HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 207

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 4.2
Instruction
Position
[A]
[B]
[C1]
[C2]
Notes: 1. A specific address is specified in the SPC if an exception occurs while SR.RC[11:0] ≥ 2.
• Example 1: Repeat loop consisting of four instructions
RptStart: instr1
RptDtct:
RptEnd:
2. Some of instructions are turned to be illegal instructions while SR.RC[11:0] ≥ 1.
3. An interrupt, break or DMA address error request is retained while SR.RC[11:0] ≥ 1.
4. A specific exception code is specified while SR.RC[11:0] ≥ 1.
Instruction Positions regarding a repeat loop and Restriction Types
LDRS RptStart
LDRE RptDtct + 4
SETRC #4
instr0
………
………
RptDtct
RptDtct1
RptDtct2
RptDtct3
InstrNext
SPC*
Illegal
1
; [A]
; [A]
; [A]
; [A][Repeat start instruction]
; [A]
; [A]
; [B] A repeat detection
; [C1]
; [C2]
; [C2][Repeat end instruction]
; [A]
repeat end instruction
Illegal
Instruction*
Added
Added
instruction three
instructions before a
instruction is an
; [A]
2
Interrupt,
Break*
Retained
Retained
Retained
Rev. 1.00, 02/04, page 169 of 804
3
CPU Address
Error*
Instruction/data
Instruction/data
4