topic USB power to FRDM-KW40Z in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-power-to-FRDM-KW40Z/m-p/676125#M41592 <HTML><HEAD></HEAD><BODY><P>Hello</P><P></P><P>I am working on FRDM-KW40Z development board. When I was plug the USB cable it was ask me to download bootloader. When I download OpenSDAv-2.1.bin by copy and paste. Then after I was just unplug and then plug the usb cable. None of the LEDs are glow.</P><P></P><P>And when I am inserting battery into device it is working (flashing all red leds). Can anyone help me what happens with development board?</P><P></P><P>Do I need any jumper setting to gives USB power?</P><P></P><P>Any help will be appreciated.</P><P></P><P>Regards,</P><P>Rajneesh</P></BODY></HTML> Tue, 06 Jun 2017 13:18:25 GMT rajneeshsinha 2017-06-06T13:18:25Z USB power to FRDM-KW40Z https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-power-to-FRDM-KW40Z/m-p/676125#M41592 <HTML><HEAD></HEAD><BODY><P>Hello</P><P></P><P>I am working on FRDM-KW40Z development board. When I was plug the USB cable it was ask me to download bootloader. When I download OpenSDAv-2.1.bin by copy and paste. Then after I was just unplug and then plug the usb cable. None of the LEDs are glow.</P><P></P><P>And when I am inserting battery into device it is working (flashing all red leds). Can anyone help me what happens with development board?</P><P></P><P>Do I need any jumper setting to gives USB power?</P><P></P><P>Any help will be appreciated.</P><P></P><P>Regards,</P><P>Rajneesh</P></BODY></HTML> Tue, 06 Jun 2017 13:18:25 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-power-to-FRDM-KW40Z/m-p/676125#M41592 rajneeshsinha 2017-06-06T13:18:25Z Re: USB power to FRDM-KW40Z https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-power-to-FRDM-KW40Z/m-p/676126#M41593 <HTML><HEAD></HEAD><BODY><P>Hello,&nbsp;</P><P></P><P>I've been repliying you in the internal case, I'll be waiting for your repsonse.&nbsp;</P><P></P><P>Best Regards,&nbsp;</P><P>Estephania&nbsp;</P></BODY></HTML> Fri, 16 Jun 2017 17:27:26 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-power-to-FRDM-KW40Z/m-p/676126#M41593 stephanie_m 2017-06-16T17:27:26Z