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參數(shù)資料
| 型號： | M306H3MC-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP116 |
| 封裝： | 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116 |
| 文件頁數(shù)： | 102/135頁 |
| 文件大?。?/td> | 2583K |
| 代理商： | M306H3MC-XXXFP |
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Rev.1.00
2004.03.23
page 69 of 320
M306H3MC-XXXFP/FCFP
Interrupt Priority
If two or more interrupt requests are generated while executing one instruction, the interrupt request that
has the highest priority is accepted.
For maskable interrupts (peripheral functions), any desired priority level can be selected using the ILVL2 to
ILVL0 bits. However, if two or more maskable interrupts have the same priority level, their interrupt priority
is resolved by hardware, with the highest priority interrupt accepted.
The watchdog timer and other special interrupts have their priority levels set in hardware. Figure 2.7.8
shows the priorities of hardware interrupts.
Software interrupts are not affected by the interrupt priority. If an instruction is executed, control branches
invariably to the interrupt routine.
Returning from an Interrupt Routine
The FLG register and PC in the state in which they were immediately before entering the interrupt se-
quence are restored from the stack by executing the REIT instruction at the end of the interrupt routine.
Thereafter the CPU returns to the program which was being executed before accepting the interrupt re-
quest.
Return the other registers saved by a program within the interrupt routine using the POPM or similar in-
struction before executing the REIT instruction.
Interrupt Priority Resolution Circuit
The interrupt priority resolution circuit is used to select the interrupt with the highest priority among those
requested.
Figure 2.7.9 shows the circuit that judges the interrupt priority level.
Figure 2.7.8. Hardware Interrupt Priority
Reset
Watchdog timer
Peripheral function
Single step
Address match
High
Low
NMI
DBC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M306H3FCFP | 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP116 |
| M306H5MG-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP116 |
| M306H5MG-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP116 |
| M306H5FGFP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP116 |
| M306N4FGVFP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M306H5FGFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
| M306H5FGFP#U0 | 功能描述:IC M16C/6H MCU FLASH 116LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M16C™ M16C/60 標(biāo)準(zhǔn)包裝:160 系列:S08 核心處理器:S08 芯體尺寸:8-位 速度:40MHz 連通性:I²C，LIN，SCI，SPI 外圍設(shè)備:LCD，LVD，POR，PWM，WDT 輸入/輸出數(shù):53 程序存儲器容量:32KB（32K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1.9K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 12x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:64-LQFP 包裝:托盤 |
| M306H5MC-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
| M306H5MG-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
| M306H7FGFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
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