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114
CHAPTER 7 INTERRUPT
7.1
Interrupt
This chapter explains the interrupt and extended intelligent I/O service (EI
2
OS) in the
MB90460/465 series.
• Hardware interrupt
• Software interrupt
• Interrupt from extended intelligent I/O service (EI
2
OS)
• Exception processing
■
Interrupt Types and Functions
●
Hardware interrupt
A hardware interrupt transfers control to a user-defined interrupt processing program in response to an
interrupt request from a peripheral function.
●
Software interrupt
A software interrupt transfers control to a user-defined interrupt processing program triggered by the
execution of a dedicated software interrupt instruction (such as the INT instruction).
●
Interrupt from extended intelligent I/O service (EI
2
OS)
The EI
2
OS function automatically transfers data between a peripheral function and memory. Data transfer,
which has ordinarily been executed by an interrupt processing program, can be handled like a direct
memory access (DMA). When the specified number of data transfers has been terminated, the interrupt
processing program is automatically executed.
An instruction from EI
2
OS is a type of hardware interrupt.
●
Exception processingException processing is basically the same as an interrupt. When an exception
event (execution of an undefined instruction) is detected on the instruction boundary, ordinary
processing is interrupted and exception processing is performed. This is equivalent to software
interrupt instruction INT10.
Содержание MB90460 Series
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Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
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