topic How to change SPI speed in code? in Processor Expert Software https://community.nxp.com/t5/Processor-Expert-Software/How-to-change-SPI-speed-in-code/m-p/764514#M4138 <HTML><HEAD></HEAD><BODY><P style="color: #51626f; background-color: #ffffff; border: 0px;">Hello NXP,</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">I am using Kinetis Design Studio with a K60 chip.&nbsp; I have a touch screen that needs to be initialized via SPI at 10 MHz or less.&nbsp; The touch screen can communicate at 30 MHz after initialization. I have a bus clock speed of 60 MHz and need to change my SPI prescaler divider from 6 to 2 (10 MHz to 30 MHz) after I run my initialization code.&nbsp; I used processor expert (SyncroMaster) to configure my SPI port.&nbsp; Please advise how I should change my SPI bus speed after the touch screen has been initialized.&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Thank you.&nbsp;</P></BODY></HTML> Thu, 09 Nov 2017 21:41:13 GMT barrypurtymun 2017-11-09T21:41:13Z How to change SPI speed in code? https://community.nxp.com/t5/Processor-Expert-Software/How-to-change-SPI-speed-in-code/m-p/764514#M4138 <HTML><HEAD></HEAD><BODY><P style="color: #51626f; background-color: #ffffff; border: 0px;">Hello NXP,</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">I am using Kinetis Design Studio with a K60 chip.&nbsp; I have a touch screen that needs to be initialized via SPI at 10 MHz or less.&nbsp; The touch screen can communicate at 30 MHz after initialization. I have a bus clock speed of 60 MHz and need to change my SPI prescaler divider from 6 to 2 (10 MHz to 30 MHz) after I run my initialization code.&nbsp; I used processor expert (SyncroMaster) to configure my SPI port.&nbsp; Please advise how I should change my SPI bus speed after the touch screen has been initialized.&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Thank you.&nbsp;</P></BODY></HTML> Thu, 09 Nov 2017 21:41:13 GMT https://community.nxp.com/t5/Processor-Expert-Software/How-to-change-SPI-speed-in-code/m-p/764514#M4138 barrypurtymun 2017-11-09T21:41:13Z