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    參數(shù)資料
    型號: HD404848
    廠商: Hitachi,Ltd.
    英文描述: 4-Bit Single-Chip Microcomputer
    中文描述: 4位單片機(jī)
    文件頁數(shù): 90/125頁
    文件大小: 471K
    代理商: HD404848
    HD404849 Series
    90
    Bit
    Initial value
    Read/Write
    Bit name
    3
    Undefined
    R/W
    SR7
    2
    Undefined
    R/W
    SR6
    0
    Undefined
    R/W
    SR4
    1
    Undefined
    R/W
    SR5
    Serial data register (upper digit) (SRU: $007)
    Figure 73 Serial Data Register (SRU)
    LSB
    MSB
    1
    2
    3
    4
    5
    6
    7
    8
    Transmit clock
    Serial output
    data
    Serial input data
    latch timing
    Figure 74 Serial Interface Input/Output Timing
    Port Mode Register A (PMRA: $004):
    This register has the following functions (figure 75).
    R2
    2
    /SI pin function selection
    R2
    3
    /SO pin function selection
    Port mode register A (PMRA: $004) is a 2-bit write-only register, and is reset to $0 by MCU reset.
    Bit
    Initial value
    Read/Write
    Bit name
    3
    Not used
    2
    Not used
    0
    0
    W
    PMRA0
    1
    0
    W
    PMRA1
    PMRA0
    0
    1
    R2
    3
    /SO mode selection
    R2
    3
    SO
    Port mode register A (PMRA: $004)
    PMRA1
    0
    1
    R2
    2
    /SI mode selection
    R2
    2
    SI
    Figure 75 Port Mode Register A (PMRA)
    相關(guān)PDF資料
    PDF描述
    HD404848FS 4-Bit Single-Chip Microcomputer
    HD404848H RELAY SOCKET
    HD404848TF PLASTIC-GRIP
    HD404849 TERMINAL
    HD404849FS TERMINAL
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    HD404848FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
    HD404848H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
    HD404848TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
    HD404849 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
    HD404849FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer