topic Re: KL03 I2C Maximum Speed in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/KL03-I2C-Maximum-Speed/m-p/383809#M20503 <HTML><HEAD></HEAD><BODY><P>The reference module states the module can work up to at least "400 Kbits/s with maximum bus loading and timing. The I2C device is capable of operating at higher baud rates, up to a maximum of clock/20, with reduced bus loading". Taking into consideration bus clock is 24MHz: 24MHz/20= 1.2MHz.</P></BODY></HTML> Mon, 26 Jan 2015 16:59:14 GMT apanecatl 2015-01-26T16:59:14Z KL03 I2C Maximum Speed https://community.nxp.com/t5/Kinetis-Microcontrollers/KL03-I2C-Maximum-Speed/m-p/383808#M20502 <HTML><HEAD></HEAD><BODY><P>Greetings,</P><P></P><P>I'd like to ask a question of clarification on a spec.</P><P></P><P>In the Rev 4 Data Sheet for the KL03 (Document Number: KL03P24M48SF0), page 1 states:</P><P></P><P data-angle="0" data-canvas-width="87.55499999999999" data-font-name="g_font_2" style="font-size: 15px; font-family: sans-serif;">"One I2C module supporting up to 1 Mbit/s, with double buffer"</P><P data-angle="0" data-canvas-width="87.55499999999999" data-font-name="g_font_2" style="font-size: 15px; font-family: sans-serif;"></P><P data-angle="0" data-canvas-width="87.55499999999999" data-font-name="g_font_2" style="font-size: 15px; font-family: sans-serif;">However, on page 45 it states the maximum speed for SCL is 400kHz in Fast Mode under certain loading and drive strength conditions as indicated in notes 1 and 2.</P><P data-angle="0" data-canvas-width="87.55499999999999" data-font-name="g_font_2" style="font-size: 15px; font-family: sans-serif;"></P><P data-angle="0" data-canvas-width="87.55499999999999" data-font-name="g_font_2" style="font-size: 15px; font-family: sans-serif;">Is it possible to achieve 1Mb/s speeds on the I2C, and if so, what are the conditions?</P></BODY></HTML> Fri, 10 Oct 2014 12:58:38 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KL03-I2C-Maximum-Speed/m-p/383808#M20502 dvona 2014-10-10T12:58:38Z Re: KL03 I2C Maximum Speed https://community.nxp.com/t5/Kinetis-Microcontrollers/KL03-I2C-Maximum-Speed/m-p/383809#M20503 <HTML><HEAD></HEAD><BODY><P>The reference module states the module can work up to at least "400 Kbits/s with maximum bus loading and timing. The I2C device is capable of operating at higher baud rates, up to a maximum of clock/20, with reduced bus loading". Taking into consideration bus clock is 24MHz: 24MHz/20= 1.2MHz.</P></BODY></HTML> Mon, 26 Jan 2015 16:59:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KL03-I2C-Maximum-Speed/m-p/383809#M20503 apanecatl 2015-01-26T16:59:14Z