參數(shù)資料
          型號(hào): TMS320E25
          廠商: Texas Instruments, Inc.
          元件分類: 數(shù)字信號(hào)處理
          英文描述: SECOND-GENERATION DIGITAL SIGNAL PROCESSORS
          中文描述: 第二代數(shù)字信號(hào)處理器
          文件頁(yè)數(shù): 47/123頁(yè)
          文件大?。?/td> 1205K
          代理商: TMS320E25
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          www.ti.com
          INT1
          to
          INT12
          INT14
          C28x
          TINT2
          TINT0
          PIE
          CPU-TIMER 0
          CPU-TIMER 2
          (Reserved for
          DSP/BIOS)
          INT13
          TINT1
          CPU-TIMER 1
          (Reserved for TI
          system functions)
          XINT13
          TMS320F2808, TMS320F2806
          TMS320F2801, UCD9501
          Digital Signal Processors
          SPRS230F–OCTOBER 2003–REVISED SEPTEMBER 2005
          A.
          B.
          C.
          The timer registers are connected to the memory bus of the C28x processor.
          The timing of the timers is synchronized to SYSCLKOUT of the processor clock.
          While TIMER1 is reserved, INT13 is not reserved and the user can use XINT13 connected to INT13.
          Figure 4-2. CPU-Timer Interrupt Signals and Output Signal
          The general operation of the timer is as follows: The 32-bit counter register "TIMH:TIM" is loaded with the
          value in the period register "PRDH:PRD". The counter register decrements at the SYSCLKOUT rate of the
          C28x. When the counter reaches 0, a timer interrupt output signal generates an interrupt pulse. The
          registers listed in
          Table 4-1
          are used to configure the timers. For more information, see the
          TMS320x280x
          System Control and Interrupts Reference Guide
          (literature number SPRU712).
          Table 4-1. CPU-Timers 0, 1, 2 Configuration and Control Registers
          NAME
          ADDRESS
          0x0C00
          0x0C01
          0x0C02
          0x0C03
          0x0C04
          0x0C05
          0x0C06
          0x0C07
          0x0C08
          0x0C09
          0x0C0A
          0x0C0B
          0x0C0C
          0x0C0D
          0x0C0E
          0x0C0F
          0x0C10
          0x0C11
          0x0C12
          0x0C13
          0x0C14
          SIZE (x16)
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          1
          DESCRIPTION
          TIMER0TIM
          TIMER0TIMH
          TIMER0PRD
          TIMER0PRDH
          TIMER0TCR
          reserved
          TIMER0TPR
          TIMER0TPRH
          TIMER1TIM
          TIMER1TIMH
          TIMER1PRD
          TIMER1PRDH
          TIMER1TCR
          reserved
          TIMER1TPR
          TIMER1TPRH
          TIMER2TIM
          TIMER2TIMH
          TIMER2PRD
          TIMER2PRDH
          TIMER2TCR
          CPU-Timer 0, Counter Register
          CPU-Timer 0, Counter Register High
          CPU-Timer 0, Period Register
          CPU-Timer 0, Period Register High
          CPU-Timer 0, Control Register
          CPU-Timer 0, Prescale Register
          CPU-Timer 0, Prescale Register High
          CPU-Timer 1, Counter Register
          CPU-Timer 1, Counter Register High
          CPU-Timer 1, Period Register
          CPU-Timer 1, Period Register High
          CPU-Timer 1, Control Register
          CPU-Timer 1, Prescale Register
          CPU-Timer 1, Prescale Register High
          CPU-Timer 2, Counter Register
          CPU-Timer 2, Counter Register High
          CPU-Timer 2, Period Register
          CPU-Timer 2, Period Register High
          CPU-Timer 2, Control Register
          Peripherals
          47
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