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  • 參數(shù)資料
    型號: MPC5646CCF0CLT1R
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 32-BIT, FLASH, 120 MHz, MICROCONTROLLER, PQFP208
    封裝: 28 X 28 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MS-026BJB, LQFP-208
    文件頁數(shù): 81/115頁
    文件大?。?/td> 783K
    代理商: MPC5646CCF0CLT1R
    MPC5646C Microcontroller Datasheet, Rev. 4
    Preliminary—Subject to Change Without Notice
    Electrical Characteristics
    Freescale Semiconductor
    68
    Figure 14. Slow external crystal oscillator (32 kHz) electrical characteristics
    1 The crystal used is Epson Toyocom MC306.
    2 This is the recommended range of load capacitance at OSC32K_XTAL and OSC32K_EXTAL with respect to
    ground. It includes all the parasitics due to board traces, crystal and package.
    3 Maximum ESR (R
    m) of the crystal is 50 k
    4 C0 Includes a parasitic capacitance of 2.0 pF between OSC32K_XTAL and OSC32K_EXTAL pins.
    Table 37. Slow external crystal oscillator (32 kHz) electrical characteristics
    Symbol
    C
    Parameter
    Conditions1
    1 V
    DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.
    Value2
    2 All values need to be confirmed during device validation.
    Unit
    Min
    Typ
    Max
    fSXOSC
    SR — Slow external crystal oscillator
    frequency
    32
    32.768
    40
    kHz
    gmSXOSC
    CC — Slow external crystal oscillator
    transconductance
    VDD = 3.3 V ± 10%,
    17.45
    28.23
    A/V
    VDD = 5.0 V ± 10%
    17.79
    29.91
    VSXOSC
    CC T Oscillation amplitude
    1.2
    1.4
    1.7
    V
    ISXOSCBIAS CC T Oscillation bias current
    1.2
    4.4
    A
    ISXOSC
    CC T Slow external crystal oscillator
    consumption
    ——
    7
    A
    TSXOSCSU CC T Slow external crystal oscillator
    start-up time
    ——
    23
    3 Start-up time has been measured with EPSON TOYOCOM MC306 crystal. Variation may be seen with other crystal.
    s
    OSCON bit (OSC_CTL register)
    TLPXOSC32KSU
    1
    VOSC32K_XTAL
    VLPXOSC32K
    valid internal clock
    90%
    10%
    1/fLPXOSC32K
    0
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