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    參數(shù)資料
    

    


    


    
型號：
MC56F8345

    

    
廠商：
Motorola, Inc.

    

    
英文描述：
56F8345 16-bit Hybrid Controller

    

    
中文描述：
56F8345 16位混合控制器

    

    
文件頁數(shù)：
33/148頁

    

    
文件大?。?/td>
1420K

    

    
代理商：
MC56F8345


    

    

    

	
    
    
    

    
    
	
    Program Map
    56F8345 Technical Data
    Preliminary
    33
    4.2   Program Map
    The Program memory map is located in 
    Table 4-4
    . 
    The operating mode control bits (MA and MB)
    in the Operating Mode Register (OMR) control the Program memory map. At reset, these bits are
    set as indicated in 
    Table 4-2
    .
    EXT_BOOT = EMI_MODE = 0 and cannot be changed in the 56F8345.
    After reset, the OMR MA bit can be changed and will have an effect on the P-space memory map,
    as shown in 
    Table 4-3
    . Changing the OMR MB bit will have no effect.
    Table 4-4
     shows the memory map options of the 56F8345. The two right columns cannot be used,
    since the EMI pins are not provided in the package; therefore, only the Mode 0 column is relevant.
    Table 4-2 OMR MB/MA Value at Reset
    1
    1.
    Information in shaded areas not applicable to 56F8345.
    OMR MB = 
    Flash Secured 
    State
    2,3
    2.
    This bit is only configured at reset. If the Flash secured state changes, this will not be reflected in MB until the next reset.
    3.
    Changing MB in software will not affect Flash memory security.
    OMR MA = 
    EXTBOOT Pin
    Chip Operating Mode
    0
    0
    Mode 0 – Internal Boot; EMI is configured to use 16 address lines; Flash 
    Memory is secured; external P-space is not allowed; the EOnCE is disabled 
    0
    1
    Not valid; cannot boot externally if the Flash is secured and will actually 
    configure to 00 state
    1
    0
    Mode 0 – Internal Boot; EMI is configured to use 16 address lines 
    1
    1
    Mode 1 – External Boot; Flash Memory is not secured; EMI configuration is 
    determined by the state of the EMI_MODE pin 
    Table 4-3 Changing OMR MA Value During Normal Operation
    OMR MA
    Chip Operating Mode
    0
    Use internal P-space memory map configuration
    1
    1
    1.
    Setting this bit can cause unpredictable results and is not recommended, since the EMI is not functional in this package.
    Use external P-space memory map configuration – If MB = 0 at reset, changing this bit has no 
    effect. 
    F
    Freescale Semiconductor, Inc.
    For More Information On This Product,
      Go to: www.freescale.com
    n
    .
    
    
    
    
    
    


    


    

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    相關代理商/技術參數(shù)
    		

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MC56F8345MFG60
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MC56F8345MFGE
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MC56F8345VFG60
功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 60MHz 60MIPS

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MC56F8345VFGE
功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CONTROLLER RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT

    

    
MC56F8346
 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers

    

    
    
    
    
	
    	
    
    
     
     
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