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    EM78P259NSO14J 参数 Datasheet PDF下载

    EM78P259NSO14J图片预览
    型号： EM78P259NSO14J
    PDF下载： 下载PDF文件 查看货源
    内容描述： [EM78Q153SN EM78P153SP EM78P153SN EM78156EH EM78156EP EM78156EM EM78156EKM EM78Q156ELP EM78Q156ELM EM78Q156ELKM EM78P156ELP EM78P156ELM EM78P156ELKM EM78P156NP EM78P156NM EM78447SH EM78447SAP EM78447SAM EM78447SAS EM78447SBP EM78447SBWM EM78Q447SH EM78Q447SAP EM78Q447SAM EM78Q447SBP EM78Q447SBWM EM78P447SAP EM78P447SAM EM78P447SAS EM78P447SBP EM78P447SBWM EM78Q257 EM78Q257AP EM78Q257AM EM78Q257BP EM78Q257BM EM78P257AP EM78P257AM EM78P257BP EM78P257BM EM78451H EM78451P EM78451AQ EM]
    分类和应用：
    文件页数/大小： 81 页 / 2574 K
    品牌： ELAN [ ELAN MICROELECTRONICS CORP ]
     浏览型号EM78P259NSO14J的Datasheet PDF文件第21页浏览型号EM78P259NSO14J的Datasheet PDF文件第22页浏览型号EM78P259NSO14J的Datasheet PDF文件第23页浏览型号EM78P259NSO14J的Datasheet PDF文件第24页浏览型号EM78P259NSO14J的Datasheet PDF文件第26页浏览型号EM78P259NSO14J的Datasheet PDF文件第27页浏览型号EM78P259NSO14J的Datasheet PDF文件第28页浏览型号EM78P259NSO14J的Datasheet PDF文件第29页  
    EM78P258N  
    8-Bit Microprocessor with OTP ROM  
    6.2.7 IOCB0 (Pull-Down Control Register)  
    7
    6
    5
    4
    3
    2
    1
    0
    -
    -
    /PD55  
    /PD54  
    /PD53  
    /PD52  
    /PD51  
    /PD50  
    NOTE  
    IOCB0 register is both readable and writable  
    Bit 7&Bit6:  
    Not used, fixed to “1”.  
    Bit 5 (/PD55): Control bit is used to enable the pull-down of the P55 pin  
    0 = Enable internal pull-down  
    1 = Disable internal pull-down  
    Bit 4 (/PD54): Control bit is used to enable the pull-down of the P54 pin  
    Bit 3 (/PD53): Control bit is used to enable the pull-down of the P53 pin  
    Bit 2 (/PD52): Control bit is used to enable the pull-down of the P52 pin  
    Bit 1 (/PD51): Control bit is used to enable the pull-down of the P51 pin  
    Bit 0 (/PD50): Control bit is used to enable the pull-down of the P50 pin.  
    6.2.8 IOCC0 (Open-Drain Control Register)  
    7
    6
    5
    4
    3
    2
    1
    0
    /OD67  
    /OD66  
    -
    -
    -
    -
    /OD61  
    /OD60  
    NOTE  
    IOCC0 register is both readable and writable  
    Bit 7 (/OD67): Control bit is used to enable the open-drain of the P67 pin  
    0 = Enable open-drain output  
    1 = Disable open-drain output  
    Bit 6 (/OD66): Control bit is used to enable the open-drain of the P66 pin  
    Bit 5~Bit2:  
    Not used, fixed to “1”.  
    Bit 1 (/OD61): Control bit is used to enable the open-drain of the P61 pin  
    Bit 0 (/OD60): Control bit is used to enable the open-drain of the P60 pin  
    Product Specification (V1.0) 06.16.2005  
    • 19  
    (This specification is subject to change without further notice)  

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