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  • 參數(shù)資料
    型號: TMS320C6211GGP167
    廠商: Texas Instruments, Inc.
    元件分類: 數(shù)字信號處理
    英文描述: FIXED-POINT DIGITAL SIGNAL PROCESSORS
    中文描述: 定點數(shù)字信號處理器
    文件頁數(shù): 89/123頁
    文件大?。?/td> 1205K
    代理商: TMS320C6211GGP167
    www.ti.com
    6.6
    Clock Requirements and Characteristics
    TMS320F2808, TMS320F2806
    TMS320F2801, UCD9501
    Digital Signal Processors
    SPRS230F–OCTOBER 2003–REVISED SEPTEMBER 2005
    Table 6-6. Input Clock Frequency
    PARAMETER
    Resonator (X1/X2)
    Crystal (X1/X2)
    MIN
    20
    20
    TYP
    MAX
    UNIT
    35
    35
    100
    30
    f
    x
    Input clock frequency
    MHz
    Without PLL
    With PLL
    4
    5
    External oscillator/clock
    source (XCLKIN or X1 pin)
    f
    l
    Limp mode clock frequency range
    1-5
    MHz
    Table 6-7. XCLKIN
    (1)
    Timing Requirements - PLL Enabled
    NO.
    C8
    C9
    C10
    C11
    C12
    MIN
    33.3
    MAX
    200
    UNIT
    ns
    ns
    ns
    %
    %
    t
    c(CI)
    t
    f(CI)
    t
    r(CI)
    t
    w(CIL)
    t
    w(CIH)
    Cycle time, XCLKIN
    Fall time, XCLKIN
    Rise time, XCLKIN
    Pulse duration, XCLKIN low as a percentage of t
    c(OSCCLK)
    Pulse duration, XCLKIN high as a percentage of t
    c(OSCCLK)
    This applies to the X1 pin also.
    6
    6
    45
    45
    55
    55
    (1)
    Table 6-8. XCLKIN
    (1)
    Timing Requirements - PLL Disabled
    NO.
    C8
    C9
    MIN
    10
    MAX
    250
    UNIT
    ns
    ns
    ns
    ns
    ns
    %
    %
    t
    c(CI)
    t
    f(CI)
    Cycle time, XCLKIN
    Fall time, XCLKIN
    Up to 20 MHz
    20 MHz to 100 MHz
    Up to 20 MHz
    20 MHz to 100 MHz
    6
    2
    6
    2
    C10
    t
    r(CI)
    Rise time, XCLKIN
    C11
    C12
    t
    w(CIL)
    t
    w(CIH)
    Pulse duration, XCLKIN low as a percentage of t
    c(OSCCLK)
    Pulse duration, XCLKIN high as a percentage of t
    c(OSCCLK)
    This applies to the X1 pin also.
    45
    45
    55
    55
    (1)
    The possible configuration modes are shown in
    Table 3-15
    .
    Table 6-9. XCLKOUT Switching Characteristics (PLL Bypassed or Enabled)
    (1)(2)
    NO.
    C1
    C3
    C4
    C5
    C6
    PARAMETER
    MIN
    10
    TYP
    MAX
    UNIT
    ns
    ns
    ns
    ns
    ns
    cycles
    t
    c(XCO)
    t
    f(XCO)
    t
    r(XCO)
    t
    w(XCOL)
    t
    w(XCOH)
    t
    p
    Cycle time, XCLKOUT
    Fall time, XCLKOUT
    Rise time, XCLKOUT
    Pulse duration, XCLKOUT low
    Pulse duration, XCLKOUT high
    PLL lock time
    2
    2
    H-2
    H-2
    H+2
    H+2
    131072t
    c(OSCCLK)(3)
    (1)
    (2)
    (3)
    A load of 40 pF is assumed for these parameters.
    H = 0.5t
    OSCCLK is either the output of the on-chip oscillator or the output from an external oscillator.
    Electrical Specifications
    89
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