參數資料
      型號: TMX320C6413ZTSA500
      廠商: Texas Instruments, Inc.
      元件分類: 數字信號處理
      英文描述: Fixed-Point Digital Signal Processors
      中文描述: 定點數字信號處理器
      文件頁數: 133/140頁
      文件大?。?/td> 1958K
      代理商: TMX320C6413ZTSA500
      General-Purpose Input/Output (GPIO) Port Timing
      133
      April 2004
      Revised May 2005
      SPRS247E
      7.14
      General-Purpose Input/Output (GPIO) Port Timing
      Table 7
      39. Timing Requirements for GPIO Inputs
      (see Figure 7
      43)
      NO.
      400
      500
      UNIT
      MIN
      8P
      8P
      MAX
      1
      2
      t
      w(GPIH)
      t
      w(GPIL)
      Pulse duration, GPIx high
      Pulse duration, GPIx low
      ns
      ns
      P = 1/CPU clock frequency in ns. For example, when running parts at 500 MHz, use P = 2 ns.
      The pulse width given is sufficient to generate a CPU interrupt or an EDMA event. However, if a user wants to have the DSP recognize the GPIx
      changes through software polling of the GPIO register, the GPIx duration must be extended to at least 12P to allow the DSP enough time to access
      the GPIO register through the CFGBUS.
      Table 7
      40. Switching Characteristics Over Recommended Operating Conditions for GPIO Outputs
      (see Figure 7
      43)
      NO.
      PARAMETER
      400
      500
      UNIT
      MIN
      MAX
      3
      4
      t
      w(GPOH)
      t
      w(GPOL)
      Pulse duration, GPOx high
      Pulse duration, GPOx low
      24P
      8
      §
      24P
      8
      §
      ns
      ns
      P = 1/CPU clock frequency in ns. For example, when running parts at 500 MHz, use P = 2 ns.
      §
      This parameter value should not be used as a maximum performance specification. Actual performance of back-to-back accesses of the GPIO
      is dependent upon internal bus activity.
      GPIx
      GPOx
      4
      3
      2
      1
      Figure 7
      43. GPIO Port Timing
      相關PDF資料
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      TMX320C6413ZTS400 Fixed-Point Digital Signal Processors
      TMP320C6413ZTS400 Fixed-Point Digital Signal Processors
      TMX320C6413ZTS500 Fixed-Point Digital Signal Processors
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