參數資料
型號: TMX320F28044ZGMS
廠商: Texas Instruments, Inc.
元件分類: 數字信號處理
英文描述: Digital Signal Processor
中文描述: 數字信號處理器
文件頁數: 41/107頁
文件大?。?/td> 784K
代理商: TMX320F28044ZGMS
www.ti.com
4
Peripherals
4.1
32-Bit CPU-Timers 0/1/2
Borrow
Reset
Timer Reload
SYSCLKOUT
TCR.4
(Timer Start Status)
TINT
16-Bit Timer Divide-Down
TDDRH:TDDR
32-Bit Timer Period
PRDH:PRD
32-Bit Counter
TIMH:TIM
16-Bit Prescale Counter
PSCH:PSC
Borrow
TMS320F28044
Digital Signal Processor
SPRS357B–AUGUST 2006–REVISED MAY 2007
The integrated peripherals of the F28044 device are described in the following subsections:
Three 32-bit CPU-Timers
Up to 16 enhanced PWM modules (ePWM1-16)
Enhanced analog-to-digital converter (ADC) module
Serial communications interface module (SCI-A)
Serial peripheral interface (SPI) module (SPI-A)
Inter-integrated circuit module (I
2
C)
Digital I/O and shared pin functions
There are three 32-bit CPU-timers on the F28044 device (CPU-TIMER0/1/2).
CPU-Timer 1 is reserved for TI system functions and Timer 2 is reserved for DSP/BIOS. CPU-Timer 0
can be used in user applications. These timers are different from the timers that are present in the ePWM
modules.
NOTE
NOTE: If the application is not using DSP/BIOS, then CPU-Timer 2 can be used in the
application.
Figure 4-1. CPU-Timers
In the F28044 device, the timer interrupt signals (TINT0, TINT1, TINT2) are connected as shown in
Figure 4-2
.
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Peripherals
41
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