topic Re: How about S32K SPI bitsPerSec when work at master mode? in S32K

How about S32K SPI bitsPerSec when work at master mode?

hansonhe — Mon, 19 Jun 2017 01:39:30 GMT

Dear,

We set S32K lpspiSrcClk=56000000U, how about the SPI bitsPerSec when work at master mode?

now we could only achieve 7000000U, Thanks. We want to achieve 28000000U.

razva_tilimpea — Mon, 19 Jun 2017 15:07:19 GMT

Hi,

If you want to use the LPSPI at high clock speed is mandatory to use it in DMA mode.

I will try to come back with a working project, but I think that your clock speed it too high.

Best regards,

Razvan

PetrS — Tue, 20 Jun 2017 12:57:48 GMT

Hi,

The max SPI baud rate is 24MHz in high speed mode as per the datasheet.

BR, Petr