PSD813器件在单片机系统中应用

[11-20 16:15:16]   来源:http://www.88dzw.com  FPGA   阅读:8560

文章摘要: WSIPSD PROPERTY ′Address_Out Aout[7:0]:addr_out [7:0] PortA′; addr_out8..addr_out15 pin; ″address out,Port B pins ″Address output WSIPSD PROPERTY ′Address Out Aout 《15:8]:addr out[15:8] PortB′ a16,a17,a18 pin 18,17,14; ″pc[2:4],a[16:18] ″Extend Address output LCD_ce pin

PSD813器件在单片机系统中应用,标签:fpga是什么,fpga教程,http://www.88dzw.com

    WSIPSD PROPERTY ′Address_Out Aout[7:0]:addr_out

    [7:0] PortA′;

    addr_out8..addr_out15 pin; ″address out,Port B pins

    ″Address output

    WSIPSD PROPERTY ′Address Out Aout 《15:8]:addr

    out[15:8] PortB′

    a16,a17,a18 pin 18,17,14; ″pc[2:4],a[16:18]

    ″Extend Address output

    LCD_ce pin 11; ″pc7, the signal ce of LCD

    SRAM_ce pin 9, ″pd1, the ce of 512K SRAM

    ale pin 10; ″pin 10 address latch enable or PD0

    csi pin 8; ″pin 8,/csi or pd2

    fs7,fs6,fs5,fs4,fs3,fs2,fs1,fs0 node; ″Main Flash

    segment chip selects

    rs0 node;″PSD SRAM chip select

    csiop node;″PSD control and I/O register

    jtagsel node; ″Selects JTAG port active using a prod uct term

    X = .x.; ″Don′t care symbol

    address = [a18..a0]; ″De-muxed microcontroller

    address signals

    EQUATIONS

    jtagsel = 0;

    fs0 = (address >=^h2000 & address <=^h2FFF);

    ″Address of ROM

    fs1 = (address >=^h3000)&(address <=^h3FFF);

    fs2 = (address >=^h4000)&(address <=^h4FFF);

    fs3 = (address >=^h5000)&(address <=^h5FFF);

    fs4 = (address >=^h6000)& (address <=^h6FFF);

    rs0 = (address >=^h7000)& (address <=^h77FF);

    LCD_ce = (address >=^h7800) &(address <=^h7FFF);

    csiop = (address >=^h8000) & (address <=^h80FF);

    SRAM_ce=!(!a16&!a17&!a18)#((address >=^h8100 & (address <=^hFFFF)); ″Address

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