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參數(shù)資料
| 型號(hào)： | M306K9F8LRP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 16 X 16 MM, 0.40 MM PITCH, PLASTIC, TQFP-144 |
| 文件頁(yè)數(shù)： | 57/101頁(yè) |
| 文件大?。?/td> | 2590K |
| 代理商： | M306K9F8LRP |
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Interrupt
Rev.1.00
Jun 06, 2003
page 41 of 290
M16C/6K9 Group
Software Interrupts
A software interrupt occurs when executing certain instructions. Software interrupts are non-maskable inter-
rupts.
Undefined instruction interrupt
An undefined instruction interrupt occurs when executing the UND instruction.
Overflow interrupt
An overflow interrupt occurs when executing the INTO instruction with the overflow flag (O flag) set to “1”.
The following are instructions whose O flag changes by arithmetic:
ABS, ADC, ADCF, ADD, CMP, DIV, DIVU, DIVX, NEG, RMPA, SBB, SHA, SUB
BRK interrupt
A BRK interrupt occurs when executing the BRK instruction.
INT interrupt
An INT interrupt occurs when assigning one of software interrupt numbers 0 through 63 and executing the
INT instruction. Software interrupt numbers 0 through 31 are assigned to peripheral I/O interrupts, so ex-
ecuting the INT instruction allows executing the same interrupt routine that a peripheral I/O interrupt does.
The stack pointer (SP) used for the INT interrupt is dependent on which software interrupt number is in-
volved.
So far as software interrupt numbers 0 through 31 are concerned, the microcomputer saves the stack pointer
assignment flag (U flag) when it accepts an interrupt request. If change the U flag to “0” and select the
interrupt stack pointer (ISP), and then execute an interrupt sequence. When returning from the interrupt
routine, the U flag is returned to the state it was before the acceptance of interrupt request. So far as
software numbers 32 through 63 are concerned, the stack pointer does not make a shift.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M306KAFCLRP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144 |
| M306N0MCT-XXXXFP | 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100 |
| M306N5FCTGP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| M306N5FCFP | 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP100 |
| M306N5FCVFP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M306K9FCLRP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M306K9T2-CPE | 功能描述:M-SUPPORT TOOL RoHS:否 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:* |
| M306KAFCLRP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Description |
| M306N0FG | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M306N0FGT | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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