5
5-21
Ver.0.10
Figure 5.5.2 Typical Operation for Interrupts from Internal Peripheral I/O
H'0000 0080
BRA instruction
Read Interrupt Vector
Register (IVECT)
Read ICU vector table
Branch to interrupt handler
for each internal peripheral I/O
RTE
H'0080 0004
H'0000 0094
H'0000 010F
..
.
Interrupt
handler
EI (External Interrupt)
handler
EI (External Interrupt)
vector entry
Address
Program
being executed
Interrupt
generated
IVECT
..
..
..
Save BPC to stack
Save PSW to stack
Save general-purpose
register to stack
Restore BPC
Restore PSW
Restore general-
purpose register
Read Interrupt Mask
Register (IMASK) and
save it to stack
IMASK
H'0080 0000
PSW register IE bit = 1
PSW register IE bit = 0
Restore Interrupt Mask
Register (IMASK)
1
2
3
4
6
7
8
5
9
10
10
1 -
8
5
: Processing of EI by
interrupt handler
: When enabling multiple
interrupts
..
..
..
ICU vector
table
Note: For operations performed when accepting EIT and returning from
handlers, also refer to Section 4.3, "EIT Processing Procedure."
(Note)
(Note)
Interrupt
handler
INTERRUPT CONTROLLER (ICU)
5.5 Description of Interrupt Operation
Содержание M32170F3VFP
Страница 19: ...CHAPTER 1 CHAPTER 1 OVERVIEW 1 1 Outline of the 32170 1 2 Block Diagram 1 3 Pin Function 1 4 Pin Layout ...
Страница 42: ...1 1 24 Ver 0 10 OVERVIEW 1 4 Pin Layout This is a blank page ...
Страница 56: ...2 2 14 Ver 0 10 This is a blank page ...
Страница 88: ...3 3 32 Ver 0 10 ADDRESS SPACE 3 7 Notes on Address Space This is a blank page ...
Страница 192: ...6 6 58 Ver 0 10 INTERNAL MEMORY 6 9 Precautions to Be Taken When Rewriting Flash Memory This is a blank page ...
Страница 270: ...9 9 40 Ver 0 10 DMAC 9 4 Precautions about the DMAC This is a blank page ...
Страница 498: ...10 10 228 Ver 0 10 MULTIJUNCTION TIMERS 10 9 TOM Output related 16 bit Timer This is a blank page ...
Страница 550: ...11 11 52 Ver 0 10 A D CONVERTERS 11 4 Precautions on Using A D Converters This is a blank page ...
Страница 614: ...12 12 64 Ver 0 10 This is a blank page SERIAL I O 12 9 Precautions on Using UART Mode ...
Страница 710: ...14 14 16 Ver 0 10 REAL TIME DEBUGGER RTD 14 4 Typical Connection with the Host This is a blank page ...
Страница 746: ...16 16 20 Ver 0 10 WAIT CONTROLLER 16 3 Typical Operation of the Wait Controller This is a blank page ...
Страница 756: ...17 17 10 Ver 0 10 RAM BACKUP MODE 17 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Страница 757: ...CHAPTER 18 CHAPTER 18 OSCILLATION CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit ...
Страница 762: ...18 18 6 Ver 0 10 OSCILLATION CIRCUIT 18 2 Clock Generator Circuit This is a blank page ...
Страница 798: ...19 19 36 Ver 0 10 JTAG 19 6 Precautions about Board Design when Connecting JTAG This is a blank page ...
Страница 830: ...21 21 24 Ver 0 10 PRELIMINARY PRELIMINARY This is a blank page ELECTRICAL CHARACTERISTICS 21 5 AC Characteristics ...
Страница 831: ...CHAPTER 22 CHAPTER 22 TYPICAL CHARACTERISTICS 22 1 A D Conversion Characteristics ...
Страница 833: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Страница 837: ...Appendix 2 1 32170 Instruction Processing Time APPENDIX 2 APPENDIX 2 INSTRUCTION PROCESSING TIME ...
Страница 841: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...