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  • 參數(shù)資料
    型號(hào): MCF51AC256BCPUE
    廠商: Freescale Semiconductor
    文件頁(yè)數(shù): 13/42頁(yè)
    文件大?。?/td> 0K
    描述: MCU 32BIT 256K FLASH 64-LQFP
    標(biāo)準(zhǔn)包裝: 160
    系列: MCF51AC
    核心處理器: Coldfire V1
    芯體尺寸: 32-位
    速度: 50MHz
    連通性: I²C,SCI,SPI
    外圍設(shè)備: LVD,PWM,WDT
    輸入/輸出數(shù): 54
    程序存儲(chǔ)器容量: 256KB(256K x 8)
    程序存儲(chǔ)器類型: 閃存
    RAM 容量: 32K x 8
    電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 20x12b
    振蕩器型: 外部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 64-LQFP
    包裝: 托盤
    MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
    Electrical Characteristics
    Freescale Semiconductor
    20
    applicable device specification at room temperature followed by hot temperature, unless specified
    otherwise in the device specification.
    2.5
    DC Characteristics
    This section includes information about power supply requirements, I/O pin characteristics, and power
    supply current in various operating modes.
    Table 8. ESD and Latch-up Test Conditions
    Model
    Description
    Symbol
    Value
    Unit
    Human body
    Series resistance
    R1
    1500
    Storage capacitance
    C
    100
    pF
    Number of pulse per pin
    3
    Charge device
    model
    Series resistance
    R1
    0
    Storage capacitance
    C
    0
    pF
    Number of pulse per pin
    3
    Latch-up
    Minimum input voltage limit
    –2.5
    V
    Maximum input voltage limit
    7.5
    V
    Table 9. ESD and Latch-Up Protection Characteristics
    Num
    Rating
    Symbol
    Min
    Max
    Unit
    1
    Human body model (HBM)
    VHBM
    ±2000
    V
    2
    Charge device model (CDM)
    VCDM
    ±500
    V
    3
    Latch-up current at TA = 85 CILAT
    ±100
    mA
    Table 10. DC Characteristics
    Num
    C
    Parameter
    Symbol
    Min
    Typical1
    Max
    Unit
    1
    — Operating voltage
    2.7
    5.5
    V
    2P
    Output high voltage — Low drive (PTxDSn = 0)
    5 V, ILoad = –4 mA
    3 V, ILoad = –2 mA
    5 V, ILoad = –2 mA
    3 V, ILoad = –1 mA
    VOH
    VDD – 1.5
    VDD – 0.8
    V
    Output high voltage — High drive (PTxDSn = 1)
    5 V, ILoad = –15 mA
    3 V, ILoad = –8 mA
    5 V, ILoad = –8 mA
    3 V, ILoad = –4 mA
    VDD – 1.5
    VDD – 0.8
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