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    參數(shù)資料
    型號: PCA84C641
    廠商: NXP SEMICONDUCTORS
    元件分類: 微控制器/微處理器
    英文描述: 8-bit microcontrollers with OSD and VST(帶OSD 和 VST的8位微控制器)
    中文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PDIP42
    文件頁數(shù): 26/40頁
    文件大?。?/td> 233K
    代理商: PCA84C641
    1996 Nov 29
    26
    Philips Semiconductors
    Product specification
    8-bit microcontrollers with OSD and VST
    84C44X; 84C64X; 84C84X
    12.6.4
    D
    ERIVATIVE REGISTER
    OSDCB
    Table 21
    Derivative register OSDCB (address 43H)
    Table 22
    Description of OSDCB bits
    REGISTER
    FUNCTION
    OSDCB
    Determine the selection of:
    The size of the dot matrix grid
    Four colours from a possible seven for the display.
    7
    6
    5
    4
    3
    2
    1
    0
    CDTW
    CDTH
    CC33
    CC23
    CC32
    CC12
    CC21
    CC11
    BIT SYMBOL
    DESCRIPTION
    7
    CDTW
    Character dot width control
    .The state of this bit determines the dot width of the character. When
    the CDTW bit is set to:
    Logic 1, the character width is 6 dots.
    Logic 0, the character width is 8 dots.
    Character dot height control
    . The state of this bit determines the dot height of the character. When
    the CDTH bit is set to:
    Logic 1, the character height is 13 dots.
    Logic 0, the character height is 9 dots.
    Colour control bits.
    In every VSYNCN cycle one screen can select any 4 colours from 7 and in addition a blank or black
    screen. Combinations of CC1X, CC2X and CC3X control the character outputs VOW1, VOW2 and
    VOW3 as shown in Table 24.
    6
    CDTH
    5
    4
    3
    2
    1
    0
    CC33
    CC23
    CC32
    CC12
    CC21
    CC11
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