4
4-9
Ver.0.10
Figure 4.6.1 Saving and Restoring the PC and PSW
A
A
A
A
PSW
BPC
PC
When EIT is accepted
When "RTE" instruction is executed
2
3
4
1
2
1
AAAA
AAAA
AAAA
AAAA
1
2
Save SM, IE, and C bits
BSM
BIE
BC
SM
IE
C
Update SM, IE, and C bits
SM
IE
C
Unchanged/0
0
0
3
4
Save PC
BPC
PC
Set vector address in PC
PC
Vector address
Restore PC value from BPC
The value of BPC after
execution of the "RTE"
instruction is indeterminate.
2
1
Restore BSM, BIE, and BC bits
from backup bits
SM
IE
C
The values of BSM, BIE, and BC
bits after execution of the "RTE"
instruction are indeterminate.
BSM
BIE
BC
16 17
23 24 25
31(LSB)
15
8
7
0(MSB)
SM
IE
C
BC
BSM
BIE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PSW
BPSW field
PSW field
EIT
4.6 Saving and Restoring the PC and PSW
Summary of Contents for M32170F3VFP
Page 42: ...1 1 24 Ver 0 10 OVERVIEW 1 4 Pin Layout This is a blank page ...
Page 56: ...2 2 14 Ver 0 10 This is a blank page ...
Page 88: ...3 3 32 Ver 0 10 ADDRESS SPACE 3 7 Notes on Address Space This is a blank page ...
Page 270: ...9 9 40 Ver 0 10 DMAC 9 4 Precautions about the DMAC This is a blank page ...
Page 614: ...12 12 64 Ver 0 10 This is a blank page SERIAL I O 12 9 Precautions on Using UART Mode ...
Page 756: ...17 17 10 Ver 0 10 RAM BACKUP MODE 17 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Page 762: ...18 18 6 Ver 0 10 OSCILLATION CIRCUIT 18 2 Clock Generator Circuit This is a blank page ...
Page 831: ...CHAPTER 22 CHAPTER 22 TYPICAL CHARACTERISTICS 22 1 A D Conversion Characteristics ...
Page 833: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Page 841: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...