topic LPC4330 Xplorer Boot from USB0 not working in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC4330-Xplorer-Boot-from-USB0-not-working/m-p/588966#M21873 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by joohyun.seo on Tue Aug 26 13:45:32 MST 2014</STRONG><BR /><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>I have a LPC4330 Xplorer evaluation board, and I am trying to boot from USB0 following the instruction :</SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Fproject%2Fdfu-download-programming-utility-and-security-lpcdfusec-tool" rel="nofollow" target="_blank">http://www.lpcware.com/content/project/dfu-download-programming-utility-and-security-lpcdfusec-tool</A></SPAN><BR /><BR /><SPAN>The problem is that when I plugged the USB cable into USB0 port, I cannot see any change in the device manager in my Win7 64-bit machine. Of course, in DFU programmer, the status is displayed as 'NO CONN'.</SPAN><BR /><BR /><SPAN>I have utilized the evaluation board using various examples in LPCOpen_2.12, and now I configured the boot source switch such that (P2_9, P2_8, P1_2, P1_1) to be (Low, High, Low, High) as directed for USB0 boot mode. </SPAN><BR /><BR /><SPAN>Currently, if I connect both USB0, USB1 ports, then the connection through USB1 port is acknowledged as communication port, because I install that VCOM driver for initial peripheral test, but USB0 is not acknowledged by my machine at all. However, when I perform the peripheral test by pressing a switch on the board, then USB0 port is acknowledged because in the middle of the peripheral test, there is a USB0 enumeration as a HID device. Thus, I guess USB0 can still make a connection to the PC.</SPAN><BR /><BR /><SPAN>However, I initially thought that USB0 should be at least acknowledged by the PC once it is connected, but since it doesn't appear in the device manager, I can't even install the WINUSB driver.</SPAN><BR /><BR /><SPAN>Could anyone help me or guide me to solve this issue?</SPAN><BR /><BR /><SPAN>Many thanks in advance.</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 19:18:12 GMT lpcware 2016-06-15T19:18:12Z LPC4330 Xplorer Boot from USB0 not working https://community.nxp.com/t5/LPC-Microcontrollers/LPC4330-Xplorer-Boot-from-USB0-not-working/m-p/588966#M21873 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by joohyun.seo on Tue Aug 26 13:45:32 MST 2014</STRONG><BR /><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>I have a LPC4330 Xplorer evaluation board, and I am trying to boot from USB0 following the instruction :</SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Fproject%2Fdfu-download-programming-utility-and-security-lpcdfusec-tool" rel="nofollow" target="_blank">http://www.lpcware.com/content/project/dfu-download-programming-utility-and-security-lpcdfusec-tool</A></SPAN><BR /><BR /><SPAN>The problem is that when I plugged the USB cable into USB0 port, I cannot see any change in the device manager in my Win7 64-bit machine. Of course, in DFU programmer, the status is displayed as 'NO CONN'.</SPAN><BR /><BR /><SPAN>I have utilized the evaluation board using various examples in LPCOpen_2.12, and now I configured the boot source switch such that (P2_9, P2_8, P1_2, P1_1) to be (Low, High, Low, High) as directed for USB0 boot mode. </SPAN><BR /><BR /><SPAN>Currently, if I connect both USB0, USB1 ports, then the connection through USB1 port is acknowledged as communication port, because I install that VCOM driver for initial peripheral test, but USB0 is not acknowledged by my machine at all. However, when I perform the peripheral test by pressing a switch on the board, then USB0 port is acknowledged because in the middle of the peripheral test, there is a USB0 enumeration as a HID device. Thus, I guess USB0 can still make a connection to the PC.</SPAN><BR /><BR /><SPAN>However, I initially thought that USB0 should be at least acknowledged by the PC once it is connected, but since it doesn't appear in the device manager, I can't even install the WINUSB driver.</SPAN><BR /><BR /><SPAN>Could anyone help me or guide me to solve this issue?</SPAN><BR /><BR /><SPAN>Many thanks in advance.</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 19:18:12 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC4330-Xplorer-Boot-from-USB0-not-working/m-p/588966#M21873 lpcware 2016-06-15T19:18:12Z Re: LPC4330 Xplorer Boot from USB0 not working https://community.nxp.com/t5/LPC-Microcontrollers/LPC4330-Xplorer-Boot-from-USB0-not-working/m-p/588967#M21874 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by joohyun.seo on Tue Aug 26 14:05:24 MST 2014</STRONG><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Fforum%2Fprogramming-mcb4300-usb0" rel="nofollow" target="_blank">http://www.lpcware.com/content/forum/programming-mcb4300-usb0</A></SPAN><BR /><SPAN>This helps me solve the problem. Now, I can see that in DFU programmer it displays High Speed USB.</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:18:13 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC4330-Xplorer-Boot-from-USB0-not-working/m-p/588967#M21874 lpcware 2016-06-15T19:18:13Z