Regarding GPIO toggling in tms320f2809

SIVA RAMAKRISHNA

Other Parts Discussed in Thread: TMS320F2809

We are using tms320f2809 controller. we are running at 100mhz , as per datasheet electrical specificaton of GPIO toggling is 25mhz but we are not able to get even 1mhz on gpio pin.

Please provide the solution

Thanks

K.Shivaramakrishna

over 12 years ago

0 Brett Larimore over 12 years ago

TI__Guru 57255 points

Hello,

Could you take a look at the following wiki page to see if it answers your question:
http://processors.wiki.ti.com/index.php/General_Purpose_IO_%28GPIO%29_FAQ_for_C2000#Q:_Toggling_of_the_GPIO_seems_slower_than_it_should_be

Thank you,
Brett

0 SIVA RAMAKRISHNA over 12 years ago in reply to Brett Larimore

Prodigy 20 points

Hello,

We tried the code given in the wiki but we are unable get GPIO toggle frequency ,we are running system at 100mhz but we are getting 1mhz on gpio pin

Please provide the solution

Thank you

K.shivaramakrishna

C2000™︎ microcontrollers

C2000 microcontrollers forum

Regarding GPIO toggling in tms320f2809