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| 型號(hào)： | M30240F9-XXXFP |
| 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)： | 33/142頁(yè) |
| 文件大?。?/td> | 1637K |
| 代理商： | M30240F9-XXXFP |
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Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Interrupts
2.14.2 Interrupt priority
The order of priority when two or more interrupts are generated simultaneously is determined by both
hardware and software.
The interrupt priority levels determined by hardware are reset > NMI > DBC > watchdog timer > pe-
ripheral I/O interrupts > single-step > address matching interrupt.
The interrupt priority levels determined by software are set in the interrupt control registers.
Figure 1.17 shows the circuit that judges the interrupt hardware priority level. When two or more inter-
rupts are generated simultaneously, the interrupt with the higher software priority is selected. Howev-
er, if the interrupts have the same software priority level, the interrupt is selected according to the
hardware priority set in the circuit.
The selected interrupt is accepted only when the priority level is higher than the processor interrupt
priority level (IPL) in the flag register (FLG) and the interrupt enable flag (I flag) is “1”. Note that the
reset, NMI, DBC, watchdog timer, single-step, address-match, BRK instruction, overflow, and unde-
fined instruction interrupts are accepted regardless of the interrupt enable flag (I flag).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M30240FC-XXXFP | FLEX CONNECTOR, 20 POSN., SMT, VERTICAL, ZIF, W/STANDARD SLIDER, T&R RoHS Compliant: Yes |
| M30240M2-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M5-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240S4-XXXFP | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30240FA | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240FA-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240FC | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240FC-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M1 | 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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