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    參數(shù)資料
    型號(hào): UPD17226
    廠商: NEC Corp.
    元件分類: 4位微控制器
    英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
    中文描述: 4位單片機(jī)的小型通用紅外遙控器
    文件頁數(shù): 9/84頁
    文件大?。?/td> 393K
    代理商: UPD17226
    μ
    PD17225, 17226, 17227, 17228
    9
    Data Sheet U12643EJ2V0DS00
    1.2
    Input/Output Circuits
    The equivalent input/output circuit for each
    μ
    PD17225 pin is shown below.
    (1) P0A, P0B
    V
    DD
    Input buffer
    (2) P0C, P0D
    Output
    latch
    data
    N-ch
    (3) P0E
    V
    DD
    data
    data
    P-ch
    P-ch
    N-ch
    V
    DD
    Input buffer
    output
    disable
    Pull-up
    register
    Output
    latch
    Selector
    (4) RESET
    V
    DD
    Input buffer
    (Mask option)
    Schmitt trigger input with hysteresis
    characteristics
    (5) INT
    Input buffer
    Schmitt trigger input with hysteresis
    characteristics
    (6) REM
    data
    P-ch
    N-ch
    V
    DD
    output
    disable
    (7) WDOUT
    data
    N-ch
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