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參數(shù)資料
| 型號(hào)： | M30201F6TFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 29/159頁(yè) |
| 文件大小： | 2319K |
| 代理商： | M30201F6TFP |
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Unde
Interrupts
deeopmen
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
29
Software Interrupts
A software interrupt occurs when executing certain instructions. Software interrupts are non-maskable
interrupts.
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
executing 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
involved.
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 |
|---|---|
| M30201 | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30201F6 | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30201F6FP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30201F6SP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30201F6TSP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30201F6TFP#U1 | 制造商:Renesas Electronics Corporation 功能描述: |
| M30201F6TSP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30201F6T-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY |
| M30201F6T-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY |
| M30201F6-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY |
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