cc2540/1 : max UART/SPI speed? (8mhz possible?)

James Kewageshig

Prodigy 20 points

Other Parts Discussed in Thread: CC2541

Hello,

I'm currently looking into using a cc2541 to replace an Atmega328p, that is generating NTSC video via it's UART @ 8mhz.

What is the max speed I can run the cc254X UART at, using a 32mhz crystal, in either UART or SPI mode?

thanks!

over 9 years ago

0 JXS over 9 years ago

TI__Guru** 105180 points

Hello,

Please see the "Baud-Rate Generation" section of the CC254x User Guide (SWRU191).

Best wishes

0 James Kewageshig over 9 years ago in reply to JXS

Prodigy 20 points

Hi JXS,

Thanks for the help, just to confirm, it looks like the UART max speed is f/16, which @ 32Mhz = 2Mhz, and the datasheet says the max speed for SPI master TX-only is 8mhz, correct?

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cc2540/1 : max UART/SPI speed? (8mhz possible?)