参数资料
型号: TMX20F2810PBKAEP
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: Digital Signal Processors
中文描述: 数字信号处理器
文件页数: 55/159页
文件大小: 2084K
代理商: TMX20F2810PBKAEP
Peripherals
55
March 2004 Revised October 2004
SGUS051A
In the F281x and C281x devices, the timer interrupt signals (TINT0, TINT1, TINT2) are connected as shown
in Figure 42.
INT1
to
INT12
INT14
C28x
TINT2
TINT0
PIE
CPU-TIMER 0
CPU-TIMER 2
(Reserved for TI
system functions)
INT13
TINT1
CPU-TIMER 1
(Reserved for TI
system functions)
XINT13
NOTES: A. The timer registers are connected to the Memory Bus of the C28x processor.
B. The timing of the timers is synchronized to SYSCLKOUT of the processor clock.
Figure 42. CPU-Timer Interrupts Signals and Output Signal (See Notes A and B)
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 41 are used to configure the timers. For more information, see the
TMS320F28x System Control
and Interrupts Reference Guide
(literature number SPRU078).
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