r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 191
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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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• Source: Execution of TRAPA instruction
• Transition address: VBR + H'00000100
• Transition operations:
TRAPA_exception()
{
}
As this is a processing-completion-type exception, the PC contents for the instruction
following the TRAPA instruction are saved in SPC. The value of SR and R15 when the
TRAPA instruction is executed are saved in SSR and SGR. The 8-bit immediate value in the
TRAPA instruction is multiplied by 4, and the result is set in TRA [9:0]. Exception code H'160
is set in EXPEVT. The BL, MD, and RB bits are set to 1 in SR, and a branch is made to PC =
VBR + H'0100.
Unconditional Trap
SPC = PC + 2;
SSR = SR;
SGR = R15;
TRA = imm << 2;
EXPEVT = H'0000 0160;
SR.MD = 1;
SR.RB = 1;
SR.BL = 1;
PC = VBR + H'0000 0100;
Rev. 1.00 Oct. 01, 2007 Page 125 of 1956
Section 5 Exception Handling
REJ09B0256-0100
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