topic LPC546xx: how do you configure USB1 device ctrl to only enumerate as FS device? in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC546xx-how-do-you-configure-USB1-device-ctrl-to-only-enumerate/m-p/817810#M32745 <HTML><HEAD></HEAD><BODY><P>UM10912 / Table 935 / DEVCMDSTAT shows that USB1 device controller can enumerate at either FS or HS.</P><P></P><P><SPAN>DEVCMDSTAT&nbsp;::[23:22] Speed (01b FS, 10b HS)</SPAN></P><P></P><P><SPAN>However this field is read only. How can I force USB1 to only enumerate at FS ? . i.e. decline high speed handshaking to expose itself as&nbsp; FS capable device only to the host.</SPAN></P></BODY></HTML> Fri, 03 Aug 2018 17:31:43 GMT belmontbob59 2018-08-03T17:31:43Z LPC546xx: how do you configure USB1 device ctrl to only enumerate as FS device? https://community.nxp.com/t5/LPC-Microcontrollers/LPC546xx-how-do-you-configure-USB1-device-ctrl-to-only-enumerate/m-p/817810#M32745 <HTML><HEAD></HEAD><BODY><P>UM10912 / Table 935 / DEVCMDSTAT shows that USB1 device controller can enumerate at either FS or HS.</P><P></P><P><SPAN>DEVCMDSTAT&nbsp;::[23:22] Speed (01b FS, 10b HS)</SPAN></P><P></P><P><SPAN>However this field is read only. How can I force USB1 to only enumerate at FS ? . i.e. decline high speed handshaking to expose itself as&nbsp; FS capable device only to the host.</SPAN></P></BODY></HTML> Fri, 03 Aug 2018 17:31:43 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC546xx-how-do-you-configure-USB1-device-ctrl-to-only-enumerate/m-p/817810#M32745 belmontbob59 2018-08-03T17:31:43Z Re: LPC546xx: how do you configure USB1 device ctrl to only enumerate as FS device? https://community.nxp.com/t5/LPC-Microcontrollers/LPC546xx-how-do-you-configure-USB1-device-ctrl-to-only-enumerate/m-p/817811#M32746 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please check the updates in the thread <A href="https://community.nxp.com/thread/481553">OM13092/Keyboard2mouse : how can I force USB1 device ctrl to be FS ?</A>&nbsp;</P><P><BR />Have a great day,<BR />Sol</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 09 Aug 2018 14:10:15 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC546xx-how-do-you-configure-USB1-device-ctrl-to-only-enumerate/m-p/817811#M32746 soledad 2018-08-09T14:10:15Z