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    參數(shù)資料
    型號(hào): STV0680B
    廠商: 意法半導(dǎo)體
    英文描述: DUAL-MODE DIGITAL CAMERA CHIPSET
    中文描述: 雙模式數(shù)字相機(jī)芯片組
    文件頁(yè)數(shù): 35/60頁(yè)
    文件大?。?/td> 352K
    代理商: STV0680B
    STV0680A + VV6444/6410/6500
    Digital Camera Chipset; Customer Datasheet, Rev 3.0, March 2000
    PRELIMINARY
    CDSTV0680F-C
    Commercial in confidence
    35
    T
    STV0680F_contents.fm
    51
    RESET
    Input (S)
    Active (LOW) STV0680A reset
    System Memory (SDRAM) Interface
    20
    DQMU
    Output
    Data input/output mask for dram_DQ[15:8]
    2mA (SL)
    22
    DCLK
    Output
    Clock: all SDRAM input signals are sampled on the positive
    edge
    4mA
    24
    CKE
    Output
    Clock enable: activates (HIGH) and deactivates (LOW) the
    SDRAM CLK signal
    2mA (SL)
    28
    AD11
    Output
    SDRAM address A11 for 64M SDRAM or BA for 16M
    SDRAM
    2mA (SL)
    31
    AD9
    Output
    SDRAM address A9
    2mA (SL)
    33
    AD8
    Output
    SDRAM address A8
    2mA (SL)
    35
    AD7
    Output
    SDRAM address A7
    2mA (SL)
    37
    AD6
    Output
    SDRAM address A6
    2mA (SL)
    39
    AD5
    Output
    SDRAM address A5
    2mA (SL)
    41
    AD4
    Output
    SDRAM address A4
    2mA (SL)
    40
    AD3
    Output
    SDRAM address A3
    2mA (SL)
    38
    AD2
    Output
    SDRAM address A2
    2mA (SL)
    36
    AD1
    Output
    SDRAM address A1
    2mA (SL)
    34
    AD0
    Output
    SDRAM address A0
    2mA (SL)
    32
    AD10
    Output
    SDRAM address A10
    2mA (SL)
    26
    AD12
    Output
    SDRAM address A12, BA0 for 64M SDRAM, unused on 16M
    2mA (SL)
    30
    AD13
    Output
    SDRAM address A13, BA1 for 64M SDRAM, unused on 16M
    2mA (SL)
    25
    CS
    Output, active low
    Chip select: enables (registered LOW) and disables (regis-
    tered HIGH) the SDRAM command decoder.
    2mA (SL)
    23
    RAS
    Output, active low
    SDRAM row address strobe command
    2mA (SL)
    21
    CAS
    Output, active low
    SDRAM column address strobe command
    2mA (SL)
    19
    WE
    Output, active low
    SDRAM write enable command
    2mA (SL)
    18
    DQML
    Output
    Data input/output mask for dram_DQ[7:0]
    2mA (SL)
    16
    DQ7
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    14
    DQ6
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    12
    DQ5
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    10
    DQ4
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    8
    DQ3
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    6
    DQ2
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    4
    DQ1
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    100
    DQ0
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    2
    DQ15
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    5
    DQ14
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    7
    DQ13
    Input/Output
    SDRAM Data Bus
    2mA (SL)
    Pin no.
    Signal
    Type
    Description
    drive
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