• 參數(shù)資料
    型號： SST89E54RD2-33-C-TQI
    廠商： Silicon Storage Technology, Inc.
    英文描述： FlashFlex51 MCU
    中文描述： FlashFlex51單片機(jī)
    文件頁數(shù)： 33/91頁
    文件大?。?/td> 984K
    代理商： SST89E54RD2-33-C-TQI
    Preliminary Specifications
    FlashFlex51 MCU
    SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
    SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
    33
    2004 Silicon Storage Technology, Inc.
    S71255-00-000
    3/04
    Symbol
    TF2
    Function
    Timer 2 overflow flag set by a Timer 2 overflow and must be cleared by software. TF2
    will not be set when either RCLK or TCLK = 1.
    Timer 2 external flag set when either a capture or reload is caused by a negative
    transition on T2EX and EXEN2 = 1. When Timer 2 interrupt is enabled, EXF2 = 1 will
    cause the CPU to vector to the Timer 2 interrupt routine. EXF2 must be cleared by
    software. EXF2 does not cause an interrupt in up/down counter mode (DCEN = 1).
    Receive clock flag. When set, causes the serial port to use Timer 2 overflow pulses for
    its receive clock in modes 1 and 3. RCLK = 0 causes Timer 1 overflow to be used for
    the receive clock.
    Transmit clock flag. When set, causes the serial port to use Timer 2 overflow pulses for
    its transmit clock in modes 1 and 3. TCLK = 0 causes Timer 1 overflow to be used for
    the transmit clock.
    Timer 2 external enable flag. When set, allows a capture or reload to occur as a result
    of a negative transition on T2EX if Timer 2 is not being used to clock the serial port.
    EXEN2 = 0 causes Timer 2 to ignore events at T2EX.
    Start/stop control for Timer 2. A logic 1 starts the timer.
    Timer or counter select (Timer 2)
    0: Internal timer (OSC/6 in 6 clock mode, OSC/12 in 12 clock mode)
    1: External event counter (falling edge triggered)
    Capture/Reload flag. When set, captures will occur on negative transitions at T2EX if
    EXEN2 = 1. When cleared, auto-reloads will occur either with Timer 2 overflows or
    negative transitions at T2EX when EXEN2 = 1. When either RCLK = 1 or TCLK = 1,
    this bit is ignored and the timer is forced to auto-reload on Timer 2 overflow.
    EXF2
    RCLK
    TCLK
    EXEN2
    TR2
    C/T2#
    CP/RL2#
    Symbol
    -
    Function
    Not implemented, reserved for future use.
    Note:
    User should not write ‘1’s to reserved bits. The value read from a reserved bit is indeterminate.
    Timer 2 Output Enable bit.
    Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down
    counter.
    T2OE
    DCEN
    Timer/Counter 2 Control Register (T2CON)
    Location
    C8H
    7
    6
    5
    4
    3
    2
    1
    0
    Reset Value
    00H
    TF2
    EXF2
    RCLK
    TCLK
    EXEN2
    TR2
    C/T2#
    CP/RL2#
    Timer/Counter 2 Mode Control (T2MOD)
    Location
    C9H
    7
    -
    6
    -
    5
    -
    4
    -
    3
    -
    2
    -
    1
    0
    Reset Value
    xxxxxx00b
    T2OE
    DCEN
    相關(guān)PDF資料
    PDF描述
    SST89E54RD2-33-C-TQJ FlashFlex51 MCU
    SST89E54RD2-33-I-PI FlashFlex51 MCU
    SST89E54RD2-33-I-PJ FlashFlex51 MCU
    SST89E54RD2-33-I-TQI FlashFlex51 MCU
    SST89E54RD2-33-I-TQJ FlashFlex51 MCU
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    SST89E54RD2-33-C-TQIE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
    SST89E54RD2-33-C-TQIF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
    SST89E54RD2-33-C-TQJ 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
    SST89E54RD2-33-C-TQJE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
    SST89E54RD2-33-C-TQJF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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