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| 型号： | R5F21355DDFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52 |
| 封装： | 10 X 10 MM, 0.65 MM, PLASTIC, LQFP-52 |
| 文件页数： | 4/46页 |
| 文件大小： | 417K |
| 代理商： | R5F21355DDFP |
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R8C/35D Group
2. Central Processing Unit (CPU)
REJ03B0286-0100 Rev.1.00
Page 12 of 43
Mar 26, 2010
2.8.7
Interrupt Enable Flag (I)
The I flag enables maskable interrupts.
Interrupts are 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 is 3 bits wide and assigns processor interrupt priority levels from level 0 to level 7.
If a requested interrupt has higher priority than IPL, the interrupt is enabled.
2.8.10
Reserved Bit
If necessary, set to 0. When read, the content is undefined.
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PDF描述 |
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| R5F21358ADFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52 |
| R5F21357ADFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52 |
| R5F21357ANFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F21355DDFP#V0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 24KB FLASH 52LQFP |
| R5F21355DNFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F21355MDFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:household appliances, office equipment, audio equipment, consumer equipment |
| R5F21355MDFP#V0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 24KB FLASH 52LQFP |
| R5F21355MNFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:household appliances, office equipment, audio equipment, consumer equipment |
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