參數(shù)資料
    型號(hào): UPD784907
    廠商: NEC Corp.
    英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLER
    中文描述: 16位單片機(jī)
    文件頁(yè)數(shù): 38/98頁(yè)
    文件大?。?/td> 657K
    代理商: UPD784907
    μ
    PD784907, 784908
    38
    Data Sheet U11680EJ2V0DS00
    8.3 Real-Time Output Port
    The real-time output port outputs data stored in the buffer, synchronized with a timer/counter 1 match interrupt or
    external interrupt. Thus, pulse output that is free of jitter can be obtained.
    Therefore, the real-time output port is best suited to applications (such as open-loop control over stepping motors)
    where an arbitrary pattern is output at arbitrary intervals.
    As shown in Figure 8-5, the real-time output port is built around port 0 and the port 0 buffer register (P0H, P0L).
    Figure 8-5. Block Diagram of Real-Time Output Port
    4
    4
    4
    P0L
    P0H
    Port 0 buffer register
    8
    4
    8
    P00
    P07
    Output latch (P0)
    Real-time output port
    control register
    (RTPC)
    Output trigger
    control circuit
    INTP0 (externally)
    INTC10 (from timer/counter 1)
    INTC11 (from timer/counter 1)
    Internal bus
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