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    參數(shù)資料
    型號: 20-101-1068
    廠商: Rabbit Semiconductor
    文件頁數(shù): 89/160頁
    文件大小: 0K
    描述: MODULE RABBITCORE RCM3315
    標準包裝: 1
    系列: RabbitCore®
    模塊/板類型: MPU 核心模塊
    適用于相關(guān)產(chǎn)品: RCM3315
    其它名稱: 316-1114
    28
    RabbitCore RCM3305/RCM3315
    Notes
    1. When using pins 33–34 on header J3 to drive LEDs, these pins can handle a sinking
    current of up to 8 mA.
    2. The VRAM voltage is temperature-dependent. If the VRAM voltage drops below about
    1.2 V to 1.5 V, the contents of the battery-backed SRAM may be lost. If VRAM drops
    below 1.0 V, the 32 kHz oscillator could stop running. Pay careful attention to this volt-
    age if you draw any current from this pin.
    Header
    J
    4
    20
    PG7
    Input/Output
    RXE
    Serial Port E
    21
    PG6
    Input/Output
    TXE
    22
    PG5
    Input/Output
    RCLKE
    Serial Clock E input
    23
    PG4
    Input/Output
    TCLKE
    Serial Clock E ouput
    24
    /IOWR
    Output
    External write strobe
    25
    /IORD
    Output
    External read strobe
    26–27
    SMODE0,
    SMODE1
    (0,0)—start executing at address zero
    (0,1)—cold boot from slave port
    (1,0)—cold boot from clocked Serial Port A
    SMODE0 =1, SMODE1 = 1
    Cold boot from asynchronous Serial Port A at
    2400 bps (programming cable connected)
    Also connected to
    programming cable
    28
    /RESET_IN
    Input
    Input to Reset Generator
    29
    VRAM
    Output
    See Notes below table
    30
    VBAT_EXT
    3 V battery Input
    Minimum battery
    voltage 2.85 V
    31
    +3.3 VIN
    Power Input
    3.15–3.45 V DC
    32
    GND
    33
    n.c.
    Reserved for future use
    34
    GND
    Table 2. RCM3305/RCM3315 Pinout Configurations (continued)
    Pin
    Pin Name
    Default Use
    Alternate Use
    Notes
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