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68HC705JJ7_1 参数 Datasheet PDF下载

68HC705JJ7_1图片预览
型号: 68HC705JJ7_1
PDF下载: 下载PDF文件 查看货源
内容描述: 常规版本规格 [General Release Specification]
分类和应用:
文件页数/大小: 230 页 / 5548 K
品牌: FREESCALE [ Freescale ]
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Freescale Semiconductor, Inc.  
Ce ntra l Proc e ssor Unit (CPU)  
3.8 Arithm e tic / Log ic Unit (ALU)  
The ALU performs the arithmetic and logical operations defined by the  
instruction set. The binary arithmetic circuits decode instructions and set  
up the ALU for the selected operation. Most binary arithmetic is based  
on the addition algorithm, carrying out subtraction as negative addition.  
Multiplication is not performed as a discrete operation but as a chain of  
addition and shift operations within the ALU. The multiply instruction  
(MUL) requires 11 internal clock cycles to complete this chain of  
operations.  
General Release Specification  
MC68HC705JJ7/MC68HC705JP7 Rev. 3.0  
Central Processor Unit (CPU)  
For More Information On This Product,  
Go to: www.freescale.com  
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