• 參數(shù)資料
    型號(hào)： M37207EFSP
    廠商： Mitsubishi Electric Corporation
    英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
    中文描述： 單芯片8位CMOS微機(jī)電壓合成器和屏幕顯示控制器
    文件頁數(shù)： 71/121頁
    文件大小： 1907K
    代理商： M37207EFSP
    MITSUBISHI MICROCOMPUTERS
    M37207MF-XXXSP/FP, M37207M8-XXXSP
    M37207EFSP/FP
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
    and ON-SCREEN DISPLAY CONTROLLER
    71
    Fig. 68. CRT Clock Selection Register
    (13) Clock for Display
    As a clock for display to be used for CRT display, it is possible to
    select one of the following 3 types.
    Main clock supplied from the X
    IN
    pin
    Clock from the LC or RC supplied from the pins OSC1 and OSC2.
    Clock from the ceramic resonator or quartz-crystal oscillator sup-
    plied from the pins OSC1 and OSC2.
    This clock for display can be selected for each block by the CRT
    clock selection register (address 0209
    16
    ).
    When selecting the main clock, set the oscillation frequency to
    8 MHz.
    b7 b6 b5 b4 b3 b2 b1 b0
    CRT clock selection register (OP) [Address 0209
    16
    ]
    B
    Name
    Functions
    After reset R W
    CRT Clock Selection Register
    0, 1 CRT clock
    selection bits
    (OP0, OP1)
    0
    Since the main clock is used as the clock for
    display, the oscillation frequency is limited.
    Because of this, the character size in width
    (horizontal) direction is also limited. In this
    case, pins OSC1 and OSC2 are also used
    as input ports P7
    0
    and P7
    1
    respectively.
    The clock for display is supplied by connecting the
    following across the pins OSC1 and OSC2.
    a ceramic resonator only for CRT display and a feedback resistor
    a quartz-crystal oscillator only for CRT display and a feedback
    resistor (See note)
    2
    to
    6
    7
    0
    0
    b1
    1
    The clock for display is supplied by connecting RC
    or LC across the pins OSC1 and OSC2.
    Functions
    0
    b0
    CRT oscillation
    frequency
    = f(X
    IN
    )
    Notes 1:
    It is necessary to connect other ceramic resonator or quartz-crystal oscillator across the pins X
    IN
    and X
    OUT
    .
    2:
    CC6 is the scnanning line double count mode flag.
    0
    1
    1
    1
    R W
    R —
    CC6
    CC6 =
    “0” or “1”
    CC6 = “0”
    CC6 = “0”
    1
    0
    —
    Do not set.
    0
    Fix this bits to “0.”
    R W
    Nothing is assigned. These bits are write disable bits.
    When these bits are read out, the values are “0.”
    相關(guān)PDF資料
    PDF描述
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    M37207M8 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
    M37207M8-059SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
    M37207M8-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
    M37207MF 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
    M37207MF-065SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER
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