M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 703

• Manufacturer Part Number: M-V850E-IA4
• Description: KIT EVAL V850E IA4 UPD70F3186
• Manufacturer: Renesas Electronics America

Specifications of M-V850E-IA4

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(2) Restore
Recovery from a debug trap is carried out by the DBRET instruction. By executing the DBRET instruction, the
CPU carries out the following processing and controls the address of the restored PC.
<1> Loads the restored PC and PSW from DBPC and DBPSW.
<2> Transfers control to the address indicated by the restored PC and PSW.
Caution DBPC and DBPSW can be accessed only during the period between when the DBTRAP is
The restore processing from a debug trap is shown below.
executed and when the DBRET instruction is executed.
CHAPTER 17 INTERRUPT/EXCEPTION PROCESSING FUNCTION
Figure 17-13. Restore Processing from Debug Trap
Jump to address of restored PC
User’s Manual U16543EJ4V0UD
PC
PSW
DBRET instruction
DBPC
DBPSW
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