參數(shù)資料
型號: R5F2L3AACNFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 20/50頁
文件大?。?/td> 588K
代理商: R5F2L3AACNFP
2. Central Processing Unit (CPU)
REJ03B0293-0010 Rev.0.10
Oct 30, 2009
Page 27 of 48
R8C/L35C Group, R8C/L36C Group, R8C/L38C Group, R8C/L3AC Group
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.
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.
相關(guān)PDF資料
PDF描述
R5F2L3ACCDFP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
R5F2L388CDFA 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
R5F2L387CNFP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
R5F2L367CNFP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
R5F2L3A7CDFP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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