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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
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TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
www.ti.com
SPRS174T –APRIL 2001–REVISED MAY 2012
4 Peripherals
The integrated peripherals of the F281x and C281x are described in the following subsections:
• Three 32-bit CPU-Timers
• Two event-manager modules (EVA, EVB)
• Enhanced analog-to-digital converter (ADC) module
• Enhanced controller area network (eCAN) module
• Multichannel buffered serial port (McBSP) module
• Serial communications interface modules (SCI-A, SCI-B)
• Serial peripheral interface (SPI) module
• Digital I/O and shared pin functions
4.1 32-Bit CPU-Timers 0/1/2
There are three 32-bit CPU-timers on the F281x and C281x devices (CPU-TIMER0/1/2).
Timer 2 is reserved for DSP/BIOS. CPU-Timer 0 and CPU-Timer 1 can be used in user applications.
These timers are different from the general-purpose (GP) timers that are present in the Event Manager
modules (EVA, EVB).
NOTE
If the application is not using DSP/BIOS, then CPU-Timer 2 can be used in the application.
Figure 4-1. CPU-Timers
Copyright © 2001–2012, Texas Instruments Incorporated Peripherals 55
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