controller (UBC)
• When the match condition is satisfied at the operand access cycle for the first channel in the
• When the match condition is satisfied at the operand access cycle for both the first and second
41.3.6
When a break has occurred, the address of the instruction to be executed when the program
restarts is saved in the SPC then the exception handling state is initiated. A unique instruction
causing a break can be identified unless the data value is included in the match conditions.
1. When the instruction fetch cycle (before instruction execution) is specified as the match
2. When the instruction fetch cycle (after instruction execution) is specified as the match
Rev. 1.00 Oct. 01, 2007 Page 1788 of 1956
REJ09B0256-0100
Instruction B is 0 to five instructions after
instruction A
Instruction B is six or more instructions after
instruction A
Instruction B is 0 to five instructions after
instruction A
Instruction B is six or more instructions after
instruction A
sequence whereas the match condition is satisfied at the instruction fetch cycle for the second
channel in the sequence:
channels in the sequence:
condition:
The address of the instruction which has satisfied the match conditions is saved in the SPC.
The instruction which has satisfied the match conditions is not executed, but a break occurs
instead. However, if the match conditions are satisfied for the delayed slot instruction, the
address of the delayed branch instruction is saved in the SPC.
condition:
The address of the instruction immediately after the instruction which has satisfied the match
conditions is saved in the SPC. The instruction which has satisfied the match conditions is
executed, then a break occurs before the next instruction. If the match conditions are satisfied
for the delayed branch instruction or its delayed slot, these instructions are executed and the
address of the branch destination is saved in the SPC.
Program Counter Value to be Saved
Sequential operation is not guaranteed.
Sequential operation is guaranteed.
Sequential operation is not guaranteed.
Sequential operation is guaranteed.
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