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參數(shù)資料
| 型號(hào)： | R5F6456HLFD |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144 |
| 文件頁(yè)數(shù)： | 6/37頁(yè) |
| 文件大?。?/td> | 881K |
| 代理商： | R5F6456HLFD |
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R8C/16 Group, R8C/17 Group
2. Central Processing Unit (CPU)
Rev.2.00
Jan 30, 2006
Page 12 of 35
REJ03B0101-0200
2.8.7
Interrupt Enable Flag (I)
The I flag enables a maskable interrupt.
An interrupt is disabled when the I flag is set to “0”, and are enabled when the I flag is set to “1”. The
I flag is set to “0” when an interrupt request is acknowledged.
2.8.8
Stack Pointer Select Flag (U)
ISP is selected when the U flag is set to “0”, USP is selected when the U flag is set to “1”.
The U flag is set to “0” when a hardware interrupt request is acknowledged or the INT instruction of
software interrupt numbers 0 to 31 is executed.
2.8.9
Processor Interrupt Priority Level (IPL)
IPL, 3 bits wide, assigns processor interrupt priority levels from level 0 to level 7.
If a requested interrupt has greater priority than IPL, the interrupt is enabled.
2.8.10
Reserved Bit
When write to this bit, set to “0”. When read, its content is indeterminate.
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| R5F64571JFD | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| R5F6457HKFD | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| R5F64571LFD | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| R5F6457FKFD | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| R5F6457FJFD | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F64571JFD | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F64571JFD_10 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F64571KFD | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F64571LFD | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F64572JFD | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
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