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    參數(shù)資料
    型號(hào): EFM32GG990F1024
    廠商: Energy Micro
    文件頁數(shù): 5/73頁
    文件大?。?/td> 0K
    描述: IC MCU 32BIT 1024KB FLASH BGA112
    標(biāo)準(zhǔn)包裝: 1
    系列: Giant Gecko
    核心處理器: ARM? Cortex?-M3
    芯體尺寸: 32-位
    速度: 48MHz
    連通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART,USB
    外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,LCD,POR,PWM,WDT
    輸入/輸出數(shù): 87
    程序存儲(chǔ)器容量: 1MB(1M x 8)
    程序存儲(chǔ)器類型: 閃存
    RAM 容量: 128K x 8
    電壓 - 電源 (Vcc/Vdd): 1.85 V ~ 3.8 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
    振蕩器型: 外部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 112-LFBGA
    包裝: 標(biāo)準(zhǔn)包裝
    其它名稱: 914-1051-6
    Preliminary
    ...the world's most energy friendly microcontrollers
    2013-06-28 - EFM32GG990FXX - d0046_Rev1.10
    13
    www.energymicro.com
    3.5 Transition between Energy Modes
    Table 3.5. Energy Modes Transitions
    Symbol
    Parameter
    Min
    Typ
    Max
    Unit
    tEM10
    Transition time from EM1 to EM0
    0
    1
    HF
    core
    CLK
    cycles
    tEM20
    Transition time from EM2 to EM0
    2
    s
    tEM30
    Transition time from EM3 to EM0
    2
    s
    tEM40
    Transition time from EM4 to EM0
    163
    s
    1Core wakeup time only.
    3.6 Power Management
    The EFM32GG requires the AVDD_x, VDD_DREG and IOVDD_x pins to be connected together at the
    PCB level. For practical schematic recommendations, please see the application note, "AN0002 EFM32
    Hardware Design Considerations".
    Table 3.6. Power Management
    Symbol
    Parameter
    Condition
    Min
    Typ
    Max
    Unit
    VBODextthr-
    BOD threshold on falling
    external supply voltage
    1.82
    1.85
    V
    VBODintthr-
    BOD threshold on falling
    internally regulated supply
    voltage
    1.62
    1.68
    V
    VBODextthr+
    BOD threshold on rising ex-
    ternal supply voltage
    1.85
    V
    VPORthr+
    Power-on Reset (POR)
    threshold on rising external
    supply voltage
    1.98
    V
    tRESET
    Delay from reset is re-
    leased until program execu-
    tion starts
    Applies to Power-on Reset,
    Brown-out Reset and pin re-
    set.
    163
    s
    CDECOUPLE
    Voltage regulator decou-
    pling capacitor.
    X5R capacitor recommended.
    Apply between DECOUPLE
    pin and GROUND
    1
    F
    CUSB_VREGO
    USB voltage regulator out
    decoupling capacitor.
    X5R capacitor recommended.
    Apply between USB_VREGO
    pin and GROUND
    1
    F
    CUSB_VREGI
    USB voltage regulator in
    decoupling capacitor.
    X5R capacitor recommended.
    Apply between USB_VREGI
    pin and GROUND
    4.7
    F
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