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| 型号： | R5F2134AFKFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | FLASH, 20 MHz, MICROCONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件页数： | 15/46页 |
| 文件大小： | 0K |
| 代理商： | R5F2134AFKFP |
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R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
2. Central Processing Unit (CPU)
REJ03B0246-0010 Rev.0.10
Apr 17, 2008
Page 22 of 44
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
2.8.7
Interrupt Enable Flag (I)
The I flag enables maskable interrupts.
Interrupt 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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相关代理商/技术参数 |
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| R5F2134AWJFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F2134AWKFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F2134AXJFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F2134AXKFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| R5F2134AYJFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
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