MCP23009 I2

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  1. 參數(shù)資料
    型號: MCP23S09-E/MG
    廠商: Microchip Technology
    文件頁數(shù): 49/50頁
    文件大?。?/td> 0K
    描述: IC I/O EXPANDER SPI 8B 16QFN
    標(biāo)準(zhǔn)包裝: 120
    接口: SPI
    輸入/輸出數(shù): 8
    中斷輸出:
    頻率 - 時鐘: 10MHz
    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: 16-VFQFN 裸露焊盤
    供應(yīng)商設(shè)備封裝: 16-QFN-EP(3x3)
    包裝: 管件
    產(chǎn)品目錄頁面: 684 (CN2011-ZH PDF)
    MCP23009/MCP23S09
    DS22121B-page 8
    2009 Microchip Technology Inc.
    FIGURE 1-1:
    MCP23009 I2C DEVICE PROTOCOL
    S
    P
    SR
    w
    R
    OP
    ADDR
    DOUT
    DIN
    - Start
    - Restart
    - Stop
    - Write
    - Read
    - Device opcode
    - Device address
    - Data out from MCP23009
    - Data in to MCP23009
    S
    P
    SR
    W
    R
    OP
    ADDR
    DIN
    ....
    S
    P
    W
    R
    OP
    ADDR
    DOUT
    ....
    P
    SR
    W
    OP
    ADDR
    DIN
    ....
    P
    SR
    R
    DOUT
    ....
    P
    OP
    DOUT
    ....
    P
    SR
    OP
    DOUT
    ....
    P
    OP
    DIN
    S
    P
    W
    OP
    ADDR
    DIN
    ....
    Byte and Sequential Write
    S
    W
    OP
    SR
    R
    OP
    DOUT
    ....
    P
    Byte and Sequential Read
    S
    W
    OP
    ADDR
    DIN
    P
    S
    W
    OP
    SR
    R
    OP
    DOUT
    P
    Byte
    Sequential
    Byte
    Sequential
    ADDR
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