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  • 參數(shù)資料
    型號: MCP4551T-502E/MS
    廠商: Microchip Technology
    文件頁數(shù): 51/88頁
    文件大?。?/td> 0K
    描述: IC POT DGTL 5K SGL 8-MSOP
    標準包裝: 2,500
    接片: 257
    電阻(歐姆): 5k
    電路數(shù): 1
    溫度系數(shù): 標準值 150 ppm/°C
    存儲器類型: 易失
    接口: I²C(設備位址)
    電源電壓: 1.8 V ~ 5.5 V
    工作溫度: -40°C ~ 125°C
    安裝類型: 表面貼裝
    封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
    供應商設備封裝: 8-MSOP
    包裝: 帶卷 (TR)
    2008 Microchip Technology Inc.
    DS22096A-page 55
    MCP453X/455X/463X/465X
    7.2
    Data Byte
    Only the Read Command and the Write Command
    have Data Byte(s).
    The Write command concatenates the 8-bits of the
    Data Byte with the one data bit (D8) contained in the
    Command Byte to form 9-bits of data (D8:D0). The
    Command Byte format supports up to 9-bits of data so
    that the 8-bit resistor network can be set to Full-Scale
    (100h or greater). This allows wiper connections to
    Terminal A and to Terminal B. The D9 bit is currently
    unused.
    7.3
    Error Condition
    If the four address bits received (AD3:AD0) and the two
    command bits received (C1:C0) are a valid combina-
    tion, the MCP4XXX will Acknowledge the I2C bus.
    If the address bits and command bits are an invalid
    combination, then the MCP4XXX will Not Acknowledge
    the I2C bus.
    Once an error condition has occurred, any following
    commands are ignored until the I2C bus is reset with a
    Start Condition.
    7.3.1
    ABORTING A TRANSMISSION
    A Restart or Stop condition in the expected data bit
    position will abort the current command sequence and
    TABLE 7-3:
    COMMANDS
    Command Name
    # of Bits
    High
    Voltage
    (VIHH) on
    HVC pin?
    29
    29
    20
    20
    High Voltage Write Data
    29
    Yes
    High Voltage Read Data
    29
    Yes
    High Voltage Increment Wiper
    20
    Yes
    High Voltage Decrement Wiper
    20
    Yes
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